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Algeria
Argentina
Australia
Austria
Bangladesh
Bolivia
Brazil
Bolivia
Bulgaria
Canada
Cayman Islands
Chile
China
Colombia
Cyprus
Czech Republic
Denmark
Ecuador
Egypt
Finland
France
Germany
Greece
Guatemala
India
Indonesia
Ireland
Israel
Italy
Japan
Jordan
Kazakhstan
Kuwait
Malaysia
Mexico
Nigeria
Norway
Oman
Pakistan
Peru
Phillipines
Poland
Qatar
Romania
Russia


Algeria
Societe Safir
Sonatrach, Ain- El- Bia
Sonatrach, Ouargla
Argentina
A. Evangelista S.A.
Carranza, Daniel
C.L.L. S.A.
Darnell Engineering Del Plata S.A.
Hanover Argentina
Nalco Argentina S.R.L
Repsol Quimica-Tarragona
Universidad Tecnologica Nacional

Australia
Anglo American Metallurgical Coal Pty Ltd.
AWE Ltd.
Chemecalc
CSIRO Energy Technology
CSIRO Minerals
G. A. McKee & Associates Pty. Ltd.
GASCO (Aust) Pty. Ltd.
Gas Services International
GHD Pty Ltd.
InterOil Australia Pty Ltd
Magellan Petroleum Australia Limited
Monsanto Australia Ltd.
Mosaic Oil NL
Naturally Fractured Development Pty. Ltd.
PalCom Systems Pty. Ltd.
Power and Water Corporation
Rhine Ruhr Pty. Ltd.
Southern Oil Refining Pty. Ltd.
Swinburne Institute Technology
Symex Holdings Limited, Australia
The University of Newcastle
The University of New South Wales
Wood Group Mustang
Worley Engineering International
Zektingroup

Austria
IMI CCI
Leobersdorfer Maschinenfabrik AG (LMF)
Neuman & Esser GmbH

Bangladesh
Bangladesh University of Engineering & Technology

Bolivia
TxTechnologies

Brazil
CCR - Cooperativa Trab. Tec. Reunidos
Escola de Quimica da UFRJ
Planave
Pro-Tech Engenharia Quimica S/S Ltda.
Talante Construction Engrg.
Universidade Estadual de Campinas
Universidade Federal of Paraiba
Universidade Federal Rural do Rio de Janeiro

Bulgaria
University of Chemical Technology and Metallurgy

Canada
AvTech Engineering
Brenntag Canada Inc.
Dyadem International Ltd.
Envirogenics Technologies Inc.
Gas Liquids Engineering Ltd.
Global Thermoelectric Inc.
GreenField Ethanol
Hydrogenics Corp.
Keystone Field Engineering Inc.
NALCO Champion | An Ecolab Company
Natural Resources Canada
ORMAT Canada
Penn West Energy
Penn West Petroleum
Pragmathic Inc.
Production Services Network
Propak Systems Ltd.
ProShot Technical Services
Qualitas International Inc.
Quest TruTec, Ltd
Soleen Energy
TG Engineering Ltd.
Tri-Ocean Engineering
Tuxtla Gas Engineering Company
Value Creation Inc., Canada
Vepica Ltd.

Cayman Islands
Consolidated Water Co. Ltd.

Chile
Foster Wheeler Chile S.A.
Green Ingenieria y Consultoria Ltda.
Termelec Ingenieria Ltda.

China
Beijing Petroleum Plan & Design Institute
Chinese Academy of Science
GE Oil & Gas
GTS Global, Inc.
Harbin Refinery Design Agency
Jiangsu New G&M Science And Technology Development Corp. Ltd.
Jilin Chemical Industry Corp.
Nanhai East Oil Corp.
Nanjing University
Research Institute of CNPC Jilin Chemical Engineering Corp.
Research Institute of Yangzi Petrochemical
SPA Research Institute of Natural Gas Technology
Yangzi Petrochemical

Colombia
Consultores de Colombia
Copco Ltd.
Foster Wheeler Andina S.A.
Occidental de Colombia, Inc.
OTEPI Consultores, S.A., Colombia
Petroproceps S.A.S.
Weatherford Colombia Ltd.

