| 4 Clean Tech |
| A & L Mair Ltd |
| A&M Grant ltd |
| AB Connect |
| AB Energy |
| AB Energy USA |
| AB Impianti srl |
| ABO WIND AG |
| Abt Associates |
| AC1 Consulting |
| ACEA Pinerolese Industriale SpA |
| ACT Commodities |
| ACTED |
| Ada Mode |
| ADBA |
| AD-DV Limited |
| Adhnan Trade Center |
| Adicomp S.r.l. |
| Advanced Anaerobics Limited |
| AE2S |
| AEL |
| Aerobe Ltd |
| Aes Corp |
| AFP Assets Ltd |
| Africa Green Energies |
| Afrinol Holdings Ltd |
| AFS GROUP |
| AFS GROUP LTD |
| Agada |
| agatos spa |
| Agpath P/L ; , Faculty of vet & Ag Science, U of Melb |
| Agraferm GmbH |
| agriAD |
| AgriBriefing Ltd |
| Agri-Food & Biosciences Institute for Northern Ireland |
| agriKomp |
| Agrivert |
| Agrobells UK Limited |
| AILE |
| AINIA |
| Air Liquide |
| Air Liquide advanced Technologies |
| Aircodiet |
| Airtech USA |
| Akayol Limited |
| Alfa Laval Ltd. |
| AlJoaib Group |
| Allpress Farms Limited |
| Alltech |
| Alsea Business media |
| Altare |
| Altare energia |
| Alterna Verde Corporation |
| Alvan Blanch Dev Co Ltd |
| AMD Ltd |
| AMETEK LAND |
| Amratlal |
| Amur |
| Anaergia |
| Anaerobic Bioenergy Limited |
| Anderson Strathern |
| ANDFP |
| anessa |
| Anglian Water |
| Animal sciences institute |
| Anna University |
| ANP |
| Antec Biogas |
| Aqua Enviro |
| Aquapak Polymers Ltd |
| archeogas |
| Armatec Environmental |
| ARSHAM Clean Energy |
| Ashfords LLP |
| ASM Rahden GmbH |
| Aspen Waite Corporate Finance |
| Assentech Sales Limited |
| ATCO Energy Solutions |
| ATKINS Ireland |
| Auckland University of Technology |
| Australian Pork Limited |
| Austrian Energy Agency |
| Austrocel |
| Authentic Sustainability Limited and Glanbia Plc |
| AZOLA SAS |
| Ballyshannon Recycling |
| Banco de México |
| Bandung state polytechnic |
| Barfoot Energy Ltd |
| Barrockstown |
| Batna University |
| BCU |
| Beaconsoft |
| Beijing SinoCleansky |
| BELFACONSTRUCT BVBA |
| Ben Burgess |
| Bennamann |
| Beunell Biotechnologies |
| Bilfinger GreyLogix GmbH |
| Bill Corcoran Eectricial |
| BioBANG – Three ES |
| Bioelectrica |
| Bioenergy Australia |
| Bioenergy DevCo |
| BioFactory |
| BioFactory Ltd |
| Biofil |
| Biofrigas/Graariel Ltd |
| Biogas Afri-Tech |
| Biogas Channel |
| BIOGAS ENERGY INV. |
| BIOGAS LAGADA SA |
| Biogas Technology and Information Center |
| Biogass Norge |
| Biogasview |
| BiogasWorld Media Inc |
| Biogest |
| Biomass Carbon Services Ltd |
| Biomethane Green Srl |
| Biomethane Total Solution Corp |
| Bionenergy concept GmbH |
| Biopower Solutions |
| Biopract ABT GmbH |
| Bioprocess Control |
| Bioregional |
| Biowatt srl |
| Birch Solutions |
| Bloomberg LP |
| BloombergNEF |
| Blue Planet Renewables |
| BlueSkyBio |
| Borger UK Ltd |
| Bosch Beton |
| Boxford Suffolk farm |
| BoxLNG Private Limited |
| BPE Design & Support |
| Brains and Hammers |
| Brapa.com |
| Brenntag UK |
| Bridgwater college |
| Brigg Macadam |
| Brightmark |
| British Sugar |
| Bromar Electrical Services |
| Bromham Biogas |
| Bryn Power Ltd |
| BS38 |
| BSE3 |
| Buddleford Broadoak Ltd |
| Byosis Group BV |
| BZKiW |
| C.F. Nielsen A/S |
| CADER Argentina Renewable Energy Chamber |
| Cambridgeshire County Council |
| Canadian Biogas Association |
| Cape Peninsula University of Technology |
