| ABB LUMMUS GLOBAL B.V. ABB RANDALL
ABU DHABI OIL COMPANY
AEC WEST, LTD.
AKER OMEGA ENGINEERING
ALBERTA NATURAL GAS COMPANY
ALL AMERICAN PIPELINE
ALLIED CHEMICAL CORPORATION
ALLIED MATERIALS CORPORATION
ALLIED REFINING COMPANY
ALTANA PETROLEUM COMPANY
ALYESKA PIPELINE
AMERADA HESS OIL CORPORATION
AMERADA HESS OIL CORPORATION, VIRGIN ISLANDS
AMERICAN PETROFINA
AMERON ENGINEERING
AMOCO
AMOCO CANADA PETROLEUM COMPANY
AMOCO CHEMICAL
AMOCO PRODUCTION
ANADARKO PRODUCTION COMPANY
ANCO MANUFACTURING & SUPPLY
ANGLO ECUADORIAN OIL COMPANY
ANIC
ANR PIPELINE COMPANY
APCO OIL CORPORATION
APEX OIL
ARABIAN-AMERICAN OIL COMPANY
ARAMCO
ARCO
ARCO ALASKA, INC.
ARKLA CHEMICAL CORPORATION
ARTHUR G. McKEE & COMPANY
ASAMERA OVERSEAS, LTD.
ASHLAND OIL, INC.
ASHLAND PETROLEUM COMPANY
ASTRA, S.A.
ATLANTIA CORPORATION
ATLANTIC REFINING COMPANY
ATLANTIC RICHFIELD CORPORATION
ATLANTIC TERMINAL CORPORATION
ATLAS PROCESSING COMPANY
AUSTIN-RANKIN ENGINEERING
AUSTRALIAN AMERICAN ENGINEERING COMPANY LTD.
AVISTA RESOURCES
BADGER ENGINEERING
BANGLEDESH GAS FIELDS COMPANY, LTD.
BARIVEN CORPORATION
BASIC SYSTEMS
BAY, LTD.
BDR
BECHTEL ENGINEERING
BEELINE REFINING COMPANY
BELL OIL & GAS COMPANY
BELRIDGE OIL COMPANY
BHP BILLITON
BIG WEST OIL COMPANY
BLACK, SIVALLS & BRYSON ENGINEERING
BLAW-KNOX ENGINEERING
BLOOMFIELD REFINING
BRECKENRIDGE GAS
BRITISH PETROLEUM EXPLORATION
BRITISH-BORNEO EXPLORATION
BROWN & ROOT DEVELOPMENT COMPANY
BRUSH WELLMAN
BUFETE
BURLINGTON ELECRIC
C.W. NOFSINGER COMPANY
CABINDA GULF OIL COMPANY
CABOT CARBON COMPANY
CABOT CORPORATION
CAIN CHEMICAL COMPANY
CALTEX
CANADIAN INDUSTRIAL GAS & OIL
CANADIAN PETROFINA, LTD.
CARIBBEAN UTILITIES COMPANY
CBS ENGINEERING
C-E NATCO, INC.
CE POWER SYSTEMS
CE RANDALL
CELANESE CHEMICAL COMPANY
CENEX
CHANNEL SHIPYARD, INC.
CHAS. PFIZER & COMPANY
CH2MHILL
CHEVRON OIL COMPANY
CHEVRON STANDARD, LTD.