Cyprus
AIRCO Engineering & Trading Ltd.

Czech Republic
AS Chemoprag, a.s.

Denmark
ABB A/S
AGA A/S
Atkins Danmark A/S
COWI A/S
CPKelco Aps
Dansk Olie og Naturgas A/S
Institute for Kemiteknik
International Steel Consulting A/S
LICengineering A/S
Maersk Olie og Gas AS
Odegaard & Danneskiold -Samsoe
Ramboll Denmark
Union Engineering, Denmark

Ecuador
Occidental Exploration & Production Co., Ecuador
Petroamazonas Ecuador S.A.

Egypt
BP Amoco GUPCO/Egypt
National Research Centre
The Egyptian General Petroleum Corporation (EGPC)

Finland
Neste Engineering - Finland
PI-Consulting Ltd.

France
Air Liquide France
Axima Refrigeration
ENTREPOSE Contracting
Foster Wheeler France
Gaz de France
Heurtey Industries Provence
Hydrocarbon Engineering
Kempro
Perenco
Sanofi Chimie
Sofregaz
Technip France

Germany
Aral Forschung GmBH / BP
BASF SE
Buderus Heiztechnik GmbH
Cold & Hot
Deminex GmbH
E.ON IS GmbH
Erdoelchemie GmbH
Erdoel-Raffinerie Neustadt GmbH & Co (ERN)
GOC Engineering GmbH
Haas Engineering
ILF Consulting Engineers
Lauterbach Verfahrenstechnik
Neuman & Esser Deutschland GmbH &Co. KG
Schmack Carbotech GmbH
Siemens AG
SKW Stickstoffwerke Piesteritz GmbH
Technical University of Clausthal
VTA Verfahrenstechnik und Automatisierung GmbH

Greece
Asprofos Engineering
C&M Engineering SA
Consolidated Contractors International Co.
ENOIA S. A.
Hellenic Petroleum A.E.
Hellenic Petroleum S.A.

Guatemala
Perenco Gautemala

India
Amines and Plasticizers, Ltd.
Bharati Vidyapeeths College of Eng.
Calcutta University
Central Leather Research Institute (CLRI)
Centre for High Technology (CHT)
Chennai Petroleum Corp. Ltd.
Datta Meghe College of Engineering
Deepak Fertilizers & Petrochemical Co. Ltd.
Engineers India Ltd., Process Group (EIL)
Engineers India Ltd., R & D Group
FEDO (Fact Engr. & Design)
Finepac Structures Pvt., Ltd.
Gas Authority of India, New Delhi
Gas Authority of India, NOIDA
Gas Authority of India, PATA
G.H. Patel College of E & T
Gas Processing Equipment Pvt. Ltd. (GPEL)
GE Oil & Gas
GSE EnVision LLC
Guha Industries
Hindustan Petroleum Corp.
IMI CCI
Indian Institute of Petroleum
Indian Institute of Technology, Mumbai
Indian Oil Corp. (IOCL), Barauni
Indian Oil Corp. (IOCL), Guwahathi
Indian Oil Corp. (IOCL), Haldia
INDTECH
IES - IPS Academy Indore
IOGPT, ONGC
Laxminarayan Institute of Technology
Madras Refineries Ltd.
Mecon Limited
MGM College of Engineering & Technology
National Chemical Lab.
National Institute of Ocean Technology (NIOT)
Pondicherry Engineering College
R.V. College of Engineering
Regional Engineering College
Siddaganga Institute of Technology
Simon India Ltd.
Spectra Dynamics Pvt. Ltd.
Vellore Institute of Technology

Indonesia
BPPT Thermal (LSDE)
PT Dinamika Teknik Persada
PT Chandra Asri
PT Elnusa
PT. Fajar Mas Murni (FMM)
PT. Inti Karya Persada Teknik (IKPT)
PT Trans Nusantara Multi Construction
Unocal Indonesia Ltd.

