Directory A–Z

Water sector companies: S

760 company and organisation profiles starting with S. Search and filter the full directory →

A B C D E F G H I J K L M N O P Q RST U V W X Y Z 0–9

S & B Utilities Limited

Maintenance & Operations · Gateshead

Drainage / Wastewater / Civil Engineering · Leeds, UK (Lanes Group subsidiary — acquired Dec 2024)

S&F Siebmaschinen und Fördertechnik GmbH

Waste & Environmental Services · Grünkraut, Germany

Financial Data & Analytics · London

S. Franzen Söhne GmbH

Water Technology / Treatment · Langenfeld, Germany

S. Henry & Co Ltd

S.C. TEHNO WORLD S.R.L.

Waste Treatment / Processing · Baia, Suceava, Romania

S.C.M. Tecnologie s.r.l.

Waste Management / Collection · San Giorgio Bigarello, Italy

Water Supply / Distribution · Genova, Italy

Utility Services / Water / Civil Engineering · UK

Recycling / Resource Recovery · Daejeon, South Korea

Sludge Treatment / Biogas · Bremen, Germany

SAB Georg Schunemann GmbH

Screening Equipment / Wastewater Screening / Sludge Treatment · Germany (international)

Circular Economy / Materials · Vassiliko - Chalkida, Greece

Sabre Insurance Group

Consultancy · Guilford

Sabre Water Ltd

Waste Treatment / Processing · Heiden, Germany

Training & Education

Saer Elettropmpe

Water Industry Supplier · Italian address

SAER ELETTROPOMPE S.p.A.

Waste Management / Collection · Guastalla (RE), Italy

SAERTEX multiCom

UV CIPP Liner Materials / GRP Liner / Pipe Rehabilitation · Germany (global)

Safe Excavation Ltd

Site Services · Higham, Kent

SafeContractor Ltd

Safelab Systems Ltd

Laboratory Safety · Treforest

Safesite (Water Sector Safety)

Environmental & Compliance · Rotherham

SAFETECH COMERCIO DE EQUIPAMENTOS LTDA

Water & Wastewater Technology · Indaiatuba, Brazil

Safety Knives UK Ltd

Safety Workwear (Direct)

Environmental & Compliance · Hull

Industrial Cleaning & Liquid Waste · Redditch, Worcestershire

Safewater Systems Ltd

SafeWay Access Ltd

Safi Technologies Ltd

Water & Wastewater Technology · London

Water & Wastewater Technology · Berlin, Germany

SAG-Akademie GmbH für berufliche Weiterbildung

Digital Water / Analytics · Darmstadt, Germany

Sagacity Solutions Ltd

Pumps / Valves / Instrumentation · Steinhausen, Switzerland

Sailhero Environmental Protection Technology Co., Ltd.

Water Supply / Distribution · Hebei, Shijiazhuang, People's Republic of China

SAINT-GOBAIN CONSTRUCTION PRODUCTS

Saint-Gobain IndustrieKeramik Rödental GmbH

Sludge Treatment / Biogas · Rödental, Germany

Saint-Gobain PAM Deutschland GmbH

Flow Measurement / Monitoring · Saarbrücken, Germany

Saint-Gobain PAM UK

Pipelines & Infrastructure · Bristol

Oil & Gas Engineering · London (UK office)

Pipelines & Infrastructure · Midlands

Water & Environmental Technology · Ylöjärvi, Finland

Salamander Group Ltd

Salesforce UK Limited

Salford Systems

Digital, Data & AI · Manchester

Salford Van Hire Limited

Van Hire · Salford

Salix Finance (NbS)

Consultancy & Professional Services · Warrington

Salix River and Wetland Services

River / Ecology Contracting · Towcester

Recycling / Resource Recovery · Pelt, Belgium

Circular Economy / Materials · Gödenstorf, Germany

Salt Separation Services Ltd

Water Quality & Testing · Rochdale, Greater Manchester, UK

Sewer Systems / Stormwater · Joure, Netherlands

Waste & Environmental Services · Rovereto, Italy

Salvatore Robuschi & C. s.r.l.

Waste Management / Collection · Parma, Italy

Process Optimisation Consultancy · UK

Salzgitter Kesselservice GmbH

Sludge Treatment / Biogas · Salzgitter, Germany

Same Day Couriers Ltd

Site Services · Nationwide

Predictive Maintenance · Netherlands (UK clients)

Water Supply / Distribution · Paris, France

Samson Aktiengesellschaft

Pumps / Valves / Instrumentation · Frankfurt, Germany

Samson Pumps A/S

Water & Wastewater Technology · Viborg, Denmark

Circular Economy / Materials · Leoben, Austria

SAMSUN MAKINA SANAYI A.S.

Flow Measurement / Monitoring · ANKARA, Turkey

Samuel Lloyd Mouldings

Water Technology / Treatment · Kidderminster, Worcestershire

Samyang Corporation

Recycling / Resource Recovery · Seoul, South Korea

Sancroft International Limited

Consultancy · London

Sand Technologies

SANDHURST INSTRUMENTS LTD

Instrumentation & Monitoring · Farnborough

Sandiacre Metal Solutions (CEMA Group)

Sheet Metal / Fabrication / Enclosures / Control Panels · Nottingham, UK

SANHA GmbH & Co. KG

Waste & Environmental Technology · Essen, Ruhr, Germany

Water Technology / Treatment · Campo Real, Spain

Sanitation Solutions / Temporary Facilities / Welfare · UK

Santander UK plc (Corporate)

Santes Incinerator Cevre Teknolojileri Sanayi ve Ticaret A.S.

Waste & Environmental Technology · Ankara, Turkey

Feltham, UK · London

Sapphire Technologies Ltd

Sapphire Utility Solutions Ltd

UK (National) · Leyland

Water Industry Supplier · Sarco Stopper Ltd Brocks Way East Mains Ind

SARPI Deutschland GmbH

Water Technology / Services · Marl, Germany

Sartori Ambiente S.R.L.

