- Balfour Beatty Construction
- Bartlett Cocke
- Brookstone
- Corestone Construction Service
- Drymalla Construction
- Durotech, L.P.
- Dyad Construction, L.P.
- Ellisor Constructors
- Gamma Construction Company
- GTT Inc.
- ICI Construction
- Marshall Construction
- Morganti
- Purcell Construction
- Satterfield & Pontikes Construction, Inc.
- Spaw Glass
- Suntech Building Systems
- Texas Sterling Construction Co.
- Turner Construction
- Cadence McShane
- AEI Engineering
- Alpine Engineering Company
- Ash & Associates
- Bay Architects
- Brooks & Sparks, Inc.
- Brown & Gay Engineers, Inc.
- Cre8 Architects
- Dev Tex Engineering, L.P.
- Hermes Architects
- HKS, Inc.
- Huckabee
- Jacobs Engineering, Inc.
- Joiner Partnership, Inc.
- Landev Engineers
- Lippke Cartwright & Roberts Inc
- LJA Engineering
- Montgomery & Barnes, Inc.
- Morriss
- PageSoutherlandPage
- PBK Architects and Engineers
- PGAL
- Powers Brown Architecture
- S&G Engineering Consultants
- Schaumburg & Polk, Inc.
- Stantec
- Vogt Engineering
- Walter P. Moore
- Armaco Services Company
- Barbers Hill ISD
- Brawler Industries
- Buc-ee’s
- Channelview ISD
- City of Conroe
- City of Mont Belvieu
- Clear Creek ISD
- Crosby ISD
- Cy-Fair ISD
- Dayton ISD
- Fort Bend ISD
- Goose Creek ISD
- Grace Church
- Harris County Improvement District No. 18
- Harris County MUD No. 402
- Houston ISD
- Humble ISD
- Katy ISD
- Klein ISD
- Lone Star College Systems
- Montgomery County ESD #8
- Montgomery ISD
- NOV Tuboscope
- Pasadena ISD
- Pearland ISD
- San Jacinto College
- Spring Branch ISD
- Spring ISD
- Springwoods Village
- St. Michael Roman Catholic Parish
- Texas State Technical College
- The Woodlands Township
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