Ireland
Queen's University of Belfast/ Dept. of Chem. Engineering
University of Limerick

Israel
Dr. Gideon Harel, consultant
J. Eilon Process Engineering
KTE Co. - Dr. Katz Technologies & Enterprises
MADA Energie Ltd.
Ormat Israel

Italy
Acetati SPA
BITOLEA S.p.A.
Brofind
CDB Engineering SpA
DEC IMPIANTI S.p.A.
Foster Wheeler Italiana, SPA
GE Oil & Gas
Istituto D'Istruzione Superiore (ITIS) Torricelli
Renco Spa
Saras S.P.A. Raffinierie Sards
Solvay Solexis S.P.A.
Universita di Genova
Universita di Milano

Japan
Asahi Chemical Ind.
C/O Hipotech
Chiyoda Corp.
Epsilon Co., Ltd.
Fuji Oil Co. Ltd.
Hitachi Ltd.
Hitachi Plant Technologies Co. Ltd.
Hitachi Techno Engineering Co. Ltd.
Hitachi Zosen
Japan National Oil Corporation
Japan Petroleum Exploration (JAPEX)
JGC Corp
JX Engineering Corporation
Kobe Steel LTD
Kureha Techno Eng Co., Ltd.
National Institute of Advanced Industrial Science and Technology (AIST)
Niigata Construction
Nippon Ketjen Co.,Ltd.
Nippon Oil
Nippon Petrochemical Co., Ltd.
Nippon Steel & Sumikin Engineering Co. Ltd.
Nippon Steel & Sumikin Pipeline Engineering Co. Ltd
NKK Corporation
Polyplastics Co. Ltd.
Sanyo Electric Co. LTD
Showa Denko, Kawasaki Plant
Showa Denka, Oita Plant
Showa Denko, Seisangijyutsu Center
Sumitomo Heavy Industries
Takeda Chemical Industries
The Institute of Applied Energy, Japan
Toyo Gosei Kogyo Co., Ltd.
University of Kitakyushu
Wave Engineering Corp.

Jordan
Jordan University of Science and Tech.

Kazakhstan
Maersk Oil Kazakhstan

Kuwait
Kuwait University
Rowther Salim Abbas, Consultant
WorleyParsons Kuwait W.L.L.

Malaysia
Antara Mills SDN BHD
BP Amoco Chemical ( M ) Sdn. Bhd.
Idemitsu SM Malaysia Sdn. Bhd.
Malaysian Institute for Nuclear Technology Research (MINT)
Petronas Methanol (Labuan) Sdn Bhd
Petronas Penapisan
Rhine Ruhr Distillation Engineering, Malaysia
Taylor's College Sdn Bhd
Terengganu Advanced Technical Institute
University of Nottingham Malaysia Campus
Universiti Teknologial Malaysia (UTM)
Worley Engineering

Mexico
Celerina Ayala, Miguel Farfan, Francisco Toledo; Academic Mexico
Innophos, Inc.
Instituto Tecnologico de Celaya
Instituto Tecnologico de Lazaro Cardenas
Instituto Tecnologico de Minatitlan
Instituto Tecnologico de Orizaba
Instituto Tecnologico de Veracruz
ITESCO (Instituto Tecnologico Superior de Coatzacoalcos)
OPC Ingenieria y Construccion S.A. de C.V.
Praxair Mexico
PYPSA
Reyna Arredondo Toledo
Rhacor S.A. de C.V.
Ultra Ingenieria S.A. de C.V.
Universidad Autonoma de San Luis Potosi
Universidad Autonoma de Tamaulipas
Universidad Juarez Autonoma de Tabasco

