| Äänekosken Kak | Äänekoski | | < 10 |
| Aarsleff Oy | Nurmijärvi | | 20-100 |
| AboaTox Ltd | Turku | 0,2-1 M€ | < 10 |
| Air Well Pumps Pty Ltd | Osborne Park | | |
| Algaefree Australia | Myaree | | |
| ALLEMANO METROLOGY | Torino (TO) | | |
| Allied Environmental Consultants Pty Ltd | North Fremantle | | |
| Alt Papir, ZAO | St. Petersburg | | |
| American Logiball inc. | Sainte-Foy | | < 10 |
| Applied Chemicals Pty Ltd | Welshpool | | |
| Aquamec Ltd. | Säkylä | 1-2 M€ | < 10 |
| Aqwa Engineering | Rymättylä | 1-2 M€ | 10-19 |
| Avtopark ?6 "Speztrans" [Vehicle Fleet "Special Transport"], OAO | St. Petersburg | | |
| Bezopasnie technologii, ZAO ( Safe technologies) | St. Petersburg | | |
| BI.LAB. | Guarene (CN) | | |
| BIOASSISTANCE | Alessandria (AL) | | |
| Biomaa Oy | Hyvinkää | | < 10 |
| Bioremedia Oy Ltd. | Iittala | | < 10 |
| Biorex inc. | Sainte-Foy | | 20-100 |
| BIOSEARCH AMBIENTE | Torino (TO) | | |
| BONECO.IT | Alessandria (AL) | | |
| BSA AMBIENTE Srl | Strambino (TO) | | |
| C.I.R.R. CENTRO INDUSTRIALE RECUPERO ROTTAME | Carmagnola (TO) | | |
| C.T.E. | Piobesi Torinese (TO) | | |
| CADIR LAB S.R.L. | Quargnento (AL) | | |
| CANTIERI STRADALI GALLO | Arborio (VC) | | |
| CARSICO | Torino (TO) | | |
| Centr Laboratornogo Analiza I Technicheskih Izmereniy [Center of Laboratory Analysis and Technical Changes] | St. Petersburg | | |
| Centre de recherche industrielle du Québec (CRIQ)
Direction environnement / environment Division (Environment Branch ? Quebec Industrial research centre) | Sainte-Foy | | 100 > |
| Centre for Groundwater Studies | PO WEMBLEY | | |
| CHEMICAL CONTROL | Cuneo (CN) | | |
| Climat-control,OOO (Climate control) | St. Petersburg | | |
| CNRC Conseil national de recherches Canada | Sainte-Foy | | |
| Coffey Geoscience Pty Ltd | Osborne Park | | |
| CON.SE.CO | Torino (TO) | | |
| Consultants en environnement Argus | Sainte-Foy | | |
| Consulting Engineers Paavo Ristola Ltd | Jyväskylä | | 100 > |
| Copdel environnement inc. | Lac Beauport | | < 10 |
| COREM - Consortium de recherche minérale | Québec | | 100 > |
| CSP - INNOVAZIONE NELLE I.C.T. | Torino (TO) | | |
| Dessau Soprin | Québec | | |
| ECOBIOQUAL | Torino (TO) | | |
| Ecologi and business | St. Petersburg | | 20-100 |
| Ecopro AS | Tallinn | 0,2-1 M€ | < 10 |
| ECOTECNO | Verbania (VB) | | |
| Eesti Geoloogiakeskus OÜ | Tallinn | 1-2 M€ | 100 > |
| Eko Fenix Holding | St. Petersburg | | |
| Eko-Marketing [Ecological Marketing] | St. Petersburg | | |
| EKOLOGISK TECHNOLOGI I SKELLEFTEÅ AKTIEBOLAG | SKELLEFTEHAMN | 2-5 M€ | < 10 |
| EKOS-SPB Company OOO | St. Petersburg | | 100 > |
| EkoSistema, NPPF [Ecological System] | St. Petersburg | | |
