Water sector companies: D

D & E Mackay Ltd

Civil Engineering · Craigearn Business Park Kintore

D & I Rutherford Ltd

Civil Engineering · Proncy Farm Dornoch Sutherland

D Morgan

Civil Engineering · Ellesmere Port

D P Burridge Developments Ltd

D'Arcy Thompson Ltd

D-Drill (Master Drillers) Ltd

D.C. Industrie Elektronik GmbH

Waste Management / Collection · Lübeck, Germany

D.R Pumps Ltd

Water Industry Supplier · Louth

D5 ARCHITECTS LLP

Consultancy · Nottingham

DAB Cicil Engineering

DAB Pumps

Domestic & Industrial Pumps · Nottingham

DAC Beachcroft LLP

Consultancy & Professional Services · Bristol

DaCI Utilities Engineering Consultancy Ltd

Daeyoon Scale Industrial Co. Ltd.

Recycling / Resource Recovery · Seoul, South Korea

DAF Trucks Deutschland GmbH

Water & Environmental Technology · Frechen, Germany

Daimler Truck AG

Field Equipment / Civil Engineering · Berlin, Germany

Dairy Uk

DAKO GmbH

Water Technology / Services · Jena, Germany

Dalcour Maclaren

Consultancy & Professional Services · Bicester, Oxfordshire

DaLian Reliable Industrial Co.,Ltd

Waste Treatment / Processing · Dalian, Liaoning, People's Republic of China

Dallai Ernesto S.r.l.

Waste Management / Collection · Reggiolo, Italy

DALMINEX GmbH

Flow Measurement / Monitoring · Schloß Holte-Stukenbrock, Germany

DALROD Ltd

Dams and Reservoirs Ltd

Dam & Reservoir Engineering · Matlock

Danaher & Walsh

Dando Drilling International

Site Services · Littlehampton, West Sussex

Danfoss

Drives, Controls & Energy Efficiency · Bedford

Danieli & C. Officine Meccaniche S.p.A.

Waste & Environmental Technology · Buttrio (UD), Italy

Danish Energy Export

Sludge Treatment / Biogas · Silkeborg, Denmark

Danish Export Association

Sewer Systems / Stormwater · Silkeborg, Denmark

Danish Water And Wast Water Association

Danitech A/S

Circular Economy / Materials · Haderslev, Denmark

DanPumps A/S

Waste Management / Collection · Haderslev, Denmark

DAQUA

Water Supply / Distribution · Les Sorinières, France

Darcy Products Ltd

Sewer Systems / Stormwater · Larkfield, Kent

Dargavel Engineering

Pipelines & Infrastructure · Scotland

Darktrace Ltd

DARO UV SYSTEMS LTD

Water Quality & Testing · Fleet

DAS Environmental Expert GmbH

Recycling / Resource Recovery · Dresden, Germany

Dassault Systèmes (Water)

DataFlow Group Ltd

Datatecnics Corporation Ltd

Datomic Cutting

Robotic Drain Cutting & Concrete Removal · Chester, Cheshire

Datong Guiyi Carbon Corporation Co., Ltd.

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

Datong Heneng Activated Carbon Co., Ltd.

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

Datong Jinsheng Haoda Coal Industry Co., Ltd.

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

Datong Zhongxin Dingsheng Activated Carbon Co., Ltd.

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

David R Murray & Associates

Davidson Land Services

Davies Greenwood Ltd

Davies Group

Environmental & Compliance · London

DAVINCI VALVES

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

Dawnus Construction

Dawnus Group Ltd

DAWSON-WAM Ltd

Civil Engineering & Construction · Gateshead

Daysil Silikon Sanayi A.S.

