| Business | Phone |
| Adams Consulting Engineers Inc 3980 Broadway Blvd # 220k, Garland 75043 | (972) 864-2209 |
| Bentley Engineering Inc 4125 Broadway Blvd A250, Garland 75043 | (972) 240-4821 |
| Bohannon Huston Inc 310 E Interstate 30, Garland 75043 | (972) 226-8181 |
| Graham Associates Inc 3200 Broadway Blvd 530, Garland 75043 | (972) 840-6671 |
| Grantham & Assoc Inc 1919 S Shiloh Rd, Garland 75042 | (972) 864-2333 |
| Tim Bennett Engineering Garland 75042 | (972) 276-8527 |