| Eksperementalno-proizvodstvennaya masterskaya pri Glavnoi geofizicheskoi observatorii im. A. I.Voiekova ( Experemantal industrial workshop of A.I. Voiekova) | St. Petersburg | | |
| Enemi Oy Ltd. | Lahti | 0,2-1 M€ | < 10 |
| Environment and Business Layers Ltd | Helsinki | | < 10 |
| ENVIRONMENT PARK | Torino (TO) | | |
| Environmental Resarch Biomark | Jyväskylä | | < 10 |
| Environmental Resources Management Australia Pty Ltd (ERM) | Perth | | |
| Environmental Risk Solutions Pty Ltd | Applecross | | |
| Epler ja Lorenz AS | Tartu | 0,2-1 M€ | 10-19 |
| EUROPROGETTI SRL | Novara (NO) | | |
| Experts enviroconseil inc. | Québec | | 10-19 |
| EXXEP environnement | Québec | | < 10 |
| Faculté des sciences et de génie
Université Laval | Sainte-Foy | | |
| Fennocon Oy | Piispanristi | | 10-19 |
| FERMATOR MILJÖ AKTIEBOLAG | HISINGS BACKA | 0,2-1 M€ | < 10 |
| FIAT ENGINEERING | Torino (TO) | | |
| Finnenco Oy | | | |
| Frogmat Environmental (Australasia) Pty Ltd | Claremont | | |
| Fugro Airborne Surveys Pty Ltd | Wembley | | |
| Fundus Oy | Helsinki | | 20-100 |
| G.M.F. di Giannatempo G.E.C | Settimo Torinese (TO) | | |
| GÄVLEBORGS SJÖSANERING AB | GÄVLE | 0,2-1 M€ | < 10 |
| GENERAL SMONTAGGI | San Pietro Mosezzo (NO) | | |
| Geo-work | Vääksy | 0,2-1 M€ | < 10 |
| GEODATA | Torino (TO) | | |
| Geologian tutkimuskeskus GTK | Espoo | | 100 > |
| GIAT Engineering | Torino (TO) | | |
| GOLDER ASSOCIATES GEOANALYSIS | Torino (TO) | | |
| Golder Associates Oy | Helsinki | | 10-19 |
| Golder Associates Pty Ltd | Perth | | |
| Gravit, OOO | St. Petersburg | | |
| Green Station Finland T:mi Seppo Takala | Forssa | | |
| Groupe de recherche en biotechnologies appliquées … l'assainissement des eaux - INRS - EAU
(Research group on biotechnologies applied to water purification ? INRS ? Water) | Sainte-Foy | | |
| GSI environnement inc. | Québec | | 100 > |
| Hackstrom Pty Ltd | Canning Vale | | |
| Hämeen Ympäristösuunnittelu | Hämeenlinna | <0,2 M€ | < 10 |
| Henry Walker Environmental Pty Ltd | Nedlands | | |
| Hesdel Pty Ltd | Floreat Park | | |
| HH-Ympäristöurakointi Oy | Hämeenlinna | | 10-19 |
| Hydrocarbon Remedial Services Pty Ltd | Heathridge | | |
| Hydrogéochem environnement inc. | Québec | | < 10 |
| Ideachip Oy | Hollola | 5-10 M€ | 20-100 |
| Ikoflok, OAO | St. Petersburg | | 100 > |
| INDUSTRI & MILJÖSERVICE I NORR AKTIEBOLAG | LULEÅ | 0,2-1 M€ | < 10 |
| INDUSTRIMILJÖ VÄST AKTIEBOLAG | SKATTKÄRR | 1-2 M€ | 20-100 |
| Insinööritoimisto Kalliotekniikka Oy | Helsinki | | < 10 |
| Intekos | St. Petersburg | | |
| International Rehabilitation and Soil Stabilisation Services | Maylands | | |
| IT-Hytera | | | |
| KH Morgan and Associates | Bentley | | |