Water Supply / Distribution · Izmir, Turkey

dbds Deutsche Biogas Dach-Systeme GmbH

Sludge Treatment / Biogas · Kreuzau, Germany

DCL Contracts Ltd

Civil Engineering & Construction · Northampton

DCR Inspection Systems

Drain Camera Sales, Hire & Repair · Pontyclun, Wales

DCR Inspection Systems Ltd

Field Equipment / Civil Engineering · Pontyclun, Wales

DCT Civil Engineering

DDI Heat Exchangers Inc.

patented direct sludge-to-sludge heat exchangers for anaerobic digestion · Dollard-des-Ormeaux, QC

de Korne Machinebouw BV

Water & Environmental Technology · Kapelle, Netherlands

De Nora Water Technologies UK

De Pretto Industrie srl

Sludge Treatment / Biogas · Schio (VI), Italy

De Rooij Milieutechniek BV

Field Equipment / Civil Engineering · Waalwijk, Netherlands

DEBEM SRL

Waste Management / Collection · Busto Arsizio, Italy

Debets Schalke

Wastewater Treatment · Monster, Netherlands

Decision Analysis Services Ltd

Business Consultancy / Decision Analysis / Risk · UK

Decker-Containerbau GmbH & Co. KG

Field Equipment / Civil Engineering · Sankt Wolfgang, Germany

Decksafe Solutions Ltd

Water Industry Supplier · Unit 3-4

Decomposition Co., Ltd.

Waste & Environmental Technology · Heunghae-eup, South Korea

Deecon Consulting Ltd

Deep Trekker

Underwater ROV / Pipeline Inspection / Pipe Trekker · Canada (international)

Defence Infrastructure Organisation (Water)

Government / MOD / Defence Water Infrastructure · Andover

DEFINITIVE INNOVATION

Water Supply / Distribution · Bastiglia, Italy

DeFraWater GmbH

Recycling / Resource Recovery · Seevetal, Germany

Degrémont Technologies (Suez)

Water Treatment Technology / Sedimentation / Ozone / DAF · France / UK (via SUEZ)

Dehoust GmbH

Recycling / Resource Recovery · Leimen, Germany

deister electronic GmbH

Water Technology / Services · Barsinghausen, Germany

Delabie DVS

Delfino Environmental Technology Co., Ltd.

Pumps / Valves / Instrumentation · Suzhou,Jiangsu, People's Republic of China

Deloitte LLP

Audit & Consulting · London

Delta Civil Engineering

Delta Drainage Ltd

Drainage · UK

Delta Membranes

Treatment Technology & Equipment · Hoddesdon

DELTAsort Robotics d.o.o.

Water & Wastewater Technology · Zagreb, Croatia

DEN-JET Nordic A/S

Water & Wastewater Technology · Arden, Denmark

Denholm Industrial Services

Denmans Electrical

Treatment Technology & Equipment · Worthing

DeNOx Enviroment Group

Sludge Treatment / Biogas · Lyngby, Denmark

Denso

Corrosion Protection / Pipeline Coatings · London

DENZ Su Teknolojileri Anonim Sirketi

Water Supply / Distribution · Ankara, Turkey

Department for Infrastructure NI

Government · Belfast

Department for Transport (UK)

Government / Transport Policy / SAF Regulation / Green Fuels Green Skies · London, UK

Depotnet

Digital, Data & AI · Barnsley

Der Grüne Punkt Holding GmbH & Co. KG

Water Technology / Services · Köln, Germany

DERC Salotech

Water & Wastewater Technology · Oud-Beijerland, Netherlands

Derek Parnaby Cyclones International Ltd

Waste & Environmental Technology · Chilton, County Durham

Derrick Corporation

Solids Control & Fine-Separation Equipment · Buffalo, New York, USA

DES GmbH

Sewer Systems / Stormwater · Wuppertal, Germany

DESABAG GmbH

Water Technology / Services · Dillenburg, Germany

DESABAU GmbH

Water Technology / Services · Dillenburg, Germany

Desal Supplies

Designwerk Technologies AG

Field Equipment / Civil Engineering · Winterthur, Switzerland

Desolenator

Solar Desalination / Zero Liquid Discharge / Sustainable Water Technology · UK / Netherlands

DESOTEC Deutschland GmbH

Sewer Systems / Stormwater · Düsseldorf, Germany

DESPRAY Environmental

Waste & Environmental Technology · Almelo, Netherlands

Detectronic

Digital, Data & AI · Burnley

Deurotech Group GmbH

Sludge Treatment / Biogas · Langenfeld, Germany

Deutsche Bank AG (London)

Deutsche Bundesstiftung Umwelt

Water Technology / Services · Osnabrück, Germany

Deutsche Gesellschaft für Abfall- und Kreislaufwirtschaft e.V. (DGAW)

Water Technology / Services · Berlin, Germany

Deutsche Phosphor Plattform DPP e.V.

