| Business | Phone |
| Dale Dorn 4040 Broadway St 603, San Antonio 78209 | (210) 822-1916 |
| Midway Pipeline Inc 3522 Millgrove St, San Antonio 78230 | (210) 696-0493 |
| Underground Fire Line Co 6335 Camp Bullis Rd 27, San Antonio 78257 | (210) 698-9150 |
| Oasis Pipeline 800 E Sonterra Blvd, San Antonio 78258 | (210) 403-7499 |
| San Antonio Pipeline Lp 4707 Corner Pkwy, San Antonio 78219 | (210) 666-6667 |