| Carbofull Carbon PTE Ltd. |
| Carbon Activated Ltd |
| Carbonlite |
| CarboTech |
| CCAC Secretariat |
| CCm Technologies Ltd. |
| CDEnviro |
| CDER |
| CED( center of Environmental Development)nt |
| CEID COLOMBIA |
| Celignis Limited |
| Cellwood Machinery |
| Celtic Chemicals Ltd |
| Cembra Money Bank |
| Central Talent |
| Ceres Energy Limited |
| Cetadal Capital |
| Cetix |
| CGPL, IISc |
| Chart Industries |
| China Agricultural University |
| CIBiogas |
| CIBiogás |
| CIBiogás/UNIDO |
| Cielo Energy |
| CIRC B.V. |
| Circular Solutions Philippines |
| City Gardens |
| CIWM |
| Clarke Energy |
| Clarke Energy India Private Limited |
| Clayton Hall Farm |
| Clayton Hall Farm Biogas Products Ltd |
| Clean Energy Insight |
| CLEANaS |
| Cleanergy Renovables |
| Cleanworld AS |
| Clearwater Ltd |
| CNG Services |
| Colloide Engineering Systems |
| Commune Dioudoubou |
| Compañía Centroamericana de Biogás, S. A |
| Concord Green Energy Sdn Bhd |
| Concord Renewable Energy |
| Concordia University |
| CONICET-INTA |
| Consulting Engineer |
| Continental Industrie |
| Corporate Money Matters |
| Council for Geoscience |
| Coventry University |
| CPL Activated Carbons |
| Cranfield University |
| Crescimento |
| Crop2kilowatt PTY Ltd |
| Cropwell Energy Ltd |
| Crotalus Climate Action |
| Crotalus Climate Action SAS de CV |
| Crowcon Detection Instruments Ltd |
| CRUX GROUP LIMITED |
| CSIR- Indian Institute of Chemical Technology (IICT) |
| CSO Group |
| CTEC Energy |
| Daanari Ltd |
| Dalal Plastics Pvt Ltd |
| Danagri-3S Ltd |
| Dayalbagh Educational Institute |
| DCC LPG |
| De Montfort University |
| Del Monte Philippines, Inc. |
| Department for International Trade |
| Department for Transport |
| DESOTEC |
| Destilación y Calderería de Tomelloso, S.L. |
| DIAMANT LE CLAIR INTERNATIONAL S.A |
| DIVINE BIOMETHANE GAS PRODUCTION |
| DLS Group |
| DMT – Environmental Technology |
| DMT Clear Gas Solutions |
| Dolav |
| Dow Chemical |
| DPS |
| Draeger Safety |
| dragon |
| DSL (DELRON SERVICES LTD) |
| DSM |
| Durham Energy Institute |
| durr |
| Dürr Systems AG |
| Dutchland Inc. |
| Earthtech Oy |
| East London Biogas |
| EBRD |
| EBRI – Aston University |
| Eco Sustainable Solutions |
| Eco2 |
| Ecochimica |
| Econward Tech |
| EcoPowerSoft |
| EcoTech Recycling Solutions |
| Eenergy Power Systems Australia |
| Efacec |
| Eisenmann Corporation |
| Elect OWaste |
| Embassy of Denmark in Malaysia |
| Emerson |
| EMI/ UM5 |
| Emission Partner GmbH & Co. KG |
| Eneraque Pty Ltd |
| ENERECO S.p.A. |
| Energim |
| Energir |
| Energy and Waste SL |
| Energy Chemical & Equipment Co. |
| Energy Power Systems Australia |
| Energy Waste. S.l |
| Energy360 Pty Ltd |
| EnerNext |
| ENERTRUST |
| ENGIE CEIGAR |
| ENGIE Gas Limited |
| Engineered Systems Electrical Ltd |
| Enking International |
| enrich4 |
| EnriCH4 Ltd |
| Entropic Solutions Ltd |
| Entrust environmental Ltd |
| Enviro Tritech Pvt Ltd |
| Environment Agency |
| Environmental Treatment Concepts |
| Environmental Treatment Concepts Ltd |
| EnviTec Biogas UK Ltd |
| EPCOR |
| ERBR |
| ESB |
| Espazyme Uk Ltd |
| Eurobodalla Council |
| European Diesel Services Ltd |
| EuWelle Environmental Technology |