Water Technology / Treatment · Arco (TN), Italy

SARTORIUS UK LTD

Instrumentation & Monitoring

SAS Utility Services Ltd

Water Supply / Distribution · San Giovanni In Persiceto, Italy

Circular Economy / Materials · Castel Maggiore, Italy

Sewer Systems / Stormwater · Cesena (FC), Italy

Satrindtech SRL

Circular Economy / Materials · Arluno, Italy

Saubermacher Dienstleistungs AG

Water Technology / Services · Feldkirchen bei Graz, Austria

Corrosion Protection / Specialty Cements / Coatings / Concrete Repair · USA (international)

Save Water Save Money

Wastewater Screening & Solids Handling · UK

SAVECO Environmental Limited

Effluent Pre-Treatment Equipment

SAVECO North America Inc

Headworks Screens / Solids Management / Wastewater · USA (German parent)

Waste & Environmental Technology · Kortrijk, Belgium

Property Consultancy · London

SAVINO BARBERA SRL

Waste Management / Collection · Brandizzo, Italy

Sludge Treatment / Biogas · Rivoli, Italy

Saxlund International Ltd

Saxon Saxon Environmental & Water Services Ltd

Wastewater Treatment · Bispingen, Germany

Sayers Road Tankers Engineering Ltd

Tanker Engineering · Oakham

SBT Engineering Services Ltd

Consultancy · Stourbridge

SCA Hygiene Products

Wastewater Treatment · Dueville, Italy

Field Equipment / Civil Engineering · Södertälje, Sweden

Scanmarket (SUPPECO)

Scanprobe Techniques Ltd

Scarab 4 Limited

Water Industry Supplier · Blyth, Northumberland

Scarab Sweepers Ltd

Water & Environmental Technology · Marden, Kent

Innovation / Strategy · London

SCHAEFER KALK GmbH & Co. KG

Sewer Systems / Stormwater · Diez, Germany

Schaub Umwelttechnik GmbH

Sewer Systems / Stormwater · Augsburg, Germany

Sludge Treatment / Biogas · Aurolzmünster, Austria

Schlüsselbauer Technology GmbH & Co.KG

Digital Water / Analytics · Gaspoltshofen, Austria

Schmidt Kommunalfahrzeuge GmbH

Field Equipment / Civil Engineering · Groß-Rohrheim, Germany

Schmutz + Hartmann AG

Waste & Environmental Technology · Ormalingen, Switzerland

Schneider APC (Critical Power)

Pipelines & Infrastructure · France / UK

Schneider Electric

SCHNEIDER ELECTRIC SYSTEMS UK LTD

SCADA / Process Control · Telford

Schneider Kunststofftechnik GmbH

Waste & Environmental Technology · Kirchheim, Germany

Schofield Contractors

Schott Luitpold Armaturenfabrik GmbH

Waste & Environmental Technology · Kamen, Germany

Schrage Rohrkettensysteme GmbH Conveying Systems

Waste & Environmental Technology · Friedeburg, Germany

Pumps / Valves / Instrumentation · Vagen, Germany

Schulte Strathaus GmbH & Co. KG

Waste & Environmental Technology · Werl, Germany

Schulz & Berger Luft- und Verfahrenstechnik GmbH

Waste & Environmental Services · Altenburg, Germany

Schumann Tanks GmbH

Wastewater Treatment · Wolmirstedt, Germany

Schwing Bioset Inc

Biosolids Handling / Sludge Pumps / Cake Pumps / Lime Stabilisation · USA/Germany (international)

Waste Management / Collection · Herne, Germany

Schöffel PRO GmbH

Water & Environmental Technology · Schwabmünchen, Germany

Schönborner Armaturen GmbH

Flow Measurement / Monitoring · Doberlug-Kirchhain, Germany

Schönhammer GmbH

Sludge Treatment / Biogas · Mengkofen, Germany

Schütz GmbH Messtechnik

Pumps / Valves / Instrumentation · Lahr (Schwarzwald), Germany

SCI Engineering Ltd

SciCorp International Corp

Wastewater Treatment · Mississauga, ON, Canada

Environmental Instruments · Stevenage

Scientific Laboratory Supplies

Instrumentation & Monitoring · Nottingham

SCM messe event marketing GmbH

Pumps / Valves / Instrumentation · Cölbe, Germany

Wastewater Treatment · Paderno Franciacorta, Italy

Consultancy · UK

Scotland Office

Government · London

Chlorine Dioxide Solutions · Kelso, Scottish Borders

SCOTSWOOD CHEMICALS LTD

Water Treatment Chemicals · Newcastle upon Tyne

Scott Safety (3M)

Environmental & Compliance · Bracknell

Scott Technical Systems

Digital, Data & AI · Edinburgh

Scottish Borders Council

Scottish Executive

Government · Edinburgh

Scottish Food And Drink Federation

Water Utility · Dunfermline

Scottish Water — AMP8 Partners

AMP8 Partners — Civil Engineering & Construction · Dunfermline

Scotwork UK Limited

Negotiation Training · Glasgow

Screenco Systems

Septic Receiving Stations / Grease Receiving / Non-Mechanical Screening · USA (Canada)

ScreenPod Design & Manufacturing Ltd

Circular Economy / Materials · Dungannon, County Tyrone

SCS Railways Ltd (HS2 Package 2)

SCT Sorain Cecchini Tecno SRL

Waste & Environmental Technology · Roma, Italy

SDS Infrastructure

se.mo Service + Montage Gesellschaft für technische Anlagen mbH

Wastewater Treatment · Gelsenkirchen, Germany

Seachange Technology

Seal Analytical

Water Industry Supplier · Fareham

Seal for Life Industries (Henkel)

Corrosion Protection / Pipeline Wraps / Infrastructure Protection · Netherlands (global — UK active)

Sealmatic India Ltd

Pumps & Valves · India (international)

Flow Meters / Water Sensors / Environmental Monitoring · USA (international)

Water & Wastewater Technology · Porto, Portugal

Digital, Data & AI · Leeds

SeaRoc Group Limited

Digital Transformation / Marine · Lymington

SeaTrepid UK Ltd

SEBA Hydrometrie GmbH & Co. KG

Pumps / Valves / Instrumentation · Kaufbeuren, Germany

SECURE TECHNOLOGY SOLUTIONS LTD

SEDA-Umwelttechnik GmbH

Field Equipment / Civil Engineering · Kössen, Austria

SEDDONS PLANT & ENGINEERS LTD

Plant Hire · Burnley

Sedgwick International UK

Environmental & Compliance · Bristol

Sedron Technologies

Environmental Services · USA

Seeka Ltd (M Group)

ShowMe Technology / Customer Reporting / Utilities Innovation · UK (M Group Services)

Supply Chain · Bottrop, Germany

SEFE ENERGY LIMITED

Gas Supply · London

Water Supply / Distribution · San Felice Sul Panaro (MO), Italy

SEIBOLD Wasser - Analysatorenfabrik GmbH

Pumps / Valves / Instrumentation · Klosterneuburg, Austria

Seivwright Brothers Ltd

Sekisui Pipe Life UK

Chemicals & Dosing · Harlow

Select Castle Limited

Sewer Systems / Stormwater · Fontanellato (Parma), Italy

Seascale, Cumbria · Mansfield

Waste & Environmental Services · Udine, Italy

Wastewater Treatment · BREAL SOUS VITRE, France

SEMPA POMPA MAKINA A.S.