Nigeria
ILF Engineers Nigeria Ltd.
Nigerian National Petroleum Corporation
University of Benin

Norway
Golar LNG
Hoegh LNG AS
Process Support AS
SINTEF Petroleum Research
Statoil ASA
Wartsila Oil & Gas Systems AS

Oman
Sultan Qaboos University

Pakistan
ENAR Petrotech Services
Fauji Fertilizer Company Limited
FFC-Jordan Fertilizer Company Limited
OMV (Pakistan) Exploration G.m.b.H.
Ocean Pakistan Limited
Pak-Arab Refinery (PARCO)
Zishan Engineers (Pvt) Ltd.

Panama
Ecotek Engineering & Technology, Inc.

Peru
Hidroquimica Industrial S.A.
Inspectra S.A.
Universidad Nacional Ingenieria

Phillipines
De La Salle University-Manila
University of Santo Tomas
Nalco Philippines

Poland
GE Company Polska SP.z o.o.
University of Mining and Metallurgy

Qatar
College of the North Atlantic - Qatar
COWI (Qatar) Consulting Engineers
Dr. Bassem Salman
Maersk Oil Qatar
Ramboll Qatar A/S

Romania
S.C. Armax Gaz S.A

Russia
JSC Acron
JSC Halogen
JSC Spetsneftegazproekt
Perm National Research Polytechnical University
Ufa State Petroleum Technological University
VNIIGAZ

Saudia Arabia
Alberts, Les
AMCDE
Aramco Services Company
Azmi Abdulhadi & Abdulla Al-Moaibed Consulting Engineering Co. (AMCDE)
Jazan University
King Abdulaziz University
King Fahd University
King Saud University
Nalco Saudi Co. Ltd.
Pi-Consult

Serbia
University of Belgrad

Singapore
Engelhard Asia Pacific, LLC
Foster Wheeler Asia Ltd.
GE Oil & Gas
National University of Singapore
Sembawang Marine
Singapore Polytechnic

Slovakia
ISTROCHEM a.s.

Slovenia
University of Maribor

South Africa
ChemDes Pty. Ltd.
Foster Wheeler South Africa (Pty) Ltd.

South Korea
Advanced Technology Engineering Service LTD (ATES)
Daewoo Shipbuilding & Marine Engineering, Ltd.
DC Chemical Co.,Ltd.
Gyeongsang National University
IMI CCI
Kimyoung Engineering for KGS, Korea
Konyang University
Korea Gas Safety Corporation
KIER - Korea Institute of Energy Research
Korea Institute of Energy and Resources
Korea Institute of Machinery & Materials
Korea Steel Chemical Co.
Kyung In Energy
Poohung Photo-Chemical Co., Ltd.
RIST
Samdoo Total Engineering Co.
Samsung Fine Chemicals Co., Ltd. (formerly Korea Fertilizer & Chemical Co. Ltd.)
Samsung Petrochemicals
SK Chemicals Co., Ltd.

Spain
Foster Wheeler Iberia, S.A.
Instituto Quimico de Sarria S/N
Petronor
Repsol Petroleo-Madrid
Repsol Petroleo-Puertollano
Repsol Petroleo-Tarragona
Repsol Quimica-Santander
Tecnicas Reunidas
Universidad de Murcia
Universidad de Tarragona
Universidad de Vigo

Sweden
Aviosol AB
Catator AB
Nynas Petroleum A B

Taiwan
Chinese Culture University
Chung Cheng Institute of Technology
Feng Chia University
Tam Kang University
Tunghai University
YAWA Engineering

Thailand
Harrods Energy (Thailand) Ltd.
Prince of Songkla University

The Netherlands
Albemarle Catalysts Company LP
BASF SE
Compressor Systems Holland
Consad Netherlands B.V.
Cumae B.V.
Eltacon Engineering B.V.
Frames Process Systems B V
Gastreatment Services B.V.
Hogeschool Enschede
Imtech System, Business Unit Analyser Systems
J. R. Associates
KCI Engineering BV
Netherlands Energy Research
Noordgas Transport B.V.
Oakwell Compressor
Petrogas Gas-Systems B.V.
PitPoint Clean Fuels
Profimatics & Co GMBH
Siemens Demag Delaval Turbomachinery B.V.
Siemens Nederland N.V.

