ENVIBE IS PLEASED TO DO BUSINESS WITH THE FOLLOWING COMPANIES:

Alcoa Acme Brick Company Anheuser Busch Ball Metal Corporation Bayer Corporation Ben E. Keith Alstom Power Brazos Valley Energy British Petroleum CenterPoint Energy City of Houston

Exxon Mobil Georgia Pacific Harris County Hines Interests HVAC Mechanical Services Houston Chronicle Louisiana Pacific Corp. Marley Cooling Tower Co. Mitsubishi Caterpillar Rohm & Haas Texas, Inc. Spoetzl Brewery

Stewart & Stevenson Sytek Electric Kinder Morgan The University of Texas Texas A&M University Texas Polymer Services, Inc. Texas American Foodservice, Corp. Textron Power Transmission TrizecHahn Office Properties Tyson Foods WesternGeco