The Climex trading platform currently counts 94 members.

Participants on Climex:

• Act Neutral LL
• Asja Ambiente Italia S.p.A.
• Avebe U.A.
• Bakonyi Eromu ZRt
• Barclays bank Plc.
• Blackstone Global Ventures sa
• BNP Paribas
• British Energy Power and Energy Trading Limited
• C.G. Zuurbier en Co Rozenkwekerijen B.V.
• Carbon Capital
• Carbon Consultancy Ltd
• Carbon Offsets Limited
• Carbon-TF B.V.
• Cargill International SA
• CDC Ixis
• Climate Positive
• Corecard BV
• Corus UK Limited
• Deeside Power Development Company Ltd.
• Ecocem Materials
• Ecolutions GmbH & Co. KGaA
• E.ON Sales & Trading GmbH
• Electrabel SA
• Elektrizitäts Gesellschaft Laufenburg AG
• Element Markets LLC
• Emissiebeurs BV
• Emisso ek.för.
• Enel Trade Spa
• Energie Groupe 
• Energy & Environment Business Services Ltd
• Energy Mad Ltd.
• Esco-salt BV
• Essent Energy Trading B.V.
• EUTech Energie und Management GmbH
• Evonik Trading GmbH
• First Climate Markets AG
• FPL Energy Power Marketing Inc.
• Future Camp GmbH
• GEMB Gesellschaft für Emissions Management und Beratung mbH
• Georgia Pacific Nederland B.V.
• Global Carbon
• Greenbookings B.V.
• Greenmiles GmbH
• GreenStream Network Ltd.
• Grosskraftwerk Mannheim AG
• Grup Rigaut 33SL
• Hungrana Keményíto és Izocukorgyártó kft
• ICECAP Limited
• Igogreen BV
• IMC Trading BV
• JSC Ekomarket
• K+S Kali GmbH
• KFW Bankengruppe
• L2I Financial Solutions Consultant
• Linz Strom GmbH – Energiemanagement
• Magnox Electric PLC
• Marceau Trade
• Meridian Energy Limited
• Merrill Lynch Commodities (Europe) Limited
• Mochenwangen Papier GmbH
• Moltrade-Mineralimprex Kereskedelmi ZRT
• Morgan Stanley Capital Group Inc
• Nedmag Industries Mining and Manufacturing
• Nordzucker
• Oü Energiaekspert Limited Liability Company
• Oxxio Nederland BV
• R.A. Mokry & Cie
• Rabobank International
• Rabobank International London Branch
• Repay International B.V
• RNK Capital LLC
• Sendeco2
• Shell Trading International Limited
• SIA "E-Kvotas"
• Sonneborn Refined Products B.V.
• SouthEastern Carbon Solutions,LLC
• Statement Ltd.
• Statkraft
• STX Energy Services BV
• Teeside Power Limited
• Tolo Energia SRL
• Tolo SRL 
• Tricorona
• UAB E-Energija
• Uskmouth Power Ltd
• V&A Corporation Ltd
• Vertis Környezetvédelmi Pénzügyi Tanácsado
• Vertis s.r.o.
• Wagenplan B.V.
• Wallich & Matthes
• Wallich & Matthes Czech Republic
• Windunie Trading
• Xelector Ltd
• Zalco