Europe
- =mc
- 2018/2022 Bidding Nation England
- ABG
- AB Lindex
- ABN AMRO
- ACCA
- Acciona
- Accor
- Actanol Renewable Technologies GmbH
- Actio Corporation
- Adelphi Research
- Adidas
- AEA
- AECOM
- Agencia Dossier
- Agulhas: Applied Knowledge
- Air France
- Aker Clean Carbon
- Akzo Nobel
- Alcatel Lucent
- Aletho Energy
- Alfred Karcher GmbH
- Allianz SE
- Alpro
- Alstom
- Altavia
- Altedia Investment Consulting
- Ambienta Sgr S.p.A
- Ambiente International LLP
- AMEC
- Amida
- Amlin plc
- AMPHOS XXI CONSULTING S.L.
- Anglian Water Group
- Ann Bodkin Sustainability + Architecture
- Annington Homes Limited
- Anvr
- Arcadis NV
- ArchitectureM Chartered Architects
- Arcola Theatre
- Arete Consulting
- Artex
- Arthur D Little
- Artillery architecture and Interior Design
- Artoos Communication Group
- ARUP
- Asda Stores Limited
- ASN Bank
- Association for Consultancy & Engineering
- Association of Train Operating Companies
- Atkins
- Atkinson Bolton Consulting Ltd
- Atlantia S.p.A
- Attends Healthcare
- Aviva Plc
- AXA Insurance
- B&Q China
- BAA
- Bakkavor
- Balfour Beatty
- Bancaja Habitat
- Banco Popular Español
- Banco Santander
- Barclays
- Barilla
- Barlinek S.A
- Barker White
- BASF SE
- BASMOOARC
- Bayer AG
- BBLB Architects
- BBVA
- Beachcroft LLP
- BEKAERT
- Belgacom
- Beluga Shipping
- Be Natural N.V
- Bergfald & Co as
- Best Books Ltd
- BG-Group
- Biogroup
- Bioregional Development Group
- Blue Next
- BMW AG
- Bond Bryan Architects
- BP
- British Airways
- British American Tobacco
- British Recycled Products
- Bromotion Consultancy
- BSkyB
- BSRIA
- BT
- Business in the Community Ireland
- Cable & Wireless
- CADmeleon
- Camco
- Canmore Partnership
- Capgemini
- Carbon Creative UK
- CarbonLow Group
- Carbon Retirement
- Carlsberg Group
- Carrefour Group
- Catalytic Technology Management Limited
- Catlin Group
- Cementos Portland Valderrivas S.A
- Centrica
- Channel Island Ceramics
- Chartered Insurance Institute
- Chase Environmental Services
- Chime Communications
- CIMA
- Circadian Solar
- Cision UK LImited
- Cittaideale
- City of Bergen
- CIWEM
- Clarity International
- Clearly So
- CLIMACT
- Climate Change Capital
- Climate Neutral Group
- ClimatePartner Deutschland GmbH
- Climate Wedge
- CloudApps
- Clownfish Marketing
- Coca Cola Hellenic
- Coca Cola Icecek
- Coethica Limited
- Compass Group Plc
- Concordia Versicherungruppe
- Connective Worldgroup Southeastern Europe
- Connexxion
- CorporateLeaders
- Corporate Responsibility Interface Centre
- Coteba
- Council for Environmental Protection of Slovenia
- Credit360
- Crown Energy
- Crown Oil
- Crystal Martin International Ltd
- CSO Technik
- Dairy Crest
- Dalehead Foods
- Danisco
- Danone
- Danske Bank Group
- Darnton EGS
- Dartmouth Wave Energy
- Davis Langdon LLP
- De Beers
- Delta Aerospace
- Delta Eco
- Delta Lloyd Groep
- Delta Trade and Consultancy
- Delyte Holding
- Design Advantage
- Deutsche Bank AG
- Deutsche Post DHL
- Deutsche Telecom
- Dexia Asset Management
- DHV
- Diageo
- Digital Dots Limited
- DLA Piper
- Doosan Babcock Energy Limited
- DONG Energy
- DSM
- DTZ Holdings Plc
- Duchy Originals
- Dynamic50 Ltd
- EADS Astrium
- EADS
- Earth Capital Partners
- Earthcare Products
- Easyjet
- EC Group
- Eco 3
- Ecofin
- Ecosoft
- Ecovadis
- Eczacibasi Group
- EDF Energy
- Edinburgh International Conference Centre
- Edit Optimisation
- Edison
- Eight Wild Geese
- Elcogas
- ELIA
- Embercombe
- Enablon
- Enagri Limited
- ENBW Energie Baden-Württemberg AG
- Endesa
- Enel Spa
- Enval Limited
- Environmental Academy Ltd
- Environmental Investment Partners
- Environmental Population
- Enviros Consulting
- Envirotech
- EON
- Ericsson
- ERM
- Ernst & Young Global
- Etex Group Ltd
- EPIA
- Euro Charity
- Eurolink Hardware Ltd
- European Business Council for Sustainable Energy
- Eurostar