Trinidad and Tobago
Techniche [Trinidad] Ltd

Ukraine
Poltava Petroleum Company
STG-Engineeering Representation

United Arab Emirates
ADCO
ADGAS
ADMA-OPCO
ADNOC E & P
ADNOC Processing
GASCO
Masila Petroleum Exploration and Production Company
Novus West Asia Limited
Petrofac Resources International
SUMACO UAE

United Kingdom
Axsia Howmar Ltd.
Babcock-Wilkinson
BiTech Petroleum
Boustead International Heaters Ltd
Cameron Process Systems/ Europe, Africa, Caspian &: Russia
Cedarconsult Ltd.
DCAN Ltd.
Don Harrold
Elf Enterprise Caledonia Ltd.
Eurotek Refining Services Ltd.
Foster Wheeler Energy Ltd-U.K.
Frank Cross Ltd.
Genesis Engineering Consultants
Hydrocarbon Engineering
Linde Cryogenics LTD
Nalco
Oil & Gas Machinery Limited
Petroleum Geo Services (PGS Reservoir, PGS Tensor)
Phillips Imperial Petroleum PLC (Petroplus)
Rocky Mountain Limited
CF Industries, Terra Nitrogen
Tractebel Industry Engineering
University of New Castle Upon Tyne
University of Sunderland
WSAtkins (formerly Ventron)