Waste Management / Collection · Konya, Turkey

Semperit Technische Produkte GmbH

Digital Water / Analytics · Wimpassing, Austria

Seneca Industrial Solutions

Treatment Technology & Equipment · Lichfield

Senergie Technologies GmbH

Wastewater Treatment · Engen, Germany

Senix Corporation (BinMaster)

Ultrasonic Sensors / Level Measurement / Flow Monitoring · USA

Senkaya Celik Döküm San. Ve. Tic. A.S.

Sludge Treatment / Biogas · Izmir, Turkey

SENNEBOGEN Maschinenfabrik GmbH

Water & Environmental Technology · Straubing, Germany

Circular Economy / Materials · Hengelo, Netherlands

Sensat Digital Limited

Digital Infrastructure · London

Water & Wastewater Technology · Den Haag, Netherlands

Environmental Sensors / Water Quality / Flow Sensors · Switzerland (UK market active)

Sensoneo, j.s.a

Water Technology / Treatment · Bratislava, Slovakia

Sensor (UK) Limited

Flow Measurement / Sensors · Haywards Heath, West Sussex

Sensor Networks Inc (UK)

Liquid Analytical Sensors / pH / ORP / DO / Conductivity / Water Quality · USA (international)

Sensors For Water Interest Group

UK · Coventry, West Midlands

Sentina Training & Consultancy

Drainage Industry Safety & Technical Training · Axminster, Devon

Remote Monitoring · Hull

Waste Management / Collection · Wellingborough

SEPA (Scottish Environment Protection Agency)

Government · Stirling

SepPure Technologies

Recycling / Resource Recovery · Calgary, Canada

Sewer Systems / Stormwater · Immenhausen, Germany

Sera Dosing UK Ltd

sera ProDos UK Limited

Wastewater / Dosing · Hoddesdon, Hertfordshire

SERAM INDUSTRIES

Water & Environmental Technology · Perpignan, France

Digital, Data & AI · Bewdley

Serco Group plc

Wastewater Treatment · Noci (BA), Italy

Flow Measurement / Monitoring · Obersontheim, Germany

Survey / Engineering · Stoke-on-Trent

Serpentix Conveyor, LLC

Sewer Systems / Stormwater · Westminster, United States of America

Servelec Technologies Ltd

SCADA / RTU / Telemetry / Water Industry Automation · Sheffield, UK

Digital & Data · London

ServiceNow UK Ltd

SERVO SOLUTIONS LTD

Automation / Control · Basingstoke

SERVYECO IBERIA SL

Sewer Systems / Stormwater · Alcora, Spain

SES Business Water

Circular Economy / Materials · Schönberg, Germany

Wastewater Treatment · Karlsdorf-Neuthard, Germany

SEVERN RIVERS ECOLOGY LTD

Ecological Consultancy · Bewdley

Severn Trent Connect Ltd

Severn Trent Green Power Ltd

Food Waste Recycling / Anaerobic Digestion / Biogas / Renewable Energy · UK

Severn Trent Services

Water & Wastewater

Severn Trent Water Ltd

Water Company / Regulated Utility / AMP8 · Coventry, UK

SEW Europe (SEW-EURODRIVE)

Drive Technology & Automation · Wakefield

SEW-EURODRIVE Limited

Drive Technology (Gears, Motors & Controls)

Recycling / Resource Recovery · Brno, Czech Republic

SEWEC OZON GmbH

Sewer Systems / Stormwater · Wehr, Germany

Sewerin GmbH, Hermann

Recycling / Resource Recovery · Gütersloh, Germany

Seymour (Civil Engineering Contractors) Ltd

Seymour Civil Engineering

Civil Engineering / Water / Yorkshire · Yorkshire, UK

SEZAKO Prostejov s.r.o.

Field Equipment / Civil Engineering · Prostejov, Czech Republic

Seçil Kauçuk San. ve Tic. A.S

Digital Water / Analytics · Mersin, Turkey

SF-Soepenberg GmbH

Sewer Systems / Stormwater · Hünxe, Germany

Water & Wastewater

SFC Environmental Technologies

SFC Umwelttechnik GmbH

Wastewater Treatment · Salzburg, Austria

Water Supply / Distribution · SCALENGHE, Italy

SGC Civil Engineering

Civil Engineering & Construction · Manchester

SGM MAGNETICS S.p.A.

Circular Economy / Materials · Manerbio (BS), Italy

Water Quality & Testing · Cardiff

Shadow Utilities Ltd

Shakespeare Martineau

Consultancy · Birmingham

Shakti Irrigation Private Limited

Waste Management / Collection · Pithampur, India

Shandong Craier Environmental Technology Co., Ltd.

Wastewater Treatment · Liaocheng, Shandong, People's Republic of China

Shandong Huadong Blower Co. Ltd

Sewer Systems / Stormwater · Ji'nan City, Shandong of China, People's Republic of China

Shandong Pioneer Heavy Industry Technology Co., Ltd.

Water Supply / Distribution · Weifang, Shandong, People's Republic of China

Shandong Wendao Technology Co., Ltd.

Waste & Environmental Technology · Linyi, Shandong, People's Republic of China

Shandong Zhongli High Pressure Valve Co., Ltd.

Flow Measurement / Monitoring · Zaozhuang, Shandong, People's Republic of China

Shanghai Activated Carbon Co., Ltd.

Recycling / Resource Recovery · Shanghai, People's Republic of China

Shanghai Branch of Meijing Tiancheng Environmental Protection Technology Co., Ltd.

Sewer Systems / Stormwater · Shanghai, People's Republic of China

Shanghai Daquan New Material Technology

Pipeline Materials / Trenchless / CIPP Liners · China (International)

Shanghai Environment Group Co., Ltd.