Sludge Treatment / Biogas · Frankfurt am Main, Germany

Deutsche Vereinigung für Wasserwirtschaft, Abwasser und Abfall e.V. (DWA)

Water & Environmental Technology · Hennef (Sieg), Germany

Deutsches Zentrum für Luft- und Raumfahrt e.V. (DLR)

Water Technology / Services · Köln, Germany

Develop Training

Traffic Management & Utility Training · Derby

Dew Construction

Dewaco Ltd

Water Supply / Distribution · Laitila, Finland

Dewatering Services Ltd

Dewatering · Telford

Dewhurst Utility Services Ltd

DeZURIK

Valves / Knife Gate / Butterfly / Air Valves / Water & Wastewater · USA (global)

DGMT Deutsche Gesellschaft für Membrantechnik e.V.

Wastewater Treatment · Essen, Germany

DHI A/S

Digital Water / Analytics · Denmark (UK offices)

DHI Group

Water Modelling, Digital Twins & Environmental Consultancy · London

dhp technology AG

Recycling / Resource Recovery · Zizers, Switzerland

Di Nicola Infinam Srl

Flow Measurement / Monitoring · San Giovanni Teatino, Italy

Dialynas S.A.

Sewer Systems / Stormwater · Heraklion Crete, Greece

Diamond Bright cleaning solutions

Site Services

Diamond Drilling & Cutting Ltd

Diann Bao, Inc.

Sewer Systems / Stormwater · Changhua City, Taiwan

Diban Ltd

Offley

Dickow Pumpen GmbH & Co. KG

Waste & Environmental Technology · Waldkraiburg, Germany

Die Draw Ltd

Glasgow, UK · Glasgow

DIE GRÜNEN ENGEL

DieDraw Ltd

Pipelines & Infrastructure · UK

Diefenbach

Dieffenbacher Energy GmbH

Sludge Treatment / Biogas · Bludenz, Austria

Diehl Metering Ltd

Pumps / Valves / Instrumentation · St. Louis, France

Dietmar Kaiser AG

Water & Wastewater Technology · Schaanwald, Liechtenstein

Diffuser Express

Dig & Connect Water Services Ltd

Digdat

Digi International UK

Digital Beehive Ltd

Digital Water Works

DigitalWTN

Digital Waste Tracking Software — Waste Receivers · UK

Digraph Transport Supplies Ltd

Vehicle Components · Birmingham

Dikkan Dis Ticaret A.S.

Flow Measurement / Monitoring · Izmir, Turkey

Dikkaya Su Kontrol Sistemleri San. ve Tic. A.S

Flow Measurement / Monitoring · KEMALPASA / IZMIR, Turkey

Dillinger Fabrik gelochter Bleche GmbH

Recycling / Resource Recovery · Dillingen/Saar, Germany

DIMENSIONE AMBIENTE SPA a socio unico

Water Technology / Services · Milano, Italy

DIMTECH S.A.

Sludge Treatment / Biogas · ASPROPYRGOS, Greece

Dinamik Motor Reduktor Sanayi ve Ticaret Anonim Sirketi

Waste & Environmental Technology · Istanbul, Turkey

Dinel, s.r.o.

Pumps / Valves / Instrumentation · Zlin 01, Luzkovice, Czech Republic

Direct Tankers UK Ltd

DISAB UK LTD

Industrial Vacuum / Suction Excavation · Barnsley

DISAB Vacuum Technology AB

Field Equipment / Civil Engineering · ESLÖV, Sweden

Disal Supplies Limited

Treatment Technology & Equipment · Rochdale

DISAN HIDROLIK MAKINA SAN. TIC. LTD. STI.