CHILES OFFSHORE CORPORATION
CHINA NATIONAL TECHNICAL IMPORT CORPORATION
CHINESE PETROLEUM CORPORATION
CIT-CON OIL CORPORATION
CITIES SERVICE OIL COMPANY
CITIES SERVICE PETROLEUM COMPANY
CMI
COAST PETROCHEM EQUIPMENT
COASTAL JAVELINA
COASTAL STATES GAS COMPANY
COASTAL STATES REFINING COMPANY
COLORADO INTERSTATE GAS
COLT ENGINEERING
COMMERCIAL SOLVENTS CORPORATION
COMPANIA de HIDROGENO de TALCAHUANO (CHT)
CONOCO
CONSOLIDATION COAL COMPANY
CONTINENTAL OIL COMPANY
COOPERATIVE REFINERY ASSOCIATION
COSDEN OIL & CHEMICAL CORPORATION
CRA
CREST ENGINEERING
CROWLEY TAR PRODUCTS COMPANY
CRYSTAL OIL COMPANY
DARENCO
DELHI-TAYLOR OIL CORPORATION
DELTA ENGINEERING
DELTA PACIFIC
DELTA REFINING
DELTA TANK
DERBY REFINING COMPANY
DIAMOND SHAMROCK
DOME PETROLEUM
DORCHESTER GAS PRODUCING COMPANY
DOUGLAS OIL
DOW CHEMICAL (HONG KONG)
DOW CHEMICAL (USA)
DRESSER ENGINEERING
DUBAI NATURAL GAS COMPANY
DUKE FIELD SERVICES
DURAN
DUTCH OIL COMPANY
E & L ENGINEERING
E.I. DU PONT
E.I. DU PONT DE NEMOURS & COMPANY
EASTMAN CHEMICAL COMPANY
ECO PETROLEUM, INC.
ECOPETROL
EDG GROUP
EDGINGTON OIL COMPANY
EGYPTIAN GENERAL PETROLEUM COMPANY
EGYPTIAN NATURAL GAS COMPANY
EHRART & ASSOCIATES
EL PASO NATURAL GAS
EL PASO REFINING
ELGAS
ELLERSLY CORPORATION
EMERY INDUSTRIES, LTD.
EMI
EMPIRE STATE OIL COMPANY
EMPRESS LIQUIDS
ENCANA ENGERGY RESOURCES
ENDEVCO
ENERGY RESEARCH & DEVELOPMENT ADMIN.
ENGINEERING TECHNOLOGY INC. (ETI)
ENGINEERING, PROCUREMENT & CONSTRUCTION, INC.
ENPPI
ENSA
ENSERCH
ENTERPRISE PRODUCTS COMPANY
EPCON
EQUILON PIPELINE
ERGON, INC.
ESCHER HOLLAND
ESSAR OIL, LTD.
ESSO RESOURCES CANADA, LTD.
EVERGREEN NYLON RECYCLING
EXXON
FARMERS UNION CENTRAL EXCHANGE
FINA
FIRST CHEMICAL
FISH ENGINEERING
FLETCHER OIL & REFINING
FLORIDA RESEARCH & DEVELOPMENT
FLUOR DANIEL ENGINEERING
FLUOR ENGINEERING
FLYING 'J' INC.
FOOR ENGINEERING
FORD, BACON & DAVIS ENGINEERING
FORMOSA PLASTICS
FORMOSAN UNION CHEMICAL |
FOSTER WHEELER FRITO-LAY, INC.
FRONTIER REFINING COMPANY
FUEL CELL ENERGY
GAS DEL ESTADO
GAS PROCESSORS, INC.
GASCO
GASTECH
GEA AIREXCHANGERS
GENERAL ELECTRIC
GEO
GEORGIA PACIFIC
GETTY OIL COMPANY
GIANT REFINING
GIBSON PETROLEUM COMPANY, LTD.
GILLETTE SYNTHETIC COAL
GLADIEUX REFINING
GLITSCH, INC.
GOLIAD CORPORATION
GOOD HOPE REFINERIES, INC.
GRAFF ENGINEERING
GREAT WALL ENGINEERING
GREATER WINNIPEG GAS COMPANY
GUAM OIL & REFINING COMPANY
GULF CANADA RESOURCES, LTD.
GULF ENERGY PROCESSING CORPORATION
GULF GAS COMPANY
GULF OIL CHEMICAL
GULF OIL COMPANY, LTD.
GULF OIL CORPORATION
GUPCO
HAMILTON ENERGY
HANOVER-RUSSELL COMPANY
HAWAIIAN INDEPENDENT REFINERY
HEAT & CONTROL, INC.
HENKEL CANADA, LTD.