Waste & Environmental Technology · Shanghai, People's Republic of China

Shanghai Karon Eco-Valve Manufacturing Co.,Ltd

Flow Measurement / Monitoring · SHANGHAI, People's Republic of China

Shanghai Lingxiao Environmental Protection Co., Ltd.

Recycling / Resource Recovery · Shanghai, People's Republic of China

Shanghai Pinfl Electrical and Mechanical Technology Co., Ltd.

Recycling / Resource Recovery · Shanghai, People's Republic of China

Shanghai SINAP Membrane Tech Co., Ltd

Wastewater Treatment · LUOJING, People's Republic of China

Shanghai Sperta Environmental Technology Co., Ltd.

Recycling / Resource Recovery · Shanghai, People's Republic of China

Shanghai Tianquan Legend Trading Co., Ltd.

Waste Management / Collection · Shanghai, People's Republic of China

Shanghai Zhongying Valve Fitting Co., Ltd.

Flow Measurement / Monitoring · Shanghai, People's Republic of China

Shannon Utilities Ltd

Shanxi Ascent Industrial Co., Ltd.

Flow Measurement / Monitoring · Taiyuan, Shanxi, People's Republic of China

Shanxi ATTA Carbon Technology Co., Ltd

Sludge Treatment / Biogas · Taiyuan, Shanxi, People's Republic of China

Shanxi Carbon Industry Co., Ltd.

Water Supply / Distribution · Taiyuan, Shanxi, People's Republic of China

Shanxi Huaqing Environmental Protection Co., Ltd.

Sludge Treatment / Biogas · Datong, Shanxi, People's Republic of China

Shanxi Solid Industrial Co., Ltd.

Flow Measurement / Monitoring · Taiyuan, Shanxi, People's Republic of China

Shanxi Xinguan Environmental Co., Ltd.

Sludge Treatment / Biogas · Taiyuan, Shanxi, People's Republic of China

SHARP BUSINESS SYSTEMS UK PLC

Digital & Data · Manchester

Sharpe Pritchard LLP

SHE Software (Alcumus)

Environmental & Compliance · Glasgow

Sheet Piling (UK) Ltd

Civil Engineering & Construction · Manchester

SHENZE COUNTY KAI YUAN METAL PRODUCTS Co, Ltd

Waste & Environmental Technology · HEBEI, People's Republic of China

Shenzhen Bwell Technology Co.,Ltd

Digital Water / Analytics · Shenzhen, People's Republic of China

Shenzhen Labsun Scientific Instrument Co., Ltd.

Pumps / Valves / Instrumentation · Shenzhen, Guangdong, People's Republic of China

Shenzhen QYTeco Limited

Digital Water / Analytics · Shenzhen,Guangdong, People's Republic of China

Shenzhen SROD Industrial Group Co., Ltd.

Digital Water / Analytics · Shenzhen,Guangdong, People's Republic of China

ShenZhen Wopson Electrical Co., Ltd.

Digital Water / Analytics · PingHu, People's Republic of China

Shenzhen Woshijie Electronic Technology Co. Ltd

Pipe Inspection Cameras & Robots Manufacturer · Shenzhen, China

SHEPHERD ENGINEERING (ANGLIAN) LTD

Civil Engineering · Norwich

Shepley Spring Ltd

Spring Water · Huddersfield

Sherborne Utilities Ltd

Sherburn Construction Ltd

Civil Engineering · 15 Front Street Sherburn Hill

Shetland Islands Council

Shift Traffic Events Ltd

Site Services · Wakefield

Shijiazhuang Qinye Trading Co., Ltd.

Waste Management / Collection · Shijiazhuang, Hebei, People's Republic of China

Shijiazhuang Zhengzhong Technology Co., Ltd.

Water Supply / Distribution · Shijiazhuang,Hebei, People's Republic of China

Shimadzu Europa GmbH

Pumps / Valves / Instrumentation · Duisburg, Germany

Shimadzu UK Ltd

ShinMaywa Industries, Ltd.

Waste Management / Collection · Tsurumi-ku, Yokohama-Shi, Kanagawa, Japan

Shirley Parsons

Consultancy & Professional Services · Thame

Psychometric Testing · London

Shorts Group Ltd

Consultancy · Tamworth

Showers & Eyebaths Services

Waste & Environmental Technology · Bedford, Bedfordshire

SHROPSHIRE COUNCIL

Government · Shrewsbury

SHROPSHIRE WILDLIFE TRUST

Environmental Services · Shrewsbury

Shumo Ltd T/A Plus Security

Security · Lichfield

Waste Treatment / Processing · Jelgava, Latvia

Consultancy & Professional Services · UK / International

Sia Partners UK plc

Consultancy · London

Water & Wastewater Technology · Castelletto sopra Ticino, Italy

Sichuan Bonny Heavy Machinery Co., Ltd.

Waste & Environmental Technology · Luzhou, Sichuan, People's Republic of China

Sichuan Changhe Technology Co., Ltd.

Water Supply / Distribution · Sichuan, Chengdu, People's Republic of China

Sichuan International Chamber of Commerce for the Machinery Industry

Water Supply / Distribution · Chengdu, Sichuan, People's Republic of China

Sichuan YR New Material Technology Co.,Ltd.

Water Supply / Distribution · Chengdu, Sichuan, People's Republic of China

SID Deutschland GmbH

Circular Economy / Materials · Ludwigsburg, Germany

Sidcon Milieutechniek bv

Water Technology / Treatment · Nijmegen, Netherlands

SIDE Industrie SAS

Water Supply / Distribution · Villemer, France

Circular Economy / Materials · Corato BA, Italy

SIDERURGICA DEL POLESINE SRL

Wastewater Treatment · ROVIGO, Italy

Siebert + Knipschild GmbH

Digital Water / Analytics · Oststeinbek, Germany

Field Equipment / Civil Engineering · Wadersloh, Germany

Siemans Mechanical Drives

Pumps / Valves / Instrumentation · München, Germany

Sludge Treatment / Biogas · Görlitz, Germany

Automation & Digital Industries · Bracknell

Siempelkamp Maschinen und Anlagenbau GmbH

Waste & Environmental Technology · Krefeld, Germany

Recycling / Resource Recovery · Luxembourg, Luxembourg

Sievert Larsson UK

Sigma Equipment Supply & Services

SIGMA SECURITY SYSTEMS LTD

Instrumentation & Monitoring · Torquay

Sigma-HSE (UK) Ltd

Health, Safety & Environment · Tunbridge Wells

SIGMADAF Clarifiers SL

Sewer Systems / Stormwater · Cornellà de Terri, Spain

SIGNAL TRAFFIC MANAGEMENT LTD

Site Services · Wakefield

SIGNWORLD Werk für Schildersysteme

Flow Measurement / Monitoring · Euerdorf, Germany

Online Photometers · UK (Swiss parent)

Sigrist-Photometer GmbH

Pumps / Valves / Instrumentation · Estenfeld, Germany

SIJ Ravne Systems d.o.o.