- Everflourish Electrical Co Ltd
- F&C Asset Management
- F.Hoffman-La Roche Ltd
- Ferrovial
- FESCO
- Firmenich
- First Group
- Fomento de Construcciones y Contratas
- Fortis Bank Nederland
- France Telecom
- Friends Provident
- Friesland Bank NV
- Gamesa Corporación Tecnológica. S.A
- Garenne Group
- GCSE.com
- Generation Investment Management
- General Group Ltd
- Gentoo Gorup
- Geseco Group
- GFA Consulting Group
- Glen Dimplex Home Applances
- Global Carbon BV
- Global Image Management Ltd
- Global Solutions Initiative
- Gordon Murray Design Limited
- Good Vision
- GOPA Consultants
- Gordon Murray Design Limited
- Green books
- Green Gold
- Green Leaf Hosting
- Green Light Trust
- Greenloop
- Grontmij | Carl Bro A/S
- Grundfos
- Grupo SOS
- Guardian Media Group
- Guernsey Chamber of Commerce
- Guernsey Glass & Window Co Ltd
- GVA Grimley
- H&M Hennes & Mauritz AB
- Halcrow Group Limited
- Hara
- Harrison Salmon Associates
- Heidelberger Druckmaschinen AG
- HelioSphera SA
- Hellenic Network for CSR
- Henderson Global Investors
- HFL Sport Science
- Hoare Lea
- Holmen AB
- Holmes Architects
- Howden
- HSBC Holdings Plc
- HTSPE Ltd
- Hyder Consulting
- Iberdrola
- ICA AB
- ICQ Holdings
- IF P&C
- IFCfeed Limited
- IG Partners
- IKEA Group
- impactChoice
- IMS Consulting
- Incisive Media
- Indesit Company
- Industrial Investors Group
- Infrastrutture SpA
- ING Belgium
- ING Group
- Innocent Drinks
- Insight Investment Management
- Intellectual Capital Sweden
- Interamerican Hellenic Life Insurance Company
- Interchange Solutions
- International Asset Monitor
- Invennsys
- Ionic
- Island Coachways Limited
- J Sainsbury's
- Jagged Horizons Ltd
- James Finlay Partnership
- John Lewis Partnership
- John Ploughman Associates
- Johnson Matthey
- John Stebbing Architect Ltd
- JM AB
- Jupiter
- KBC Group
- Kendrick Rose
- Kingfisher Group
- Kiymet-i Harbiye Yonetim Danismanlik ve Ticaret A.S.
- Klimaktiv gGmbH
- KLM
- Kodak Limited
- Koenig & Bauer AG (KBA)
- Kone Elevators
- Koninklijke Ahold NV
- KPMG International
- Kutadgu Communication Consulting Ltd
- Landsbankinn
- Lastminute.com
- Lazam MDS Insurance Brokers
- Legal & General Group
- Legrand Group
- Lemnis Lighting
- LF Europe
- Lifestyle 3.0 Consulting
- Lloyds
- Lloyds Banking Group
- Logica
- London Stock Exchnage
- L'oreal
- LPR - Logistic Packaging Return
- Lukoil
- LVMH
- Mägi Kraavi & Partnerid
- Manchester Airports Group
- Manidis Roberts
- Marketing Incentives Ltd
- M&S
- Martin & Co (Wrexham)
- Martinneau
- McLaughlin & Harvey
- McLean Hazel
- MCM Architecture Limited
- MEP
- METIS Global Awareness Network
- Metro de Madrid
- METRO Group
- Microgeneration
- Ministry of the Environment
- mixcoach networks
- Moava
- MOL
- Momentum Services
- Morgan Sindall
- Motor Oil Hellas
- Mouchel
- MPCEE
- Multiform Fasteners
- Municipal Water Supply and Sewerage Company in Warsaw
- Municipal Water Warsaw
- National Express
- National Grid
- Nationwide Fuels
- NCVO
- Neste Oil Corporation
- Nestle
- Network Rail
- NHS Sustainable Development Unit
- Nice & Serious
- Norbord Europe
- Nordic Sugar A/S
- Norsk Hydro
- Northumbrian Water
- Novatia plc
- Novartis
- Novo Nordisk
- Novozymes A/S
- NPM Capital NV
- Ocean Electric Power
- Oeco Capital Lebensersicherung
- O'Kane Poultry
- Old Mutual
- OpenCast IT
- Opportunity Links
- Organise This
- Otto Group
- Oxsensis
- P&O Ferrymasters Ltd
- Pamoja Capital S.A
- Parhelion Underwriting Ltd
- Pearson
- Pell Frischmann
- Perstorp Group
- Philips Lighting
- Pick Everard
- Pirelli Tyre & Parts
- Pitchup.com
- PJH Gorup
- Positive Impact
- powerPerfector
- Precious Woods Amazon
- PriceWaterhouseCoopers
- PrintCity GmbH & Co KG
- Pro Adventure Ltd
- Produce World
- PROKON Software Consultants
- PSA Peugeot Citroen
- PsykologByrån Kalmar
- Quarmby Construction Company
- Rabbit Films Ltd.