| EUWELLE Environmental Technology GmbH |
| Evonik Operations GmbH |
| Exagon Impact Capital |
| Exeter University |
| ExTox Gasmess-Systeme |
| FARMGAS |
| Federal University of Pernambuco, Departamento of Nuclear Energy |
| Federal University of Sergipe |
| Feedback |
| Feedback Global |
| FEX POWER SYSTEM ENGINEERING |
| Fiberight |
| FICHTNER |
| Fikelela Bonke Power |
| Fingleton White |
| Fisher German LLP |
| Flare Products |
| Flex Technologies Limited |
| FLI Carlow |
| Fluxys N.V. |
| FM BioEnergy |
| Food & Bio Cluster Denmark |
| Food and Bio Cluster Denmark |
| FORNOVO GAS SPA |
| Fortes Media Group |
| FortisBC |
| Foundation for Research, Education and Awareness in Ecosystems, Biodiversity and Aquaculture |
| Frost & Sullivan |
| Fundação para a Ciência e a Tecnologia |
| Futuraform |
| Fylde Fresh and Fabulous |
| Gaia EnviroTech |
| Galileo Technologies |
| Gamber Generation |
| Gangotree Eco Technologies Pvt Ltd. |
| Gangotree Energy Projects Pvt Ltd |
| Gas Data |
| Gauteng Growth and Development Agency |
| GEC Valsad |
| Gegan Green Energy Management Ltd |
| GEGAN SOLUTIONS LIMITED |
| Genecis |
| Genecis Bioindustries |
| GENIA GLOBAL ENERGY |
| Geosynthetic Technology |
| GFA |
| GHD |
| Ghent University |
| GIZ |
| GlanAgua |
| GLOBAL BIOGAS CONCEPTS |
| GM-GREENMETHANE |
| GNI |
| GO2-Markets GmbH |
| Gooderham Farms |
| Government |
| Graariel Ltd |
| Gradeon kinsel |
| Granville EcoPark |
| Gravis |
| GRDF |
| Green Brick Eco Sol pvt ltd |
| Green Create |
| Green Genius |
| Green H2 Limited |
| Greenbank group |
| GreenCape |
| Greencrop Irrigation |
| Gre-energise Limited |
| GreenTech CA |
| Grissan Carrick Limited |
| Grp |
| Grupo Sanchiz |
| GSC Grays |
| H. Clay Moore & Assoc. |
| Hagler Bailly Pakistan Pvt. Ltd. |
| Hallbar Consulting |
| Hammerwood Capital |
| Harbury Energy Initiative |
| Harness Energy |
| Harvey & Co |
| Helios UK Holdco |
| HELLENIC ASSOCIATION OF BIOGAS PRODUCERS |
| Hellenic Dairies SA |
| HERA |
| Heriot-Watt University |
| Heritage water tanks |
| HFH Management Ltd |
| Hidrostal Ltd |
| Hochschule Emden |
| HOMEBIOGAS Nepal |
| Hoogland |
| Hope Foundation |
| HoSt UK |
| Howden |
| HRS Heat Exchangers |
| Hudson Valley Next Generation |
| HUESKER Ltd |
| Huktra / H.Essers |
| Huntstown Bioenergy |
| Hycons Bioenergy Private Limited |
| Hycontrol |
| Hydroflux |
| Hyma geomembrane |
| IBERS, Aberystwyth University |
| ICATER SAS |
| ICS Cool Energy |
| IEA Task37 (UK) |
| IFC |
| IGEM |
| Ignatia Sensors Ltd |
| IGNUS |
| IHS SOLUTIONS LTD |
| IISER Pune |
| Impacto Energia S/A |
| Imperial College London |
| Independent |
| Indonesian Biogas Association |
| iNeuvo |
| INFO TRUST(NGO) |
| INHIDRICA |
| INIA |
| Innovation Realised Ltd |
| Innovations Designtech Group Inc Limited |
| Institute for Sustainable Energy and Environmental Solutions (ISEES) |
| Instituto Nacional de Tecnologia Agropecuaria (INTA) |
| inta |
| Integrated DairyMan (I.D.M.)Ltd |
| International Institute of tropical Agriculture IITA |
| Interwaste Research and Development (East Africa) Trust |
| Inxieme Energia |
| Ion Exchange India Ltd |
| IPREM – UPPA |
| Irish Farmers Journal |
| ISA |
| ISA-ULisboa |
| ISB Global |
| ISB Global |
| Istanbul University |
| Itc |
| Ixora Energy |