HENLEY ENGINEERING
HERCULES POWDER COMPANY
HEYL & PATTERSON ENGINEERING
HITACHI ZOSEN
HOECHST CHEMICAL GROUP, INC.
HOFFMAN LaROCHE
HOME OIL COMPANY
HO-TUNG CHEMICAL COMPANY
HOUSTON NATURAL GAS COMPANY
HOVENSA
HOWE-BAKER ENGINEERING
HOYU ENERGY
HUDSON ENGINEERING
HUDSONS BAY OIL & GAS COMPANY
HUGHES ENGINEERING
HUMBLE OIL & REFINING COMPANY
HUNT OIL COMPANY
HUNTSMAN CHEMICAL
HUSKY OIL COMPANY
HUXTABLE HAMMOND ENGINEERING
HYUNDAI HEAVY INDUSTRIES COMPANY, INC.
ILLINOIS MINERALS COMPANY
IMC CHEMICALS
IMPERIAL OIL COMPANY
INDUSTRIAL GAS CORPORATION
INDUSTRIAS RESISTOL
INDUSTRIE MECCENICHE SCARDELLATO (IMS)
INTE FINANCIAL
INTERNATIONAL GAS ENGINEERING, LTD.
INTEVEP
IRAN-PAN AMERICAN OIL COMPANY
J.L. DAVIS
JAMES UNITED STEEL, LTD.
JANNAH HUNT OIL COMPANY
JAPAN PETROLEUM COMPANY
JAPAN SYNTHETIC RUBBER COMPANY
JOHN DEERE CHEMICAL COMPANY
JORD ENGINEERING
KAIGNIN ENGINEERING
KANEB PIPELINE
KERNRIDGE OIL
KERR McGEE CHEMICAL, LLC
KERR-McGEE OIL INDUSTRIES
KIKKOMAN FOODS, INC.
KOBE STEEL, LTD.
KOCH HYDROCARBON IND.
KOCH INDUSTRIES
KOCH REFINING
KTI ENGINEERING
KTI LAS PROCESSORS
LA GLORIA OIL & GAS COMPANY
LADD PETROLEUM COMPANY
LAGOVEN, S.A.
LAJET, INC.
LAMONT GAS PRODUCTS
LANCASTER STEEL
LaROUCH
LG ENGINEERING
LG-CALTEX GAS COMPANY
LIG LIQUIDS
LINDE
LITTLE AMERICAN REFINING COMPANY
LITWIN ENGINEERS & CONSTRUCTION
LOCKWOOD GREEN
LONGVIEW REFINING COMPANY
LOTEPRO
LOUISIANA LAND & EXPLORATION
LUCKY ENGINEERING
LUMMUS ENGINEERING
LUZ
M.W. KELLOGG
MAERSK OIL QATAR
MALONEY-CRAWFORD
MANNESMANN ANLAGENBAU AB
MAPCO
MARATHON OIL COMPANY
MARATHON PETROLEUM
MARKWEST HYDROCARBON
MARLEX OIL & REFINING
MARSULEX INC.
MATADOR PIPELINE
MAXUS CORPORATION
MAXUS SOUTHEAST SUMATRA
M-C POWER CORPORATION
McDERMOTT
McGILL, INC.
McKEE ENGINEERING
McNEIL POWER STATION
McWOOD CORPORATION
MENEVEN
MESA
MHG INTERNATIONAL
MICHIGAN CONSOLIDATED GAS
MID AMERICA PIPELINE COMPANY
MITCHELL GAS SERVICES
MITSUBISHI
MOBIL EQUATORIAL GIUNEA
MOBIL INTERNATIONAL OIL COMPANY
MOBIL OIL CANADA, LTD.
MOBIL OIL COMPANY
MOBLEY ENVIRONMENTAL
MON-MAX ENGINEERING
MONSANTO CHEMICAL COMPANY
MURPHY OIL USA, INC.