Waste & Environmental Services · Ravne na Koroskem, Slovenia

Civil Engineering & Construction · Welwyn Garden City

Silcarbon Aktivkohle GmbH

Sludge Treatment / Biogas · Kirchhundem, Germany

Silchester Control Systems Limited

Instrumentation & Monitoring · Reading

SiLi Sigmund Lindner GmbH

Recycling / Resource Recovery · Warmensteinach, Germany

SILICONI COMMERCIALE SPA

Recycling / Resource Recovery · Gambellara Vicenza, Italy

Sewer Systems / Stormwater · Cologna Veneta, Italy

Site Services · UK

SILOXA ENGINEERING AG

Sludge Treatment / Biogas · Essen, Germany

Silt Management · NP25

Siltbuster Process Solutions

Treatment Technology & Equipment · Monmouth

Digital & Data · London

Simatec Maschinenbau AG

Recycling / Resource Recovery · Horw, Switzerland

Waste & Environmental Technology · Minerbe (VR), Italy

Simon Moos Maskinfabrik A/S

Water & Wastewater Technology · Sønderborg, Denmark

Waste Treatment / Processing · Kirn, Germany

SIMONA Peak Pipe Systems

Simplify Recruitment Group (SRG)

Consultancy · London

SIMPRO EUROPE SP.Z.O.O

Water Technology / Treatment · Lomza, Poland

Simson Aggregate Solutions Ltd

Aggregates & Haulage · Martley, Worcestershire

SIMVIC INTERNATIONAL SL

Waste & Environmental Technology · Madrid, Spain

SINGLETON BIRCH LTD

Chemicals & Dosing · Barnetby

Sino Pack Care Sp. z o.o. Sp. K.

Circular Economy / Materials · Krakow, Poland

SINOTECH ENGINEERING CONSULTANTS, LTD.

Water & Wastewater Technology · Taipei, Taiwan

Sir Robert McAlpine Ltd

Siris Environmental

Ecological Consultancy · Knighton

Siris Flow Inspections ltd

Drainage Inspection · Knighton

SISTEMAS ESSELLE S.L.

Waste Treatment / Processing · Azkoitia, Spain

Sistematica S.r.l

Water & Wastewater Technology · Torino, Italy

SIt Schaudt Industrietechnik

Water & Environmental Technology · Pfinztal-Kleinsteinbach, Germany

SJ Roberts Construction ltd

Civil Engineering · Shrewsbury

SKAFS Consultants Ltd

Water / Drainage / Flood Risk Consultancy · UK

SKAKO Vibration A/S

Waste & Environmental Services · Faaborg, Denmark

Skalar Analytical B.V.

Water Quality & Testing

Skanska Civil Engineering

Civil Engineering & Construction · London

Air Sampling Instruments · Towcester

Digital, Data & AI · London

Bearings & Seals · Gothenburg

Skilled Careers

Consultancy · Bournemouth

Skillicorn Technologies

SKion Water GmbH

Wastewater Treatment · Bad Homburg v.d. Höhe, Germany

Sklarz Abwasser- und Umwelttechnik GmbH

Digital Water / Analytics · Waltershausen, Germany

Sky Scaffolding Midlands Ltd

Drone-Based Water Network Inspection / Remote Sensing · UK

Slaughter and May

Slave Free Alliance

Modern Slavery Advisory · Manchester

SLB Sonderabfall-Logistik Bayern GmbH

Water Technology / Services · Ingolstadt, Germany

Slimdril Ltd (Brownline)

HDD Products / Drilling Fluids / Trenchless Supplies · UK

Water Technology / Services · Graz, Austria

Slovenian Water Pollution Control Association

SLR Consulting Ltd

Environmental Consultancy · Bristol

Sludge Treatment · Bedford

Small Woods Association

Woodland Management · Coalbrookdale

Smart Actuation Ltd

Valve Actuation · Bradford

Smart Metering Infrastructure · Birmingham

Smart Media (UK) Limited

Digital Transformation · UK

Smart Storm Limited

Wastewater / Real-Time Control · Bradford, West Yorkshire

Smart Water Magazine

Media / Publishing / Water Sector International · Spain (International)

smart5 envitech GmbH

Wastewater Treatment · Lörrach, Germany

Water & Wastewater Technology · Gent, Belgium

Smartest Energy

Energy Trading · Ipswich

SmartValve Limited

Smart Valve Technology · Sheffield

SmartWater Group Ltd

Asset Security · Milton Keynes

Water Technology / Services · Dortmund, Germany

SMH Civils and Utilities Ltd

Smicon International B.V.

Waste & Environmental Services · Wanroij, Netherlands

Smith & Loveless

Wastewater Pumping, Headworks & Treatment · Nottingham

Smith Environmental Services Ltd

Environmental / Waste · Lichfield

SMS Sanayi Malzemeleri ÜRETIM ve SATISI A.S.

Flow Measurement / Monitoring · Ümraniye, Istanbul, Turkey

Waste & Environmental Technology · MORNAY SUR ALLIER, France

SNF (UK) Limited

Snickers Workwear

Environmental & Compliance · Huddersfield

SNIPEF (Scottish & Northern Ireland Plumbing Employers' Federation)

SNOW SERVICE srl

Water & Environmental Technology · Piumazzo di Castelfranco Emilia, Italy

Social Value Portal Ltd

Social Value Measurement · London

Societe Generale (London)

Society Of British Water & WasteWater Industries

Society Of Independent Brewers

Environmental & Compliance · Welwyn Garden City

Site Services · London

Sodimate Deutschland GmbH

Sewer Systems / Stormwater · Rodgau, Germany

IT Reseller · Marlow

Softplan Informatik GmbH

Recycling / Resource Recovery · Wettenberg, Germany

SoftwareONE UK Ltd

Digital & Data · London

Soil And Groundwater Technolgy Association

Soil Engineering Limited

Civil Engineering · Worcester

Environmental & Compliance · Gloucester

SOL ACOUSTICS LTD

Acoustics · Cheltenham

Public Sector Leadership · London

Solace Co., Ltd.