| Ixora Energy Limited |
| Ixora Energy Ltd |
| Janus Innovations Consulting |
| Jeonbuk National University |
| JHWalter LLP |
| JJ Power |
| Jones Engineering Group |
| KALINGA INSTITUTE OF INDUSTRIAL TECHNOLOGY BHUBANESWAR ODISHA |
| Kashipur Agro Industries Pvt. Ltd. |
| KBR Ltd |
| KEID CO., LTD. |
| Kellogg’s |
| Kelvion Ltd |
| KhainzaEnergy Limited |
| Khanyabanzi Pty Ltd |
| Kinetic Biofuel A/S |
| Kinetix Critchleys Corporate Finance |
| klimatorium |
| KOBIJAMES REAL ESTATE AND CONSTRUCTION WORKS |
| Krieg & Fischer Ingenieure GmbH |
| KSH Solutions Inc. |
| KVASU |
| LACTIPS |
| Lallemand |
| Lamprell Energy Limited |
| LANCASHIRE RENEWABLES LIMITED |
| Lancaster University |
| Landia (UK) Ltd |
| Lanforce Energy |
| Langage AD |
| Lawrence Livermore National Laboratory |
| Lincolnshire County Council |
| Linsell Engineering |
| Linton & Robinson Environmental |
| LIPOR |
| Liquid Gas UK |
| Little Oak Energy |
| London Fire Brigade |
| LOW CARBON & CIRCULAR ECONOMY BUSINESS ACTION IN THE AMERICAS |
| LOW LOW RENEWABLES |
| LR ENERGY |
| LRV |
| Lsh-Biotech |
| LTS International |
| LTU |
| Lund University and Central European University |
| Luxembourg Institue of Science and Technology |
| Makerere University |
| Malaby Biogas Ltd |
| Mansfield Leather |
| Maqsigns |
| Mar del Plata University, Argentina |
| Marches Biogas |
| Marsh Commercial |
| Marubeni |
| Mavitec |
| Mavitec Green Energy |
| Mavitec Green Energy B.V. |
| MC Technical Recruitment Ltd |
| Mecha SPA |
| Medors Renewable Energy P Ltd |
| Memrec |
| MERCADOS RENOVABLES SRL |
| METPower Venture Partners Holdings Inc. |
| Metrohm |
| Metrohm UK |
| Mint Green Sustainability |
| MIRATECH Corp |
| Miss |
| MIT Uni |
| MJIIT |
| molsoncoors |
| Moove Lubricants |
| Moroccan Association of Solid Waste |
| Murphy Process Engineering |
| Mustasch |
| Mutual Energy |
| MWC |
| N/A |
| N2 Applied |
| NaerobiX |
| Naldeo |
| Namib Mills (Pty) Ltd |
| National Environment Agency |
| National film and television institute |
| National institute of Bioenergy |
| National Physical Laboratory |
| National University of Colombia |
| National University of Science and technology |
| Natural Power Consultants |
| NATURE BIOENERGY |
| Navigator terminals |
| n-bio GmbH |
| NCIMB |
| n-ergy ltd |
| N-ERGY Power Solutions |
| Netherlands Enterprise Agency-RVO |
| NETUM |
| Newcastle university |
| Nexus Bioresource |
| NFU Energy |
| NGO |
| NIT Arunachal Pradesh |
| NL enterprise agency |
| NM |
| NORD Drivesystems |
| Northumbrian Water |
| Norwegian Biogas |
| Norwegian University of Life Sciences |
| Nós da Caju |
| Nos da Caju |
| Nossal school |
| Nottingham Trent University |
| NOV |
| NPL |
| npower |
| NSAWAM ADOAGYIRI MUNICIPAL ASSEMBLY |
| NTPC Ltd |
| Nueltech Bioenergy |
| Nuko Farms and Agro-allied Industries Ltd. |
| Oil Gas LNG LPG Renewables |
| Olive resolutions Gmbh |
| Omnagen Ltd |
| Oncoland |
| Optimised Energy |
| Orbital Renewables |
| Orcogen Ltd |
| Organic biogas |
| Organics Group |
| OS Commodities |
| OS Commodities |
| Osaka Gas co., ltd. |
| OXFAM |
| Oxford Institute for Energy Studies |
| Oxien do Brasil Eireli |
| P. Senthil&co |
| Palladium Global |
| paques |
| PARTICULAR |
