| Business | Phone |
| Commercial Consolidated Inc 122 W Rhapsody Dr B, San Antonio 78216 | (210) 495-9909 |
| Cortes Contracting Inc 4827 Whirlwind St, San Antonio 78217 | (210) 655-4074 |
| Damco Utility Inc 1423 N Flores St, San Antonio 78212 | (210) 532-6508 |
| Sidewinder Directional Boring San Antonio 78205 | (210) 472-2673 |
| Badeco Inc 1731 S San Marcos 826, San Antonio 78207 | (210) 299-4714 |
| Cantera Trenching 3514 Copeland, San Antonio 78219 | (210) 225-8182 |
| Central Backhoe Svc 10080 Braun Rd, San Antonio 78254 | (210) 688-3244 |
| Du-Mor Enterprises 7626 Grissom Rd, San Antonio 78251 | (210) 684-7211 |
| Pipelayers Inc 7580 Grissom Rd, San Antonio 78251 | (210) 684-7400 |
| Ramos And Assoc 12025 State Highway 16 S, San Antonio 78224 | (210) 628-4277 |
| Infra Source 1731 S San Marcos, San Antonio 78207 | (210) 223-8826 |
| S A Ella Contracting Co 10536 Fm 1560 N, San Antonio 78254 | (210) 688-9500 |
| Sacc Inc Yard 5431 Crestway Dr, San Antonio 78239 | (210) 655-1922 |
| Kgme 4820 Bacon, San Antonio 78249 | (210) 340-0540 |
| Quinney Electric 2789 S Loop 1604 W, San Antonio 78264 | (210) 624-2881 |
| R L Jones Co 18946 Redland Rd, San Antonio 78259 | (210) 496-6223 |
| Ramos Contracting Inc 12286 Potranco Rd, San Antonio 78253 | (210) 673-3513 |
| Southwest Backhoe & Utility 6800 Park Ten Blvd 269s, San Antonio 78213 | (210) 732-5210 |
| Wesco Utilities 4410 Dividend, San Antonio 78219 | (210) 333-4416 |
| Yantis Corp 5425 N Loop 1604 E, San Antonio 78247 | (210) 655-3780 |