| Konstantinov i K [Ecological Center] | Pushkin | | |
| Konsultointi KAREG Oy | Helsinki | | < 10 |
| Krashmash OOO | St. Petersburg | | |
| Kumera Drives Oy | Riihimäki | | 100 > |
| KUNGÄLVS INDUSTRISANERING AKTIEBOLAG | KAREBY | <0,2 M€ | < 10 |
| Kvant Mineral, ZAO | St. Petersburg | | |
| L.A.R.A. | Nichelino (TO) | | |
| Laboratorija Po Kontorlu Za Zagryazneniem Okruzhauschey Sredi Oktyabrskoy Zheleznoy Dorogi [Laboratory for Envitonment Contamination Control of Railroad] | St. Petersburg | | |
| LABORATORIO CHIMICO CAMERA DI COMMERCIO TORINO | Torino (TO) | | |
| Lahti Research laboratory | Lahti | 1-2 M€ | 10-19 |
| Laser Diagnostic Instruments Ltd. | Tallinn | 0,2-1 M€ | 20-100 |
| Leningradskaya kinofabrika | St. Petersburg | | |
| Lenkomecologia Megrayoniy Komitet Viborga i Priozerska | Viborg | | |
| Libourne Analysis | Welshpool | | |
| Liqum Oy | Jyväskylä | | < 10 |
| Lohja Environtec | Helsinki | | 10-19 |
| Lohja Rudus Ympäristöteknologia Oy Ab | Helsinki | | 10-19 |
| Maa- ja Vesi Oy | Vantaa | | 100 > |
| Maa- ja viherrakennus Rämö Oy | Toijala | 1-2 M€ | 10-19 |
| MÄLARSANERING SVERIGE AB | ÄLVSJÖ | 5-10 M€ | 20-100 |
| MARAZZATO SPURGO SERVICE | Borgo Vercelli (VC) | | |
| Marine Plant Systems Pty Ltd | Claremont | | |
| MASSTECH ITALIA | Borgomanero (NO) | | |
| Master Team AS | Tallinn | <0,2 M€ | < 10 |
| Maves AS | Tallinn | 0,2-1 M€ | 10-19 |
| MEGALITH PRODUCTION AB | STOCKHOLM | <0,2 M€ | < 10 |
| MELLANSVENSK INDUSTRISANERING AKTIEBOLAG | HALLSTAHAMMAR | 1-2 M€ | 20-100 |
| MELLANSVENSK INDUSTRISANERING AKTIEBOLAG | ESKILSTUNA | 0,2-1 M€ | < 10 |
| Metlain | St. Petersburg | | |
| Mezhdunarodny Centr Ekologicheskoj Bezopasnosti Regiona
Baltijskogo Morja [Baltic Sea Regional International Center of Ecological Security] | St. Petersburg | | |
| Mineral Process Control Pty Ltd | Jolimont | | |
| Mission Environnement Experts-conseils | Québec | | |
| MPL Health, Safety and Environmental Solutions (WA) | Myaree Business Centre | | |
| MTI Ltd | Osborne Park | | |
| Nakkilan Konepaja Oy | Nakkila | >10 M€ | 100 > |
| NEOS | St. Petersburg | | |
| Nield Consulting Pty Ltd | Mosman Park | | |
| NOLDEM | Torino (TO) | | |
| Nordic Envicon Oy | Helsinki | | 10-19 |
| Nordkalk Oyj Abp | Parainen | | 100 > |
| North-West Normative | St. Petersburg | | |
| NP Sankt-Peterburgskij Ekologicheskij Sojuz [Scientific-Manufacturing Ecological Union of St. Petersburg] | St. Petersburg | | |
| NUOVA CAVIT S.R.L. | La Loggia (TO) | | |
| Occtech Engineering Pty Ltd | Perth | | |
| Oilsorb OÜ | Kohtla-Järve | <0,2 M€ | < 10 |
| OLOFSON & HANSSON AKTIEBOLAG | GÖTEBORG | 2-5 M€ | 20-100 |
| OTEK Australia Pty Ltd | Belmont | | |
| Ovion-S ZAO | St. Petersburg | | |