Waste & Environmental Services · Istanbul, Turkey

Discflo Pumps

Disc Pumps / Viscous Fluids / Sludge / Non-Clog Pumping · USA (international)

Discover Water

dissol GmbH

Sewer Systems / Stormwater · Mülheim an der Ruhr, Germany

Disy Informationssysteme

Digital, Data & AI · Karlsruhe

Ditch Witch UK & Ireland

Horizontal Directional Drilling Equipment Dealer · Swansea, Wales

ditec Dichtungstechnik GmbH

Flow Measurement / Monitoring · Kitzingen, Germany

DJM Services (Pembs) Ltd

DJS Research Ltd

Digital & Data · Macclesfield

DKG Solutions Ltd

DKS Utilities

DMT Environmental Technology

Biogas Upgrading / Biomethane / Carborex Systems · Netherlands (UK market active)

DNV UK Ltd

Consultancy · Norway (major UK operations)

DOA s.r.l.

Digital Water / Analytics · Mariano Comense, Italy

Dobsons Civil Engineering & Construction Ltd

Civil Engineering · Derwent Road

DOGUS VANA VE DOKUM SAN.TIC.A.S

Flow Measurement / Monitoring · Izmir, Turkey

Doha Waterproof Factory

Recycling / Resource Recovery · Doha, Qatar

Dokerler Dokum Plastik ve Pol. San. Ith. Ihr. ve Tic. Ltd. Sti.

Recycling / Resource Recovery · Ankara, Turkey

Dolav Germany GmbH

Water Technology / Treatment · Hamburg, Germany

Domis Utilities Ltd

DON WHITLEY SCIENTIFIC LTD

Instrumentation & Monitoring · Bradford

Donaldson Associates

Water Industry Consultancy / Regulation / Commercial · UK

Donau Carbon GmbH

Sewer Systems / Stormwater · Frankfurt, Germany

Donau Chemie AG

Sewer Systems / Stormwater · Wien, Austria

Dongying Giayoung Precision Metal Co., Ltd

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

Doocey Group Ltd

Pipelines & Infrastructure · West Bromwich

Doocey Traffic Management (DTM)

Tipton

Dooley Wastewater & Environmental Consulting Ltd

Consultancy

Doori Co.,Ltd

Water & Wastewater Technology · Daechang-myeon, Yeongcheon-si, South Korea

Doosan Enpure Limited

Water Treatment Engineering · Birmingham

Doosan Fuel Cell America Inc UK

Doosan Hydro Technology

Water Quality & Testing · London

Doosan Lentjes GmbH

Sludge Treatment / Biogas · Ratingen, Germany

Doppstadt Umwelttechnik GmbH

Field Equipment / Civil Engineering · Velbert, Germany

Dora Biyolojik Urun. Cevre. Sag. Hizm. Ilac. Mak. Muh. Dan. Ith. Ihr. San. Tic. Ltd. Sti.

Water Supply / Distribution · Izmir, Turkey

Dorset Green Machines BV

Sewer Systems / Stormwater · Aalten, Netherlands

DOSATRON INTERNATIONAL

Waste Management / Collection · TRESSES, France

DOSATRONIC GmbH

Pumps / Valves / Instrumentation · Ravensburg, Germany

Doseuro Srl

Sewer Systems / Stormwater · Cologno Monzese, Italy

Double Helix Tracking Technologies

Asset Tracking / IoT · Farnborough

Dover District Coucil

Dowling and Cosh Ltd

DOYMA GmbH & Co

Waste Treatment / Processing · Oyten, Germany

DP PUMPS MANUFACTURERS S.A.

Waste Management / Collection · Athens, Greece

Dr. Ing. Wandrei GmbH

Water Technology / Services · Berlin, Germany

Dr. Küke GmbH

Sewer Systems / Stormwater · Wedemark, Germany

Dr. Thiel GmbH

Water Technology / Treatment · Apolda, Germany

Dr.-Ing. A. Haenlein GmbH & Co.

Waste Treatment / Processing · München, Germany

Dr.-Ing. Steinle Ingenieurgesellschaft für Abwassertechnik mbH

Recycling / Resource Recovery · Weyarn, Germany

DRAEGER Safety UK LTD

Products & Equipment · Blyth

Dragos Inc (UK)

Drahtspleißerei Köppen GmbH

Water & Wastewater Technology · Rathenow, Germany

Drain and Sewer Services Ltd

Drain Centre Utilities Wolseley

Drain Devils (Grampian) Ltd

Drainage · Glasgow, Scotland (Lanes Group subsidiary)