| Patanjali Bio Research Institute |
| Patanjali Organic Research Institute |
| PDI Utilities |
| Peacock Technology Ltd |
| Pelican |
| Pengelly Farms Ltd |
| Pentair |
| Perfekt home solutions |
| Perpetuum Sustainables |
| Petrofac |
| Phoenix |
| Pieralisi España |
| Planet Bio-Gas |
| PolyPlas Engineering Ltd |
| PowerNorth Nig Limited |
| Prabhu Energy Labs |
| Pragya Seeds |
| Prayas Environment Management Systems Pvt Ltd |
| PreCom Technologies |
| Premtech Limited |
| Privilege Finance |
| Process Technique Ltd |
| Processkontroll Green Technology |
| Professionalgraphics785 |
| Projective Ltd |
| Projex Solutions |
| Protego UK Ltd |
| Provogue |
| Prudentia Indonesia |
| PT. Ian Markmulti Teknologi |
| PT. Sanbe Farma |
| PT.Aditya Tangguh Perkasa |
| PTech UK Ltd |
| Puragen activated carbon |
| Purebreed.ai |
| Pwani University |
| PWK Waste Management and Recycling |
| Pyro Data Analysis |
| QIS |
| Quadrogen Power Systems |
| Qualvista Ltd |
| Queen’s University Belfast |
| r/FPTO |
| Racine SA |
| Rad Environmental and Climatic Protection (RENACLIP ) Foundation |
| Rcc engineering group |
| Rcc Enginerring group |
| RE Power Group |
| Realistic Agri Ltd |
| Redrows |
| Refood UK |
| Renewable Energy Translations |
| RentecSales Manager |
| Resilience Development Initiative |
| REVY Environmental Solutions Pvt. Ltd. |
| Ricardo Energy and Environment |
| Riga technical University |
| RISPED-ONG |
| Robinson Brothers Ltd |
| Rolande Biofuels |
| Romanian Association for Waste Management |
| Rostech Environmental Ltd |
| Rotork |
| Royal Dutch Shell |
| RPL |
| RSA Insurance |
| RUBIS |
| RUDOUT INFRATECHNOLGIES LLP |
| Rupert Rankin Garden Services |
| RuralTech LLP |
| Rushmoor Borough Council |
| S C Pinder & Co. Ltd |
| Sadrabniroo |
| Saipem |
| Sarralle Environment&Energy |
| Sawcom |
| SBP BIO GAS |
| SBP BIOGAS |
| Scania |
| Scarab4 |
| SCEB inc. |
| Scottish Environment Agency |
| Scottish Environment Protection Agency |
| SEAB Energy (SEAB Power Ltd) |
| Seed Bangla Agri Ltd |
| Seeds Energy Group |
| SeekOps |
| SEEPEX UK Ltd |
| Self Employed |
| SEPCO INDUSTRIAL SUPPLY AND TRANSFORMER SERVICES, INC |
| Severn Trent |
| Severn Trent Green Power |
| Severn Trent Water |
| SGS Beograd |
| SGT |
| SGTech |
| sharada electro chem |
| SHARADA electro chem |
| Shell |
| Shires Biogas Consulting |
| Shropshire Energy (UK) Ltd. |
| SIAD MI / ITALY |
| SibBioGas LLC |
| Sicgil Industrial gases |
| slr consulting |
| Smaragda Solutions LLP |
| Smicon bv |
| SNV Netherlands Development Organisation |
| SoilCycle Ltd |
| Solamb SRL |
| Solberg International (UK) Ltd |
| Solberg International UK Ltd |
| Sorigue |
| Southern Company Gas |
| Spaceonova |
| Spreco Argentina |
| SpudMe |
| sri ram lubricants pvt ltd |
| St.Xavier’s Catholic College of Engineering |
| Staffordshire University |
| standard gas |
| State of Green |
| STEAG |
| Steverding Rührwerkstechnik GmbH |
| STGP |
| STI SAS |
| Stopford Projects Limited |
| Storengy UK |
| Storengy UK Ltd |
| Stormfisher Environmental |
| Stormossen Ab/Oy |
| Straw Innovations Ltd |
| Student |
| SUEZ |
| Suez R&R UK |
| Suez Water Technologies & Solutions |
| Suez WTS |
| Sugar Research Australia |
| Suomen Biovoima Oy |
| Supply Advantage Ltd |