| Ozone Protected Systems | Osborne Park | | |
| P.Å. INDUSTRI & SKEPPSSERVICE AKTIEBOLAG | HÄGERSTEN | 0,2-1 M€ | 10-19 |
| Paavo Ristola Consulting Engineers Ltd | Hollola | 2-5 M€ | 20-100 |
| Pesutehnika OÜ | Tallinn | 0,2-1 M€ | < 10 |
| Peter J Woods and Associates | Cottesloe | | |
| Petroklin OOO | St. Petersburg | | |
| Plancenter Ltd. | Jyväskylä | | 100 > |
| Polygec inc. (SNC-Lavalin) | Québec | | |
| PROTEZIONE AMBIENTALE S.R.L. | Alessandria (AL) | | |
| PTI-Soil Oy | Turkhauta | | < 10 |
| QH - SYSTEM AB | VÄSTRA FRÖLUNDA | | < 10 |
| QH-SYSTEM HANDELSBOLAG | VÄSTRA FRÖLUNDA | 0,2-1 M€ | < 10 |
| Ragn-Sells Eesti | Tallinn | 5-10 M€ | 100 > |
| Ramar MP GRUPP OÜ | | <0,2 M€ | < 10 |
| Ramboll Finland Oy | Jyväskylä | | 100 > |
| Reci Eesti AS | Tallinn | <0,2 M€ | < 10 |
| Rejlers Oy | Hämeenlinna | | 10-19 |
| Renrekon Trading OÜ | Kunda | <0,2 M€ | < 10 |
| Roche ltée | Sainte-Foy | | 100 > |
| Rockwater Pty Ltd | Jolimont | | |
| RÖNNÖ SERVICE AKTIEBOLAG SKADESANERING | STOCKHOLM | 2-5 M€ | 20-100 |
| S.E.P.I. SERVIZI ECOLOGICI PER L'INDUSTRIA di Besozzi & C. | Torino (TO) | | |
| Saanio & Riekkola Consulting Engineers | Helsinki | | 20-100 |
| SCC Viatek Oy Geosto | Lahti | >10 M€ | 100 > |
| SEA MARCONI TECHNOLOGIES | Collegno (TO) | | |
| Severo-Zapadny Regional'nyj Centr Avarijno-Ekologicheskih
Operacij [North-West Regional Center of Accidential Ecological Operations] | St. Petersburg | | |
| SevZapNaladka [North-West Alignment] Rosvodokanal, ZAO | St. Petersburg | | |
| SJÖLÉNS SANERING & KEMIKONSULT SUNDSVALL AB | SUNDSVALL | 0,2-1 M€ | < 10 |
| Soil and Water, Jaakko Pöyry Group | Lahti | >10 M€ | 100 > |
| Soilrem Oy | Virkkala | | |
| SOLACTION inc. | Québec | | < 10 |
| SÖRMLANDS MILJÖ- OCH ANLÄGGNINGSSANERING HB | FLEN | <0,2 M€ | < 10 |
| SPIMFAB - SPI MILJÖSANERINGSFOND AB | STOCKHOLM | 5-10 M€ | < 10 |
| STUDIO CHIONO | Rivarolo Canavese (TO) | | |
| Suomen Erityisjäte Oy | Forssa | | |
| Supervac 2000 inc. | Saint-Jean-Chrysostome | | 20-100 |
| SUT Oy (Ins.tsto Saneeraus- ja Uudistekniikka Oy) | Helsinki | | |
| Suunnittelukeskus Oy | Helsinki | | 100 > |
| Symbiose Consultants inc. | Sainte-Foy | | < 10 |
| Syncron Tech | Lahti | 2-5 M€ | 10-19 |
| TANKCLEANING AKTIEBOLAG | GÖTEBORG | 1-2 M€ | 20-100 |
| Techni-génie inc. | Ste-Foy | | |
| TechnoSol | Tallinn | <0,2 M€ | |
| Tecri Oy | Espoo | | |
| Tecsult inc. | Québec | | 20-100 |
| THEOLAB | Volpiano (TO) | | |
| TRITEC AKTIEBOLAG | STOCKHOLM | <0,2 M€ | < 10 |
| UK-Muovi Oy | Iisalmi | >10 M€ | 20-100 |
| URS Australia Pty Ltd | East Perth | | |
| URS Australia Pty Ltd | East Perth | | |
| Vibrometric Oy Cosma | Helsinki | | < 10 |
| VIKING I SOLLEFTEÅ AB | SOLLEFTEÅ | <0,2 M€ | < 10 |