Sewer Systems / Stormwater · Kagawa, Takamatsu, Japan

Solace Corporation

Solar Materials GmbH

Waste & Environmental Services · Magdeburg, Germany

Solaris Global Ltd

Utilities · Marlow

Filtration · UK

Field Equipment / Civil Engineering · Ostrava, Czech Republic

UK · Schaffhausen, Switzerland

Solid Products P.S.A.

Field Equipment / Civil Engineering · Lipków, Poland

Solid Water Ltd.

Water Supply / Distribution · Ilmajoki, Finland

Solids Handling & Processing Association

Instrumentation & Monitoring

Sewer Systems / Stormwater · Den Burg Texel, Netherlands

Circular Economy / Materials · Velky Orechov, Czech Republic

Solmax Geosynthetics GmbH

Waste & Environmental Technology · Rechlin, Germany

Water & Environmental Technology · Rovigo, Italy

Solteam Opto, Inc.

Water & Wastewater Technology · Taoyuan City, Taiwan

Recycling / Resource Recovery · Limoges, France

Solutions Engineering Group

Civil Engineering & Construction · Blackpool

SolutionsPT Ltd

Instrumentation & Monitoring · Manchester

Sludge Treatment / Biogas · Brüssel, Belgium

SOMERSET DRAINAGE SERVICES

Pumps / Valves / Instrumentation · Koblach, Austria

Sonderabfall Service Südwest GmbH (3S)

Water Technology / Services · Waiblingen, Germany

SONNTAG Baugesellschaft mbH & Co. KG

Digital Water / Analytics · Dörth, Germany

Sopsa Eco Innovation SA

Water Technology / Treatment · Santo Tirso, Portugal

Sorema div. of Previero N. srl a socio unico

Circular Economy / Materials · Anzano Del Parco, Italy

SOTECO&STI trading S.r.o.

Waste & Environmental Technology · Prague, Czech Republic

SOTKON Group - ASFC SGPS SA

Water Technology / Treatment · Porto, Portugal

Sludge Treatment / Biogas · El Ejido, Spain

Source One Environmental Limited

Leak Detection · Huntingdon, Cambridgeshire

South Ayrshire Council

South East Water

South Gloucestershire Council

South Lanarkshire Council

South Norfolk Council

South Northamptonshire Counsil

South Pole Group UK

South Staffordshire Council

South Staffordshire Water

South West Water

South West Water Amplify Alliance

Civil Engineering & Construction · Exeter

Southbay Civil Ltd

Civil Engineering · Wallsend

Southcoast Scaffolding Ltd

Southern Electric

Water Company · Reading

Southern Flow Ltd

Water Utility · Worthing

Southern Water Engineering

Civil Engineering & Construction · Worthing

Southern Water Services Ltd

Water Utility · Worthing

SouthwestSensor Limited

Instrumentation & Monitoring · Exeter

SOVB - Société Ouest Vendée Balais

Water & Environmental Technology · Melle, France

Sovereign Power Ltd

Utilities · Cirencester

SP Energy Networks

Maintenance & Operations · Glasgow

Pumps & Valves · Chesterfield, Derbyshire

Spaans Babcock BV

Water Supply / Distribution · Balk, Netherlands

Spaans Babcock Ltd

Spacebuilder Ltd

Modular Construction · Sevenoaks

Water Supply / Distribution · Tallinn, Estonia

Spaleck GmbH & Co. KG

Waste & Environmental Services · Bocholt, Germany

Spec-Imaging AB

Pumps / Valves / Instrumentation · Lund, Sweden

Special Pipeline Services Ltd

Specialist Access Engineering And Maintenance Association

Specialist Drainage Group Ltd

Speciality Electronic Materials Switzerland GmbH

Sewer Systems / Stormwater · Luzern, Switzerland

SPECK-TRIPLEX-PUMPEN GmbH & Co.KG

Water & Wastewater Technology · Bielefeld, Germany

Specsavers Corporate Eyecare

Spectis Robotics

Spectra Logic Ltd

Spectre Instruments

Digital, Data & AI · Chelmsford

Spectromarine B.V.

Water & Wastewater Technology · Leeuwarden, Netherlands

Spectron Services Limited

Gas & Chemical Detection · Halesowen

Spectrum Water Ltd

Speedy Hire plc

Site Services · Spennymoor

Water & Environmental Technology · Belfeld, Netherlands

Spencer Stuart & Associates Ltd

Executive Search · London

Recycling / Resource Recovery · Paruzzaro, Italy

Spill Response / Environmental Services / Drainage · UK

Spillard Safety Systems Ltd

Products & Equipment · Market Drayton

Water & Wastewater Technology · Rimbach, Germany

SPIRAC Holding AB

Wastewater Treatment · Limhamn, Sweden

Screenings Handling · WS13

Spirax Sarco Ltd

Spirotech UK Ltd

SPM Instrument UK Ltd

Condition Monitoring · Bournemouth

SPM Instruments

Condition Monitoring · UK

Utilities · Nationwide

Spotlight Area Circular Textile Handling – Towards a Better Future (VDMA Services)

Waste & Environmental Technology · Frankfurt am Main, Germany

SPR DIVISIÓN INTEG, S.L

Waste & Environmental Services · Rubí, Spain

Spraying Systems Europe BV

Sludge Treatment / Biogas · Deinze, Belgium

Spring (UK Water Innovation Cluster)

Consultancy & Professional Services · Oxford

Spring Innovation Ltd

Springer Fachmedien Wiesbaden GmbH

Sludge Treatment / Biogas · Wiesbaden, Germany

Waste Management / Collection · Parma, Italy

SSE Enterprise (now SSEN Transmission / OVO Energy)

Energy · Perth (Scottish HQ)

Maintenance & Operations · Perth

SSI Schäfer Plastics GmbH

Water Technology / Treatment · Neunkirchen, Germany

Stadler Anlagenbau GmbH

Waste & Environmental Services · Altshausen, Germany

Stadtentwässerung Dresden GmbH

Recycling / Resource Recovery · Dresden, Germany

Stadtreinigung Hamburg AöR

Water Technology / Treatment · Hamburg, Germany

Stahlwerke Bochum GmbH

Waste & Environmental Technology · Bochum, Germany

Stainless Design Services

Treatment Technology & Equipment · Lichfield

Valves & Controls · UK

Stamford Scientific International Inc

Sewer Systems / Stormwater · Poughkeepsie, United States of America

Stamo International AB

Wastewater Treatment · Västeras, Sweden

Standard Life Aberdeen plc (abrdn)