- Rabobank Nederland
- Ramboll
- Randstad Belgium&Luxemburg
- Reckitt Benxkiser Group
- Red Electrica de Espana S.A.U
- Reed Elsevier
- Reegen
- Regen SW
- Remeka AB
- RenSMART Limited
- Repsol
- ResponseAbility Alliance
- Reverse Vending Corporation
- Reynaers Aluminium
- RHODIA
- Richard Davies Investor Relations
- Richmond Cavendish
- RICS
- Ridgeons Ltd
- Rio Tinto
- RM
- Robeco
- Robert Bosch GmbH
- Robert W Le Page Architects & Chartered Surveyors
- Rolls Royce
- Ronseal Limited
- Rosy Blue NV
- Rouse
- Royal Bank of Scotland
- RSA
- RS Law & Society Consulting BV
- RUSAL
- RWE Npower
- Sabanci
- Saint Gobain
- SAP
- SCA
- Schiphol Group
- Schneider Electric
- Schroders
- Schuco International
- Scottish & Southern Energy
- Scottish Power
- Scurr & Partners Limited
- SD Worx
- SEB
- SGS
- Shell
- Shirlaws
- Siemens
- Six Degree People
- SKAI
- Skanska
- Smartly Green
- Smith of Derby Ltd
- SNS Asset Management
- Social and Economic Council of the Netherlands
- Sofsync Limited
- Sogreah Consultants
- Solar Communications
- Sol Melia Hotels and Resorts
- Solarcentury
- Sony Ericsson
- Sophos Plc
- Sorven Media Ltd
- Southgate Green
- SPADEL S.A.
- Spirax-Sarco Engineering PLC
- Stagecoach
- Standard Chartered
- Standard Life
- StatOil
- Stehlik Cosmetics Ltd
- Steria
- Stormberg A/S
- Studioni Ltd
- Suchen
- Sunley Holdings Plc
- SustainAbility
- Sustainable Aviation
- Sustainable Development Capital
- Sustainable Finance
- Sustainable Opportunities Ltd
- SUSTRACO
- Swift sc
- Swiss Re
- Sylphen GmbH & Co. KG
- Tate Consulting
- Taylor Young
- TDC
- Technlink iT Limited
- Technocarbon Technologies GbR
- Telecom Italia
- Telefonica O2 UK
- Telefonica SA
- Telenor Group
- Tendris Holding
- Tesco
- Thames Water Utilities
- The Children's Investment Fund Management (UK) LLP
- The Co-operative Group
- The FA Group
- The Havebury Housing Partnership
- The Mundi Group Limited
- The National Trust
- The Olive Consultancy
- The Royal Academy of Engineering
- Timbmet
- TNEI Services
- Tomra Systems
- Trygvesta
- Turner Broadcasting Systems
- Turner & Townsend
- TYF Group
- UCB
- Umicore
- Union Design Group
- Unilever plc
- United Utilities
- Unternehmensberatung Dipl. Ing
- Upgrade Productions Ltd.
- UTES-UK&Turkey Environment Society
- Valentin Software, Inc.
- Vattenfall
- Verteego
- Vertis Environmental Finance Ltd
- Vito
- Vodafone Group
- V.Ships
- Waugh Thistleton Architect
- Whitmar Publications Ltd
- Wildfire Pro
- William Pollard & Co. Ltd
- Willmott Dixon
- WI Windinvest GmbH
- WPP
- WSP Environment and Energy
- X2 Connect Limited
- Zisman Bower & Partners