Drain Trader Magazine

Drainage, Water & Wastewater Trade Publication · Cheltenham, Gloucestershire

Drainage 2000 Ltd

Drainage Management Services Ltd

Drainage Network Services Ltd

Drainify Ltd

Brighton, UK · Brighton

Drains Ahead Ltd

DRANCO nv

Sludge Treatment / Biogas · Gent, Belgium

Draper Civil Engineering Ltd

Drax Energy Solutions Limited

Utilities · Leeds

Drayton Tank & Accessories Ltd

drenotube®

DRILCORP

Drinking Water Inspectorate (DWI)

Drinking Water Quality Regulation / Compliance · London

Drive Lines

Supply Chain / Power Transmission · Stourbridge

Drive Systems Ltd

DroneDeploy Inc

Drone Mapping Software · London (UK office)

Druck Limited

Pressure Instruments · Leicester

Dry Fire System GmbH

Field Equipment / Civil Engineering · Renningen, Germany

DRYCAKE BV

Waste & Environmental Technology · Lichtenvoorde, Netherlands

Dryden Aqua

Glass Filter Media / AFM Activated Filter Media / Water Treatment · Scotland, UK

Drytech International SA

Digital Water / Analytics · Bedano, Switzerland

DS Dichtungstechnik GmbH

Digital Water / Analytics · Nottuln, Germany

DSC Environmental Ltd

Environmental & Compliance · Leicestershire

DSM Demolition Ltd

Demolition · Ripley

DST Dauermagnet-SystemTechnik GmbH

Waste Management / Collection · Neuenrade, Germany

DT Civils Ltd

Dual Pumps

Pumps & Pumping Systems · Hudson Rd

Dublix Technology ApS

Sludge Treatment / Biogas · Gentofte, Denmark

Dulas Ltd

Environmental & Compliance · Machynlleth

DULEVO INTERNATIONAL S.P.A.

Water & Environmental Technology · Fontanellato (PR), Italy

Dumfries and Galloway Council

Dumfries and Galloway Utility Company Ltd

Dunamis Group Ltd

Instrumentation & Monitoring · UK (OCU Group)

DUNLOP HIFLEX

Water & Wastewater Technology · Halmstad, Sweden

DuPont Water Solutions

Duradiamond Healthcare Limited

Consultancy · Nationwide

Durapipe UK

Durmin Entsorgung und Logistik GmbH

Water Technology / Services · Nürnberg, Germany

Dutch Flow Control

Sewer Systems / Stormwater · Emmeloord, Netherlands

Dutch Magnetics B.V.

Waste & Environmental Services · Helmond, Netherlands

Dutch Spiral B.V.

Wastewater Treatment · LN Groot - Ammers, Netherlands

Dutch Water Management

Flow Measurement / Monitoring · Bergschenhoek, Netherlands

Dutypoint Systems Ltd

Treatment Technology & Equipment · Gloucester

Duztech - Dust Suppression

DVGW Deutscher Verein des Gas- und Wasserfaches e.V. Technisch-wissenschaftlicher

Sludge Treatment / Biogas · Bonn, Germany

DVK International Co., Ltd.

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

DWF Law LLP

Consultancy · Manchester

DWG InfraCo Ltd

Water Infrastructure / Lining / Rehabilitation / Trenchless · UK

Dwr Cymru Welsh Water Engineering

Civil Engineering & Construction · Treforest

Dwr Water Solutions Ltd

Dwyer Instruments Ltd

DXB Pump & Power Limited

Pumps · UK

Dyer & Butler

DYKA B.V.

Digital Water / Analytics · Steenwijk, Netherlands

Dynacam

Sewer Camera Equipment Rental, Servicing & Repair · Woodbridge, Suffolk

Dynamic Screening Systems Ltd

Waste & Environmental Technology · Donegal, Ireland

Dyne Solicitors

Regulatory Law — Waste, Water & Environmental · UK

Dörsam und Nickel Transport GmbH

Water Technology / Services · Mainz, Germany

Düker GmbH

Flow Measurement / Monitoring · Karlstadt/Main, Germany

Dünschede Fahrzeugbau GmbH & Co. KG

Field Equipment / Civil Engineering · Meschede, Germany

Dürr CTS GmbH

Sludge Treatment / Biogas · Bietigheim-Bissingen, Germany

Dŵr Cymru Welsh Water