United States
A-Carb LLC
Acid-Amine Technologies, Inc.
ACS Industries
ADAIR Engineering, Inc.
ADM
Advanced Carbon Products LLC
AGEC Solutions LLC
Aggreko LLC
Air-X-Changers
Aka Energy Group, LLC
Albemarle Catalysts Company LP
Alta Mesa Resources, Inc.
Altex Technologies
American Shale Oil, LLC
Animas Valley Energy Services, LLC
Antero Engineering, LLC
Applied Consultants, Inc.
Dow Chemical (ANGUS Chemical Company)
Ariel Corp
Armellini Inc.
Ascent Engineering
Atlanta Technology Group
Atlantic LNG Co.>br> Autoliv
B&B Technology, Inc.
Babcock Eagleton
Babson College
Badger Midstream Energy, LP
BASF Catalysts LLC
BEI Corporation
Boeing Company
BP Amoco Corp.
Brandon Professional Engineering, Inc.
Brinderson Engineers and Constructors
British Petroleum
Brookhaven National Laboratory
Brown & Root (Halliburton)
Buffalo Color Corporation
Burrow Global Services, LLC
California EPA
Cameron Compression Systems
Calumet Specialty Products Partners
Cameron
Cantera Resources
Capstone Turbine
Cardinal Resources
Cascade Separations
Centerpoint Energy Field Services
Ceritas Energy, LLC
CF Industries Inc.
Charendoff, Marc
ChemDesign, Inc. (CDI Projects)
ChemE Inc.
Chem-Engineering Services
Chemical Process Company
ChemStress Consultant Co
CH-IV International
Christian Brothers University
Citgo Petroleum
Clean Energy Systems, Inc.
CO2-Global LLC
Coastal Javelina, Inc.
Colorado School of Mines
Comprehensive Energy Services
ConocoPhillips
Continental Controls
Cooper Energy Services
Crestwood LP
Crimson Renewable Energy
Crimson Resource Management
Croft Production Systems Inc.
Croll-Reynolds
Cross Oil
Cryogenic Consultants
Cunningham Projects, LLC
Custom Energy Construction Inc. (CECON)
Cytec Industries
Daelim America
Daylight Engineering
DCCK Engineering
Delta Process Management
Denbury Resources Inc.
Devon Energy
Devon Gas Services, L.P.
Dew Point Control, LLC
Diversified Projects Inc.
Donald K. Judd Inc.
Doty Scientific Inc.
Dow
DPSI (Diversified Project Services International, Inc. )
Drake, Jacob
Dresser Rand
Dresser-Rand, NY
Duke Energy
Dyno Nobel
EADS & Associates
Earth Tech
ECL
Ecolab
Elder Engineering
Eltron Research and Development
EN Engineering
EN Wen
Encore Acquisitions
Enerfin Resources Company
Energy Acquisition Corp.
Energy Technologies Corp.
En-Fab
Engineered Pipeline Systems
Engineering Systems
Englobal Engineering
EnviRes LLC
EnVision Systems Inc.
EPC, Inc.
Evonik Degussa Corporation
Fish Engineering (KTI Fish)
Flogistix
Fluor Daniel
Ford, Bacon & Davis
ForeRunner Corporation
Formosa Plastic EG
Formosa Plastics Olefin
Foster Wheeler
Frederick Logan Company, Inc.
Freese and Nichols, Inc.
FSI International
G2 Partners, LLC
Gardner & Clark
Gardner Denver
Gas Compressor Consultants
Gas Equipment Engineering Corp.
Gas Technology Institute
GC Environmental, Inc.
GE Oil & Gas
Generon IGS
Glitsch Inc.
Global Resource Industrial and Power
Glycol Specialists Inc.
Greene & Associates Inc.
Griffin Engineering and Technical Services, Inc.
Griffith Consulting, LLC
GSE EnVision LLC
Gulf Interstate Engineering Company
Gulsby Engineering
H2 PowerTech, LLC
H&M Mechanical Constructors, Inc.
Harif Atobajeun
Hatch & Associates
Hero Inc
Hilcorp Energy
HS Resources
Hunt Refining
Hydrocarbon Processing Solutions
Hydrogen Burner Technology (HBT)
IDS Engineering
IES
IMI CCI
Imperial Building Services, Inc.
INB Engineering Inc.
Indtech
Ingevity
Intellergy Corporation
Intellimotive Systems
International Fuel Cells
Johnson Controls Inc.
J. L. Humphrey & Associates
J. R. Simplot
Jacob & Associates
John Brown Engineering
Johnson Controls
Jordan Technologies, Inc.
JW Energy
JX Nippon Chemical Texas Inc.
KBR
Kern Oil & Refining
Kinder Morgan Inc.
KOBELCO Compressors America, Inc.
Langston Consulting, Inc.
Lauren Engineers & Constructors
Lawrence Livermore National Lab.
Leesburg Asphalt
Legacy Measurement Solutions
LMP
Lion Oil Company
Longview Gas Company
