| Business | Phone |
| Bill Reiffert & Assoc Inc 800 Nw Loop 410 # 512n, San Antonio 78216 | (210) 366-9313 |
| Consulting Engineers Group 2455 Ne Loop 410 230, San Antonio 78217 | (210) 637-0977 |
| Cutler-Gallaway Svc 503 E Ramsey Rd 201, San Antonio 78216 | (210) 496-3326 |
| Loris L Gerber Inc 8603 Crownhill Blvd 9, San Antonio 78209 | (210) 822-8452 |
| Sethness Engineering Svc 335 Arcadia Pl, San Antonio 78209 | (210) 822-4160 |
| Advance Engineering Solutions 11929 Starcrest Dr, San Antonio 78247 | (210) 572-9340 |
| Alpha Consulting Engineers Inc 25836 Us Highway 281 N 200, San Antonio 78258 | (210) 227-3647 |
| Beicker Engineering Inc 2702 N Loop 1604 E 201, San Antonio 78232 | (210) 824-2908 |
| Danysh & Assoc Inc 105 Biltmore St 100, San Antonio 78213 | (210) 341-5161 |
| Luis S Faraklas Pe 1135 W Woodlawn Ave, San Antonio 78201 | (210) 734-8500 |
| Ronnfeldt Engineering Conslnts 7272 Wurzbach Rd 1101, San Antonio 78240 | (210) 734-8755 |
| Steve G Persyn Inc 5805 Callaghan Rd 310, San Antonio 78228 | (210) 680-4126 |
| Unintech Consulting Engineers 12758 Cimarron Path # 118, San Antonio 78249 | (210) 641-6003 |