TEXAS INSTRUMENTS (USA) – RAYTHEON (USA) – DUPONT (USA) – COLGATE – PALMOLIVE (USA) -RHOME -POULENC (FRANCE) – McDONALD DOUGLAS (USA) – PRATT – WITNEY (USA) – LOCKHEED – MARTIN (USA) -INTEL (USA) – MOTOROLA (USA) – SHELL (USA) – ARCO OIL & GAS (USA) – U.S.NAVY (USA) -U.S.AIRFORCE(USA) – FLUOR (USA) – M3 ENGINEERING & TECHNOLOGY – HOECHST CHEMICAL (GERMANY) – CIBA -CEIGY (SUI) – PFIZER INC.(USA) -FORD MOTOR CO. (USA) -GENERAL MOTORS (USA) – PHELPS DODGE(USA) -SCRIPPS HOSPITAL (USA) -MGM GRAND HOTEL (USA) – WET&WILD PARK (MEXICO) – HYATTINC.(USA) MEXICANA DE COBRE (MEXICO) – NISSAN MOTORS (USA) – CHEVRON SHIPPING (USA) – TOYOTAMOTORS (JAPAN) – BEIJING GAS & ELECTRIC (CHINA) – BETHLEHEM STEEL (USA ) -AMSTEL SHIPPING -(NETHERLANDS) – SUNDT CONSTRUCTION (USA) – FRITO-LAY INC. (USA) – EL SEWEDY CORP. (EGYPT)GENERAL MILLS (USA) – CAROLINA TEXTILE (USA) – U.S.MINT (USA) AT&T (USA) – HGC CORPORATION(CANADA) – TOLEDO SCALE (USA) – ANHEUSER BUSCH INC.(USA) – COORS BREWERY INC. (USA)HINCKLEY/ SCHMITT (USA) – KIKKOMAN (THAILAND) – GREAT ONE FOODS (THAILAND) – BHPENGINEERING (PHILIPPINES) – ARREJ OIL (OMAN) – JOHNESON CHEMICALS (CHINA) – NESCO (EGYPT)ECUADOR NAVY (ECUADOR) – CONSORCIO AGUA (MEXICO) – ALKAN MEDICAL CO. (EGYPT) – ARCO IRISBOTTLED WATER (MEXICO) – CUPATIZIO ICE (MEXICO) – PEPSICOLA (USA) – LOWENBRAU BREWERY(GERMANY) -DIAMOND HOTEL & RESORT (MEXICO) -NASA SPACE CENTER (USA) – BECHTEL CORP.(CHILE) – ROBINSON HOTEL&RESORT (USA) – SHERATON HOTELS CORP. (USA) – AQUA CALIFORNIA S.A.(MEXICO) – H.R.H.MAKTOUM (UAE) – U.A.E. ARMED FORCES (UAE) – PURIFICADORA MONARKA (MEXICO)-HASHIMOTO CORP. (JAPAN) – AL MOHAMADIA BOTTLED WATER (SAUDI ARABIA) – PEMEX (MEXICO) -TSINGSAO BREWERY (CHINA) – GHP ENTERPRISES (JAPAN) – MUDHABIB SANDAO CORP. (MALAYSIA) -QUAN FO CORP. (KOREA) – MITSUBISHI INT”L (JAPAN) – JEDDAH POWER CO. (SAUDI ARABIA) – SHINTAOFOODS (CHINA) – QUALITY WATER SYSTEMS (PUERTO RICO) – KUALA HOTEL (FIJI) – A.I.E.GOLOS (GREECE)- PERRIER (FRANCE) – CORPORATIVA AMBIENTAL (SPAIN) – SHANGHAI UNION (CHINA) – ELGALAT(JORDAN) – PRO-AMBIENTAL (CHILE) – HELSINKI ATOMIC COMM. (FINLAND) – MECTAN CASINO & RESORT(PHILIPPINES) – COCA COLA(USA) – VESTLANDSKE CORP. (NORWAY) – SERTH (TURKEY) – ATCO BOTTLING(INDIA) – AL HASISH EST(SAUDI ARABIA) – WELLNESS INT”L CO. (THAILAND) – KOMANI CORP. (KOREA) -SANDOZ PHAMACEUTICAL(SUI) – HELMUT CORP. (GERMANY) – BLACK&DECKER (USA) -McDONALDCORP.(USA) – SAVANNAH DRILLING(USA) – KEELUNG BOTTLING (TAIWAN) – JAKARTA INDUSTRIAL CORP.(INDONESIA) – CHRYSLER DE MEXICO(MEXICO) – MARRIOTT HOTELS INC. (USA) – EUROPAC CO. LTD .(THAILAND) – GENESIS ENVIRONMENTAL (PHILIPPINES) – AUGER & ASSOC (AUSTRALIA) – GING SENGBOTTLING (CHINA) – SHELL INT”L CORP. (NETHERLANDS) – QUADLUG TRADING CO. (INDONESIA) -CERVECERIA CUAUHTEMOC (MEXICO) – VINICOLA DOMEC (SPAIN) – FIPASA (MEXICO) TEXTILERIAPERUANA (PERU) – ELECTROPURA (MEXICO) – HAWAIIAN ICE(HAWAII) – ALNAVE S.A. (ARGENTINA) -LICONSA (MEXICO) – RAVANAV (TURKEY) – NACIONAL AMBIENTAL(COLOMBIA) – CERVECERIE BATUA(BRAZIL) – BUENOS AIRES MUNICIPAL(ARGENTINA) – POLYTECH INT”L INC.SAUDI ARABIA) -COMMONWEALTH UTILITIES (SAIPAN) – ROXBY COPPER MINE (AUSTRALIA) -GOLFO DE IBIZA (SPAIN) -SUBANG JAVA MUNICIPALITY (MALAYSIA) – BISA BREWERIES (MEXICO) – GRUPO VITRO S.A.(MEXICO) -MERCER COUNTY PRISON (USA) – U.S.COAST GUARD (USA) – SANTA FE ENERGY (USA) CHEVRON (USA) -OY WARTSILA (FINLAND) – SPLONSA PLOVBA PIRAN (YUGOSLAVIA) – BERLIN MUNICIPALITY (GERMANY) -IMPORGERAL (PORTUGAL) – ZAPATA OFFSHORE (ENGLAND) – PHOENIX COMMUNICATIONS (USA) -WHITE PASSTRANSPORTATION (CANADA) – SMITH LLOYD INT”L (NETHERLANDS)., GOLD CORP (USA) -NEWMONT MINING TECHNOLOGIES (USA) – MINERA PENASQUITO (MEXICO) – MINERA MERIDIAN (MEXICO).