◦ Aeroject. Gen. Corp.

◦ GS Engineering &

◦ Philadelphia Gas Works

◦ AGA Gas

  Construction

◦ PPG Industries

◦ Air Liquide

◦ Global Octane

◦ Praxair

◦ Air Products &

◦ H.K. Ferguson

◦ Pritchard

  Chemicals

◦ Hamilton Standard

◦ Ranch Cryogenics

◦ Airco Industrial Gases

◦ Hemlock Semiconductor

◦ Rhone Poulenc

◦ AKZO Chemical

◦ Himont

◦ Rubicon Industries

◦ Alabama Oxygen

◦ HI-Silicon

◦ SK Engineering &

◦ Allied Chemical

◦ Holox

  Construction

◦ American Cryogenics

◦ Hughes Tool

◦ S & B Engineering

◦ American Messer

◦ Huls

◦ S.E.H. America, Inc.

◦ Amerigas

◦ Jacobs Engineering

◦ Selox

◦ Ansutech

◦ Keyspan LNG

◦ Shanghai Strong Energy

◦ ARCO Polymers

◦ Kobelco

◦ Shell

◦ Atlanta Gas & Light

◦ Koch Refining

◦ Shin-Etsu Handotai

◦ Badger Co.

◦ LG Engineering &

◦ Showa Denko

◦ Bayer Corp.

  Construction

◦ Sichuan Xin Guang

◦ Bechtel

◦ Linde AG

  Silicon

◦ Big Three Industries

◦ Liquid Air

◦ Snamprogetti

◦ Black & Veatch

◦ Liquid Carbonic

◦ Sobin Chemicals

◦ BOC Process Plants

◦ Litwin

◦ Sony

◦ Brown & Root

◦ Lotepro

◦ Southern Connecticut Gas

◦ Bufete Industrial

◦ M²T Technologies

◦ Stauffer Chemical

◦ Burdett Oxygen

◦ MEMC

◦ Sumco USA

◦ Celanese

◦ Messer AGS

◦ Sumisho Fine Gas

◦ Champion Papers

◦ MG Industries

◦ Sumitomo

◦ Chemetron

◦ Mitsubishi

◦ Superior Air Products

◦ Chinese Petroleum

◦ Mitsubishi Materials

◦ Taiwan Synthetic

◦ Chronopol

◦ Mitsui

  Petrochemical

◦ Cincinnati Milacron

◦ Monsanto

◦ TASCO

◦ Cloro de Tehuantepec

◦ Motorola

◦ Tate & Lyle

◦ CNG Transmission

◦ MUD of Omaha LNG

◦ Tenneco Chemicals

◦ Columbia LNG

◦ MW Kellogg

◦ Tennessee Eastman

◦ Conectiv

◦ Nan Ya Plastics

◦ Texas Instruments

◦ Cosmodyne, LLC

◦ NASA

◦ Texas Petrochemicals LP

◦ Daqo New Material Co.

◦ National Cylinder Gas

◦ Thai Industrial Gases

◦ Diamond Shamrock

◦ NIPSCO Northern Indiana

◦ Toyo - Thai Corp. Ltd.

◦ Dofasco

  LNG

◦ Tyroc International

◦ Dow Chemical

◦ Novamont

◦ U. Rochester Laser Lab

◦ Dow Corning

◦ Occidental Petroleum

  for Energetics

◦ DuPont

◦ Oriental Chemical

◦ Union Carbide

◦ Eastman Kodak

  Industries

◦ Universal Industrial Gases

◦ FMC Corporation

◦ Osaka Titanium

◦ Usolye-Siberian Silicon Ltd.

◦ Formosa Plastics

◦ PCS Nitrogen

◦ Vulcan Chemicals

◦ Foster Wheeler

◦ Pennwalt

◦ Wacker Chemitronics

◦ GE Silicones

  GmbH