• ABB Services
  • Aristech Chemical
  • ARCO Chemical
  • Amoco Corporation
  • Brown & Root, Inc.
  • Chevron Corporation
  • Cigna Healthcare
  • DACON
  • Dashiell Corporation
  • Enron Corporation
  • Exxon Polymers
  • FAA - Intercontinental Airport
  • Fluor - Daniel Corporation
  • GATX
  • Gulf Coast Waste Disposal
  • Harris County Community Supervision & Corrections Department
  • Harris County Mental Health & Mental Retardation (MHMRA)
  • HL&P
  • Himont USA
  • Honeywell IAC
  • LaPlace Engineering, Inc.
  • Loral Space Information Systems
  • Lyondell
  • Mark Products
  • Mellon Mortgage
  • Melton Electric
  • Millennium Petrochemicals (formerly Quantum Chemical)
  • M.W. Kellogg
  • NASA
  • Oiltanking
  • OYO Instruments
  • Omnes
  • Pearland ISD
  • Progressive Communications
  • Rollins Protective Services
  • Schlumberger Well Services
  • Shell Chemical
  • Soland Electric
  • Solvay Polymers
  • Spring ISD
  • St. Joseph Hopital
  • Star Enterprises
  • Sysco Food Services
  • Texaco
  • VA Hospital
  • Vidor ISD
  • Vista Chemical
  • Your Company