- ABM
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- Alvarez and Marsal
- Amec Foster Wheeler
- Baker Hughes
- Baylor College of Medicine
- BioWorld Merchandising
- Black & Veatch
- BMC Software
- BP Wind Energy
- C&J Energy Services
- Calpine
- Cameron International
- Capgemini
- Carriage Services
- Charming Charlie
- Chevron
- Cisco
- City of Houston
- Cobalt International Energy
- Conn's Home Plus
- ConocoPhillips
- Crius Energy
- Direct Energy
- Dresser-Rand
- ELM Solutions
- Energy Alloys
- ENGlobal
- Eurpac
- Express Energy Services
- FMC Technologies
- GC Services
- GE Oil & Gas
- Geokinetics
- Glazier Foods
- Global Geophysical Services
- Global Healthcare Alliance
- Harris Health System
- HCDE
- Helix Energy Solutions, Inc.
- Hines
| - Houston Methodist
- Infosys
- Insperity
- Intergraph
- Invesco
- KBR
- Kelsey-Seybold Clinic
- Long View
- Maersk Oil
- MD Anderson Cancer Center
- National Oilwell Varco
- New Process Steel
- North Cypress Medical Center
- Oil States International
- Oracle
- Prairie View A&M University
- Preferred Employers Group
- Reliance International
- SavaSeniorCare
- Shell Oil Company
- Silicon Labs
- Stallion Oilfield Services
- Stewart & Stevenson LLC
- Stewart Title
- Tenaris
- Texas Children's Hospital
- Texas United Corporation
- Tidewater
- toshiba international
- Universal Weather & Aviation
- UT Health Science Center
- UTMB Health
- W&T Offshore
- Waste Management
- WCA Waste Corp.
- Weir Oil and Gas
- Wood Group
- Woodforest National Bank
- WorleyParsons
- Xavient Information Systems
- YMCA of Greater Houston
- YUM Brands
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