| Surface Urban Farming |
| Sustainable Energy for Pakistan/Implemented by TetraTech under contract to USAID |
| Sustainable energy Generation |
| Swagelok Manchester |
| Swansea University |
| Synergie Environ |
| Synergy Biorefineries Private Limited |
| Sysadvance |
| Tala Consortium |
| Target Renewables Ltd |
| TBEHUB |
| Technical Bioenergy Crete |
| Techno Art Serwis i Aranzacje sp z o.o |
| Tecto Protection |
| Teksan Generators |
| Teralba Industries |
| Terra |
| TerraVis GmbH |
| Tersa BV |
| Tetra Tech |
| Texas A&M AgriLife Research |
| Textiles Coated International |
| The Boxford Group |
| The Challenges Group/Challenges Rwanda |
| The Compost Kitchen |
| The University of Manchester |
| The University of Melbourne |
| The University of Sheffield |
| The Way Forward 2045 |
| Thomasson farms |
| Thomson Reuters |
| Timab UK |
| Topies Energies and Chemicals Ltd |
| Total |
| Town of Petawawa |
| Trade Council North America |
| Trade Council of north America |
| TRINITY |
| Trinity Organics Ltd |
| TRISP AFRICA LTD |
| TÜV SÜD |
| UCL |
| UERJ |
| UFASTA |
| UFPE |
| UFSC |
| UIT University |
| UK Department for International Trade |
| UNAM |
| UNIDO Cambodia |
| UNIDO/CIBiogás |
| UNIOESTE |
| UnitBirwelco Ltd |
| United Industries Group, Inc. |
| united renewables |
| United Renwables |
| United Utilities |
| Universidad Nacional de Santiago del Estero |
| Universidad Nacional del Litoral |
| Universidade Católica de Petrópolis |
| University |
| University Duisburg-Essen |
| University of Aberdeeen |
| University of Aberdeen |
| University of Benin |
| University of birmingham |
| University of Cádiz |
| University of Freiburg, Germany |
| University of Gävle |
| University of Greenwich |
| University of Ilorin |
| University of KwaZulu-Natal |
| University of Leeds |
| University of Lomé |
| University of Maryland |
| University of Melbourne |
| University of Miskolc |
| UNIVERSITY OF NAIROBI |
| University of Nottingham |
| University of Oxford |
| University of Queensland |
| University of Santiago |
| University of Sao Paulo |
| University of Sheffield |
| University of South Wales |
| University of Surrey |
| University of the Witwatersrand |
| University of York |
| university Oran1 Ahmed ben bella |
| UNMSM |
| Utonomy |
| Vaisala Ltd |
| Veolia |
| Verdant Biotech |
| Verdant Biotech Ltd |
| Victoria University, Melbourne Australia |
| Viresco AD |
| VLR BIO PRO PRIVATE LIMITED |
| Volkswagen Commercial Vehicles |
| VSEAL ltd |
| W H Gittins & Sons |
| Wageningen University & Research |
| Wagna power system Gmbh |
| Walker Resource Management Ltd |
| WAMITAB |
| Wangen Pumpen |
| Wartsila |
| Wärtsilä Biogas Solutions |
| Warwick Business School |
| WASE |
| Washington State University |
| Wastewise |
| WBA |
| Werba-Chem |
| Wessex Water Enterprises |
| WIKA INSTRUMENTS LTD |
| Wildmore renewables |
| Wilkin Chapman Solicitors |
| Willsborough Ltd |
| WindPower Nepal |
| Wisconsin Economic Development Corporation |
| WISER Environment Ltd |
| wolf design ltd |
| Woodfield Systems Ltd |
| Working Solutions (Mercia) Ltd |
| World Biogas Association |
| WRM Ltd |
| Wyke Farms Ltd |
| XATSA ENERGY SA |
| Xebec Adsorption |
| Xebec Adsorption Inc |
| Xergi ltd |
| Zero 6 |
