Referências:

North America 
North Carolina Aquarium
Zunino Mushrooms
Puerto Rico Electric Power 
City of Cleveland Waterworks
Baywest Paper
Georgia Pacific
Dupont, Kingston Ontario
Weyerhauser
Kimberley Clark Inc.
Tembec Industries 

Belgium

Arcelor Steel Belgium

Sidmar

Dulcia NV, Konntich

DSM

Germany 
Papier und Karton fabriek Varel

Hanover Papier 
Norske Skog Walsum GMBH
Papierfabrik Hamburg Spremberg
Stahlwerke Bremen GMBH

Netherlands 

Royal Dutch Navy

Dutch Steel Hoogovens

Albert Hein

Organon Teknika BV

Mc Donald’s  

Hoechst

AKZO Nobel

Africa

Military Hospital, Accra
Coco Cola, Ghana
Mankoadze Fisheries LTD Guinness, Accra
Unilever Ghana LTD, Accra
Barry Callebaut Ghana LTD

Sona Breweries NIG PLC

Nigerian Breweries NIG PLC
Unilever NIG PLC
Guinness NIG PLC
Dunlop Tyres NIG PLC
Nestle NIG PLC

South America

Indeco 
Electro Conductores Peruanos 

Votorantim Metais Cajamarquilla

Farmindustria

Brant Servicios Petroleros

Fundicion Callao

Continental Teves  
Industrial Papelera San Luis 

Palsgaard Industri de  México

Industrial Minera México

Celulosa Moldeada

Casa de Moneda de México

 

Asia

Ind. Tech. Research Institute (ITRI)

China Steel Corporation

National Chung Hsing University

Taiwan(Taitung) Water Corporation

Kaohsiung Chang Gung .Hospital

Shanghai Megaforce electronic Plastics

Charoen Pokphand Group
Thai Fermention Industry

Radchaburi Sugar Company
Ruamchai Plastic
Starch factory Korat
Chareonthani Princess Hotel

Hà Nội Pharmaceuticals Factory
Xuân Mai Paper Company
Sai Gon Garment Company
Trị An Sugar Company
An Giang Cattle-feed Factory
Ngọc Nghĩa Rubber Company

Ng petro chemical 
SK petro chemical               
Paper Corea                     
Korea South-East Power Co. 
Korea East- West Power Co.

McDonalds
Fiat India
Jaiveer Chemicals
Venkey’s India LTD
Amardeo Plastics Industries
Bosch LTD
Karnataka Plastic

Japan