- AECOM
- BGE
- Brannan Corp.
- CDM Smith
- CH2M Hill
- CP&Y
- Capital One Bank
- Christus Trinity Mother Frances Health System
- Clark Wilson Builders
- Consor
- Delek Refining
- EA Engineering, Science and Technology, Inc.
- Environmental Resources Management (ERM)
- Freese & Nichols
- Good Shepherd Hospital
- HDR
- Halff Associates
- Jacobs Engineering
- Johnson & Pace Engineers
- Johnson Merriam Thompson
- KSA Engineers
- Lochner
- Longview ISD
- MW Builders
- OHT Partners
- Texarkana ISD
- Texas A&M
- Texas Department of Transportation
- Texas Eastman
- Tyler ISD
- Tyler Junior College
- US Army Corps of Engineers
- US Forest Service
- UT Health East Texas
- University of Texas at Tyler
- Wadley Hospital
