| Business | Phone |
| A J Monier & Co 1446 N Flores St, San Antonio 78212 | (210) 223-9151 |
| Beyer Mechanical 4711 Broom St, San Antonio 78217 | (210) 564-1100 |
| Brandt Engineering & Svc 11111 Iota Dr, San Antonio 78217 | (210) 599-6120 |
| Cibelo Mechanical Inc 4702 San Pedro Ave, San Antonio 78212 | (210) 829-8217 |
| Cotter Mechanical Inc 247 W Olmos Dr, San Antonio 78212 | (210) 930-3335 |
| Lone Star State Mechanical Inc 405 Breesport St, San Antonio 78216 | (210) 340-2525 |
| Naylor Mechanical Inc Po Box 14, San Antonio 78291 | (210) 227-2971 |
| Rec Industries Inc 332 N Park Dr, San Antonio 78216 | (210) 490-3700 |
| Texas State Mechanical Inc 314 E Nakoma St, San Antonio 78216 | (210) 490-1180 |
| Todd-Ford Inc 1914 Breeden Ave, San Antonio 78212 | (210) 732-9791 |
| Vmac Corp 10414 Redlawn Dr, San Antonio 78230 | (210) 651-9181 |
| Will Rogers Svc 3462 River Way, San Antonio 78230 | (210) 696-6505 |
| Consolidated Service Co 7042 Snowflake Dr, San Antonio 78238 | (210) 684-2242 |
| Ashley Mechanical Svc Inc 6022 Campstool Rd, San Antonio 78239 | (210) 653-8233 |
| Mission Mechanical Svc San Antonio 78224 | (210) 932-1700 |
| Fargo Mechanical 6571 Bandera Rd, San Antonio 78238 | (210) 543-7412 |
| Freedom Mechanical 5504 Bandera Rd 504, San Antonio 78238 | (210) 684-7660 |
| Pro 1 Mechanical 4910 Pecan Est, San Antonio 78222 | (210) 333-2117 |
| Rio Medina Mechanical 1115 Nogalitos, San Antonio 78204 | (210) 223-9452 |
| S M Joint Venture 15738 Applewhite Rd, San Antonio 78264 | (210) 628-6414 |
| International Mechanical Svc 1454 Gardina, San Antonio 78201 | (210) 732-6188 |
| Jet Mechanical 12063 Starcrest Dr, San Antonio 78247 | (210) 402-7383 |
| Classic City Utility 303 Clarence Tinker Dr 100, San Antonio 78226 | (210) 923-3107 |
| L C Mosel Co 18980 Redland Rd, San Antonio 78259 | (210) 494-9311 |
| R G Weyel Mechanical 17285 State Highway 16 N, San Antonio 78255 | (210) 695-8012 |
| Mechanical Inc 3700 Fredericksburg Rd 209, San Antonio 78201 | (210) 731-8427 |
| T D Industries 12700 Oconnor Rd, San Antonio 78233 | (210) 656-5511 |
| T P C Mechanical 5552 Slattery St, San Antonio 78240 | (210) 520-7306 |
| Vizza Mechanical 16035 University Oak, San Antonio 78249 | (210) 493-5889 |
| Full Service Mechanical 14622 Jones Maltsberger Rd, San Antonio 78247 | (210) 490-4244 |