MUSTANG ENGINEERING
NANHAI WEST OIL COMPANYPASCO INCORPORATED
NARCO
NATIONAL COOPERATIVE REFINERY ASSOCIATION
NATIONAL IRANIAN OIL COMPANY
NATIONAL TANK COMPANY
NATURAL GAS PIPELINE OF AMERICA
NERGAS CORPORATION
NEVILLE CHEMICAL COMPANY
NEWHALL REFINING
NIIGATA ENGINEERING
NKK
NOELL INDUSTRIES
NOFSINGER -NOTTBERG COMPANY
NORDIC COGEN
NORTH AMERICAN TURBINE CORPORATION
NORTH OKEMAH GASOLINE PLANT
NORTHERN NATURAL GAS COMPANY
NORTHWEST PIPELINE CORPORATION
NOUVELLES APPLICATIONS TECHNOLOGIES
NOVA GAS TRANSMISSION
NOVAGAS CLEARINGHOUSE, LTD.
NYE ENGINEERING
OASIS OIL COMPANY
OFFICE OF COAL RESEARCH
OIL & NATURAL GAS COMMISSION OF INDIA
OIL REFINERIES ADMINISTRATION
OLDS GAS, LTD.
OLSEN COMPANY
OMAN-PETROLEUM DEVELOPMENT
ONYX ENGINEERING
ORE-IDA, INC.
ORIENTAL ELEPHANT
ORION REFINING CORPORATION
ORTLOFF CORPORATION
OXID, INC.
OXOCHEM ENTERPRISE
PACIFIC ALASKA LNG |
PACIFIC GAS & ELECTRIC PAKISTAN PETROLEUM
PAN AMERICAN PETROLEUM CORPORATION
PAN CANADIAN
PARAMOUNT PETROLEUM
PARSONS ENGINEERING
PCC
PEMEX
PENNSYLVANIA REFINING COMPANY
PENNZOIL UNITED, INC.
PERTAMINA
PETRO STAR
PETROBAR
PETROBEL
PETROBRAS
PETROFINA CANADA, LTD.
PETROLANE INCORPORATED
PETROLEOS DE VENEZUELA
PETROLEOS MEXICANOS
PETROLEOS PARAGUAYOS
PETROLEUM AUTHORITY OF THAILAND
PETROLEUM PLANT TECHNOLOGIES
PETROLITE CORPORATION
PETROVIETNAM
PHEONIX CONSTRUCTORS
PHILADELPHIA GAS
PHILLIPS PETROLEUM COMPANY
PIPELINE TECHNOLOGIES
PLACID OIL COMPANY
PLAINS ENGINEERING
PMI
PONA ENGINEERING
POWERINE OIL COMPANY
PPG INDUSTRIES, INC.
PRATT & WHITNEY ENGINEERING
PREMIER PETRO-CHEMICAL COMPANY
PRIDE REFINING COMPANY
PRITCHARD ENGINEERING
PROCESS TECHNOLOGIES INTERNATIONAL
PROCON ENGINEERING
PRO-QUIP
PROVIDENT RESOURCES, LTD.
PROVO GAS PRODUCERS, LTD.
PSB
PT McDERMOTT ENGINEERING
PUBLIC SERVICES ELECTRIC & GAS
PURE OIL COMPANY
QUAKER STATE
QUALCOMM
QUANTUM CHEMICAL
QUEST
R.L. FRAILEY COMPANY
RALPH M. PARSONS ENGINEERING
RANDALL ENGINEERING
REFINERIA DE PETROLEOS MANGUINHOS SA
REFINERIA PARAGUAYA, S.A.
REFINING ASSOCIATES, INC.
RENAISSANCE ENERGY
REXENE
RHODIACETA
ROCK ISLAND OIL COMPANY
ROCK ISLAND REFINING
ROUNDS & STEWART NATURAL GASOLINE COMPANY
SANDWELL ENGINEERING
S.I.P. ENGINEERING
SAMEDAN POWER
SAMSUNG ENGINEERING
SANDIA
SAUYER TANK
SCHILLER ENTERPRISES
SCOTTISH ENGINEERING
SEBLIMA
SEECO PETROCHEMICAL
SELAS**
SEMBAWANG
SEMINOLE PIPELINE COMPANY
SESLER & CAFFEY ENGINEERING
SHELL
SHELL CALIFORNIA PRODUCTION, INC.