Standardkessel Baumgarte GmbH

Sludge Treatment / Biogas · Mülheim an der Ruhr, Germany

Stanford Marsh Group

Office Products · Warwick

Stanmore Quality Services Ltd

Consultancy · Warrington

Stanton Bonna Concrete Ltd

Field Equipment / Civil Engineering · Sendenhorst-Albersloh, Germany

STAR Piping Systems GmbH

Waste Treatment / Processing · Wesel, Germany

STAR SIGNS (DERBY) LTD

Site Services · Derby

Stark Connect Ltd

Utilities Data · Haywards Heath

STARK SOFTWARE INTERNATIONAL LTD

Utilities Management Software · Haywards Heath

Starlinger & Co Ges.m.b.H

Circular Economy / Materials · Wien, Austria

Wastewater Treatment · Mercatale di Sassocorvaro, Italy

States of Guernsey Procurement

Government · St Peter Port

Statkraft UK Ltd

Civil Engineering & Construction · Aberdeen

Stats Utility Connections Ltd

Status Instruments Limited

Flow Measurement / Instrumentation · Stroud, Gloucestershire

Stavební hut Slatinany

Recycling / Resource Recovery · Slatinany, Czech Republic

STAYSAFE PPE LIMITED

PPE / Safety · Wakefield

Safety Consulting · Aberdeen

Pumps / Valves / Instrumentation · Brügg, Switzerland

Steelway Fensecure Limited

Steelway Protect

Instrumentation & Monitoring · Wolverhampton

Steelwrist Deutschland GmbH

Field Equipment / Civil Engineering · Norderstedt, Germany

Steinecker GmbH

Recycling / Resource Recovery · Freising, Germany

Waste & Environmental Services · Köln, Germany

Steinmüller Engineering GmbH

Sludge Treatment / Biogas · Gummersbach, Germany

Steinstosser & Schmachtenberg GmbH & Co.KG

Waste & Environmental Services · Remscheid, Germany

Steinzeug-Keramo (Wienerberger)

Stela Laxhuber GmbH

Circular Economy / Materials · Massing, Germany

Stemdrive Limited

Treatment Technology & Equipment · Gretna

Step on Safety Ltd

Anti-Slip Products · London

STEPNELL LIMITED

Civil Engineering · Rugby

Stercom Power Solutions GmbH

Sludge Treatment / Biogas · Weyarn, Germany

STERIA (now Sopra Steria)

Digital & Data · Birmingham

Sterk Plast S.R.L.

Water Technology / Treatment · Medgidia, Romania

Sterki HTP GmbH & Co. KG

Water & Environmental Technology · Sinsheim, Germany

Sterling Relocation Ltd

STEULER-KCH GmbH

Digital Water / Analytics · Siershahn, Germany

Steve Vick International

Pipeline Products · UK

Steyr Automotive GmbH

Field Equipment / Civil Engineering · Steyr, Austria

STH-Anlagenbau GmbH

Waste & Environmental Technology · Barbing, Germany

Stiavelli IRIO SRL

Waste & Environmental Technology · Campi Bisenzio - Capalle, Italy

Stillwater Associates Ltd

Water Supply / Distribution · Calderara Di Reno BO, Italy

Stock Group Ltd

Road Sweepers / Suction Excavators / Vacuum Equipment · UK

Stockholm Environment Institute

Training & Education

Stockholm International Water Institute

Stocksiefen GmbH

Pumps / Valves / Instrumentation · Asbach, Germany

Stoevelaar Recycling B.V.

Field Equipment / Civil Engineering · Stegeren, Netherlands

Stokkermill Recycling Machinery

Water Industry Supplier · Northampton

Water & Wastewater Technology · Worcester, Worcestershire

STORETEC SERVICES LTD

Digital & Data · Hull

STORK Umweltdienste GmbH

Sludge Treatment / Biogas · Magdeburg, Germany

Stormharvester Limited

Smart Drainage · Belfast

Stormwater Shepherds

STORTEC Engineering Ltd

Marine Engineering · Harwich

Water & Wastewater Engineering / Biogas Solutions / Process Engineering · UK

Story Contracting

Civil Engineering & Construction · Carlisle

Civil Engineering & Construction · London

STRABAG Umwelttechnik GmbH

Recycling / Resource Recovery · Dresden, Germany

Strata Products UK Limited

Mining / Ground Support · UK

STRATE Technologie für Abwasser GmbH

Flow Measurement / Monitoring · Sarstedt, Germany

Strategic Communications Ltd (Utility)

Strautmann Umwelttechnik GmbH

Circular Economy / Materials · Glandorf, Germany

Stream (Water Data Platform)

Digital, Data & AI · Cirencester

Streicher Kanalsysteme GmbH

Flow Measurement / Monitoring · Kressbronn, Germany

Sludge Treatment / Biogas · Wangen, Germany

STRIDE Simulation Technology Ltd

Payment Processing · London

Strirling Council

Strobl Pumpen GmbH & Co. KG

Waste Management / Collection · Hilpoltstein, Germany

STRUCTURAL FABRICATIONS LTD

Site Services · Keighley

Structural Pipe Surveys

Civil Engineering & Construction · Colchester

Structural Repairs

Structural Waterproofing Ltd

STS Environmental

Stuart Turner Ltd

Studer Cables AG

Water & Environmental Technology · Däniken, Switzerland

Stübbe GmbH & Co. KG

Recycling / Resource Recovery · Vlotho, Germany

SUBOR BORU SANAYI VE TICARET A.S.