LTDI, Inc.
M&H Enterprises
Mahalingam, Dr. (WSU)
Marcha Donna Thomas-Blades-Academic
Mariner Energy Inc.
MarkWest
Maverick Engineering
MCM Investments
Mesoscopic Devices, LLC
Midrex Technologies
MKEC Engineering Consultants, Inc.
Murphy Oil Corp.
NALCO Champion | An Ecolab Company
NASA
NATCO Group
Nexant, Inc.
Nexidea, Inc.
Nicholas Consulting Group, Inc.
Nicol & Assoc
Noble Energy, Inc.
NorthStar Energy Services, Inc.
Northstar Industries, Inc.
NOV-Brandt
NuStar Energy LP
NV Energy
Occidental Permian, Ltd. (formerly Altura Energy)
Offshore Process Services, Inc. (OPS)
Ohio University
Oil & Gas Solutions
Onstream Operations, LLC
ORMAT USA
Oxy Inc.
Pacific Coast Energy
Parsons Brinckerhoff (PB Energy Storage Svcs)
Paton Engineers and Constructors
Pauley Gas Conditioning
PCS Nitrogen
Pearl Development
Peerless Mfg. Co.
Peregrine Group
Perenco LLC (formerly CMS Oil & Gas)
Permian Engineers & Consultants
PESCO-BEAM Environmental Solutions
Petra Consultants
Petro Project Engineering
PetroTex Hydrocarbons, LLC
Phillips Petroleum Company
Phoenix Engineering
Pinpoint Engineering
Pipeline Strategies & Integrity, LLC
Plant Process Equipment
Polaroid Corp.
Porcelli Consultants
PPE Projects
Prairie View A&M University
Primus Green Energy, Inc.
Principal Technology Engineering
Probex Corp.
Process Eng. Consultants
The Process Group LLC
Process Management Engineers
Process Modules, Inc.
Process Recovery Systems
Production Technology Services (PTS)
Proplant, Inc.
Pyland and Associates, Inc.
Qestek Engineering
Quad Consulting
Quadren Cryogenics
Quality Monitoring & Control (QMC)
Quicksilver Resources Inc.
R & M Associates
Recon Engineering
REEMA International
Refrigerant Exchange
Ref-Chem Corporation
REFTECH
Regard Resources
REXtac, LLC
Riata Energy
River Flats Testing Corp.
RJ Engineering Systems Inc.
RNB Engineering
Roth Technical Assoc.
Sachem
SAIC
SandRidge Energy
Saulsbury Industries, Inc.
Savante Inc.
Schneider, Raymond
SCFM Constructors, Inc.
Science International Inc.
Scientific Utilization, Inc.
Select Energy Services
Siemens Demag Delaval Corp.
Southern California Gas Co.
South-Tex Treaters
Spec Services
Spectra Gases, Inc.
Spectrum Engineering
SRM International, Inc.
StarRotor Corporation
Statoil
Sterling Energy Co.
Sundyne Corporation
Sverdup Corporation
TAS Energy
Technip USA Corp.
Tejas Gas Corporation (now Tejas Energy, LLC with Shell)
Testengeer, Inc.
Texaco Extreme Technology
Texas A & M Praire View
Texas A & M University - College Station
Texas A & M University - Kingsville
Texas Turbine, Inc.
The Arrington Corporation
The Distillation Group
The Process Group
TITAN Engineering, Inc.
Torch Operating Co.
TOSCO Refining - Rodeo
Tourtellotte & Associates
Towa Engineering
Trans Ionics Corporation
TransGreen Energy
TRC Companies Inc.
Trigon Sheehan LLC
Trimeric Corporation
Tucker Gas Processing
Turner, Mason & Co.
Union Carbide Corporation - USA (now Dow Company)
UniversalPegasus International (formerly ECI Engineers)
University of Alabama
University of Louisiana Lafayette
University of Rochester
University of Tennessee Space Institute
Unocal
UOP Process Division
US Army RTTC
US Army, CERDEC
Venoco Inc.
Veritas Gas Processing
Vermilion Cliffs Partners
Vintage Petroleum
Visin, Wayne
Visteon
Wanderman Associates, Inc.
Waste Management
Wellman Inc.
Wesco Energy Corp.
West Texas Gas, Inc.
Western Research Institute
Westfield Engineering Services
Westport
Whitlow EPC
Worley International Inc.
Wyeth Pharmaceutical Research
XTO Energy Inc.
Xytel Corporation
York International
Young, Marc
Young Engineering
Zap Engineering & Construction Services, Inc.
Ze-Gen

Venezuela
OTEPI Consultores, S.A.
PCI Ingenieros Consultores, S.A
Perenco Venezuela
PPC Process Plants Contractor S. A.
Universidad Metropolitana

Yemen
Masila Petroleum Exploration and Production Company
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