List of Clients

76 Seadrift Coke Air Products Alcoa Alliance Refinery Amerada Hess Amoco Oil Amvec Chemical Corp Aristech Atofina Petrochemicals Augusta Service Azco Integrated Construction BASF Corporation BASF Fine Petrichemicals L.P. Bayer Bechtel Construction Black & Veatch Boise Cascade BP Amoco Chemical Company Brown & Root BVZ Power Partners Calpine Cargill Dow CCC Group CDC Maintenance

CDM Celanese Chemical CF Industries Chalmette Refining Ciambro City of Edmond City of Sherman City og Stamford City of Denton City of Boston Clark Refining Cleco of Corporation Conoc Colorado Energy Management Dominion Generation Donohue Dow Chemical Dresser Rand Du Point Eastman Chemical Exxon Mobil Chemical Exxon Mobil Refining Fine Chemical General Electric

Georgia Pacific Glatfelter Halliburton Halliburton Energy Services Halliburton Group Canada Inc/ Hess Oil/Litvin Hexion Speacialty Chemicals Honeywell Horizon Offshore Contractors Huntsman Chemical Hunt Refining Company ICA Fluor Daniel International Maintenance International Paper Company Invista JGC Arabia Limited Koch Petroleum K O Schuts Lion Copolymer Lurgi Mead Coated Board Mirant Mobil Petroleum Monsanto

Mosaic Company Motiva Oil Mop Oil States Industries,Inc/ Kvaerner Lamorte Burns & Co Shell Chemical Company Shell Oil Company Siemens-Westinghouse Sabina Petrochemicals LLC Sunoco Inc Stone & Webster Texas Eastman Thompson Equipment TIC Tractabel Union Carbide Triad Nitrogen Vicon Group Warrior Energy Westlike Polymers ANPZ TCO Agip KCO Caspian Sulfur Company