SHELL CANADA RESOURCES, LTD.
SHELL CHEMICAL COMPANY
SHELL OIL COMPANY
SIBP
SID RICHARDSON CARBON COMPANY
SID RICHARDSON GASOLINE COMPANY
SIGNAL OIL & GAS COMPANY
SINCLAIR MEDITERRANEAN PETROLEUM
SINCLAIR OIL & GAS
SIP ENGINEERING
SIREX, LTD.
SK GAS COMPANY, LTD.
SKELLY OIL COMPANY
SNYDER OIL COMPANY
SOCALTRA
SOHIO CHEMICAL COMPANY
SOHIO PETROLEUM
SOLAR TURBINES, INC.
SOLUTIA, INC.
SOUTH HAMPTON COMPANY
SOUTHWEST ENGINEERING
SOUTHWEST RESEARCH INSTITUTE
SOUTHWESTERN OIL & REFINING
SPRAGUE OIL COMPANY
SRI-U-THONG
STANDARD OIL COMPANY
STEARNS CATALYTIC
STEARNS-ROGER ENGINEERING
STERLING CHEMICAL COMPANY
STEUART PETROLEUM COMPANY
STONE & WEBSTER ENGINEERING
SUN OIL
SUN REFINING & MARKETING
SUNRAY MID-CONTINENT OIL COMPANY
SUNTECH, INC.
SUPERIOR OIL COMPANY
T.H. RUSSELL COMPANY
TAIWAN FERTILIZER COMPANY
TATHAM OFFSHORE
TECHNIP
TENNESSEE GAS TRANSMISSION COMPANY
TESORO PETROLEUM COMPANY
TEXACO CANADA RESOURCES, LTD.
TEXACO, INC.
TEXAS EASTMAN
TEXAS INSTRUMENTS
TEXAS OIL & GAS COMPANY
THAI ASPHALT COMPANY
TIDEWATER OIL COMPANY
TOROMOUNT
TOSCO CORPORATION
TOTAL PETROLEUM COMPANY
TRANSAMERICAN REFINING CORPORATION
TRANSCO EXPLORATION
TRANSCONTINENTAL GAS PIPELINE
TREND CONSTRUCTION
TRI SERVICE DRILLING COMPANY
TRUE OIL COMPANY
T-THERMAL
TURBO POWER MARINE SYSTEMS
TURBO RESOURCES, LTD.
U.S. ARDEC
U.S.A. PETROCHEM CORPORATION
ULTRAMAR, INC.
UNICAL THAILAND, LTD.
UNION OIL COMPANY
UNION OIL COMPANY OF CALIFORNIA
UNION TEXAS NATURAL GAS CORPORATION
UNITED STATES AIR FORCE
UNITED STATES NAVY
UNIVERSAL MAINTENANCE
UOP COMPANY
UOP PROCESS DIVISION
VALERO HYDROCARBONS
VANSON ENGINEERING
VENETANK
VICKERS PETROLEUM CORPORATION
VISTRON CORPORATION
VITOK ENGINEERING
VNT INDUSTRIES
WARNER HENKE ENGINEERING
WARREN PETROLEUM COMPANY
WASHINGTON GROUP
WERTHERBY ENGINEERING
WESTERN DESERT OPERATING COMPANY
WESTERN ENERGY
WESTERN GAS RESOURCES
WESTERN LNG TERMINAL COMPANY
WESTFIELD ENGINEERING
WESTINGHOUSE
WILLIAMS BROTHERS ENGINEERING
WILLIAMS ENERGY
WILLIAMS FIELD SERVICES
WITCO CHEMICAL CORPORATION
WOODS PETROLEUM
WORLEY ENGINEERING
WRIGHT TECHNIP, LTD.
YACIMENTOS PETROLIFEROS FISCALES
YOSU ENERGY
YUKONG, LTD. |