Waste Treatment / Processing · Kadikoy, Turkey

Subscan Technology Ltd

Civil Engineering & Construction · Essex

SubSurface Instruments Inc

Acoustic Leak Detection / Correlators / Ground Microphones · USA (UK market active)

Subsurface Measurement Technology

Geophysics · Oxford

Subsurface UK Ltd

Subterra (Lead Pipe)

Pipelines & Infrastructure · London

Suckling Transport

Site Services · Huntingdon, Cambridgeshire

Suction Excavator Hire Ltd

Site Services · Hampshire / Lincolnshire / Warwickshire

Suction Excavator Solutions

Suction Excavation · Scunthorpe

Water Technology / Treatment · Iserlohn, Germany

SUEZ Advanced Solutions UK (Ice Pigging)

Pipe Cleaning / Ice Pigging / Water Mains Maintenance · Bristol, UK

SUEZ Smart Solutions

Smart Water / Digital Network Management / Analytics · France / UK

Treatment Technology & Equipment · Camberley

Suezwatertechnologies

Suffel Fördertechnik GmbH & Co. KG

Water & Environmental Technology · Aschaffenburg, Germany

Consultancy · UK

Suir Engineering

SulfiLogger A/S

Pumps / Valves / Instrumentation · Risskov, Denmark

SULO Deutschland GmbH

Water Technology / Treatment · Herford, Germany

Sulzer Pumps UK Limited

SULZER PUMPS WASTEWATER UK LTD

Pumps / Wastewater · Brighouse

SUMA Rührtechnik GmbH

Waste Management / Collection · Sulzberg, Germany

Summers-Inman LLP

Cost Consultancy · Newcastle upon Tyne

SUNBELT RENTALS LIMITED

Site Services · Basingstoke

Recycling / Resource Recovery · Siheung-Si, Gyeonggi-Do, South Korea

Sunresin New Materials Co.Ltd.

Wastewater Treatment · Xi'an, Shaanxi, People's Republic of China

Suntex Import & Export Trading Co., Ltd.

Flow Measurement / Monitoring · Shijiazhuang, Hebei, People's Republic of China

Suomen Biovoima Oy

Sludge Treatment / Biogas · Jyväskylä, Finland

Superior Filtration

Recycling / Resource Recovery · Lyme Park Ext.4, South Africa

Drain Jetting / High Pressure Water Jetting / Sewer Cleaning · UK

Water Quality & Testing · Kettering

Supratec Gesellschaft für Umwelt- und Verfahrenstechnik mbH

Water Supply / Distribution · Simmern/Hunsrück, Germany

Surefire Group Ltd

Suresite Group Ltd

Surface Enginering Association

Environmental & Compliance · London

Sustainable Development Commission

Government · London

Sustainable Drainage Systems Ltd (SDS)

Environmental Services · Leatherhead

Sustainable Energy Connections Ltd

Sustainable Generation®

Circular Economy / Materials · St. Petersburg, United States of America

Sustario FlexCo

Sludge Treatment / Biogas · Graz, Austria

Sutco RecyclingTechnik GmbH

Circular Economy / Materials · Bergisch Gladbach, Germany

Sutra International Limited

Recycling / Resource Recovery · Wedemark, Germany

Sutro Group Ltd

Suttons Tankers (Suttons Group)

Site Services · Widnes, Cheshire

Suzhou Alpine Flow Control Co., Ltd.

Flow Measurement / Monitoring · Suzhou, Jiangsu, People's Republic of China

Suzhou FRICK Trading Co., Ltd.

Flow Measurement / Monitoring · Huqiu, Suzhou, People's Republic of China

Suzhou JONO Environmental Technology Co., ltd

Waste & Environmental Technology · Suzhou City, Jiangsu Province, People's Republic of China

SW Directional Drilling Ltd

Stockton-on-Tees, UK · Stockton-on-Tees

SWAM PNEUMTICS PVT LTD

Sewer Systems / Stormwater · Noida, Uttar Pradesh, India

Swan Analytical UK Ltd

Water Quality Instruments · Sevenoaks

SWAN Analyticlal UK Ltd

Water Industry Supplier · Stamford, Lincolnshire

SWAN Analytische Instrumente AG

Pumps / Valves / Instrumentation · Hinwil, Switzerland

SWARCO UK & IRELAND LTD

Traffic Management · UK

swb Entsorgung GmbH & Co. KG

Sludge Treatment / Biogas · Bremen, Germany

Ecology & Environmental Consultancy · London (+ regional hubs)

Swedish Water Wastewater Association

Sweeptech Environmental Services

Drainage · UK (national)

Civil Engineering · Exeter

Swietelsky-Faber GmbH Kanalsanierung

Flow Measurement / Monitoring · Schlierschied, Germany

Swiftclean (Siltbuster)

Maintenance & Operations · Monmouth

Swiss Gas And Water Industry Association

Swiss Pump Company AG

Waste Management / Collection · Thun - Gwatt, Switzerland

Swiss Recycling Technologies AG

Waste & Environmental Services · Wolfwil, Switzerland

Waste & Environmental Services · Altnau, Switzerland

SWS Distribution Ltd (Synthesis)

Chemicals & Dosing · Tamworth

Waste Management / Collection · Lonigo, Italy

Sygma Solution / Guideline Geo

Flow Measurement / Monitoring · Taiyuan, Shanxi, People's Republic of China

Sykes Global Services Ltd

Synergen Utilities

Utilities · Leicester

Synergie Training Limited

Training · Telford

Synergy Fire & Security Ltd

Fire & Security · Darlington

Synergy Outsourcing Ltd

Digital & Data · Manchester

Water Technology / Services · Erftstadt, Germany

Synthotech Limited

Digital Water / Analytics · Harrogate, North Yorkshire

Environmental & Compliance · Wakefield

Network Monitoring · Sheffield

SYSADVANCE - Sistemas de Engenharia SA

Sludge Treatment / Biogas · Povoa de Varzim, Portugal

Sysmex UK Limited

Water Technology / Services · UK

SYSTEM ELECTRICAL LIMITED

Mechanical & Electrical Engineering · Tamworth

SYSTEM S&P GmbH

Water Supply / Distribution · Kirchberg an der Jagst, Germany

Transport & Engineering · London

Sywatec Logistic GmbH

Water & Environmental Technology · Dieburg, Germany

Sächsisches Textilforschungsinstitut e.V. Chemnitz (STFI)

Water Technology / Services · Chemnitz, Germany

Säntis Textiles AG

Water Technology / Services · Bühler, Switzerland

Süd-Müll GmbH & Co. KG für Abfalltransporte und Sonderabfallbeseitigung

Water Technology / Services · Heßheim, Germany

Süddeutsche Zeitung GmbH

Water & Wastewater Technology · München, Germany

Sülzle Klein GmbH

Sewer Systems / Stormwater · Niederfischbach, Germany