| Business | Phone |
| Ace Fire Equipment 224 W Nakoma St, San Antonio 78216 | (210) 333-7000 |
| American Automatic Sprinkler 1223 Safari St, San Antonio 78216 | (210) 490-9222 |
| Automatic Fire Protection Inc 2503 Boardwalk St, San Antonio 78217 | (210) 829-5300 |
| H G Fire Systems Inc 4135 Stahl Rd 6, San Antonio 78217 | (210) 653-1370 |
| Hockstadt Inc 12961 Park Central 1440, San Antonio 78216 | (210) 349-3125 |
| J M Electronic Engineering Inc San Antonio 78205 | (210) 225-5882 |
| James W Dielmann Inc 4019 Stahl Rd, San Antonio 78217 | (210) 402-0605 |
| Moore & Assoc 235 E Huisache Ave, San Antonio 78212 | (210) 737-2224 |
| Skelton Fire Alarm Systems 11549 Old Perrin Beitel Rd105, San Antonio 78217 | (210) 590-1328 |
| Universal Protection Products 1105 Basse Rd, San Antonio 78212 | (210) 737-2864 |
| Arrow Communications Fire 3007 War Knife St, San Antonio 78238 | (210) 520-4293 |
| Contracting International Inc 108 S Manton Ln, San Antonio 78213 | (210) 822-1206 |
| Fire Check Of Texas Inc San Antonio 78201 | (210) 737-3473 |
| Fire Quest 7823 Fortune Dr, San Antonio 78250 | (210) 523-6003 |
| Mulder Fire Protection Inc 5807 La Colonia 200, San Antonio 78218 | (210) 661-4257 |
| Prostar Alarms 102 E Nakoma St, San Antonio 78216 | (210) 572-0660 |
| Rollins Fire Protection Inc 3307 Commercial Ave, San Antonio 78221 | (210) 924-9087 |
| Systems Of Security 1635 S Zarzamora St, San Antonio 78207 | (210) 223-0882 |
| Universal Sprinkler Corp 12728 Oconnor Rd, San Antonio 78233 | (210) 637-0436 |
| Advanced Fire Protection Inc 18911 Redland Rd, San Antonio 78259 | (210) 656-4489 |
| Automatic Fire Protection Inc 18745 Goll St # 1, San Antonio 78266 | (210) 829-5300 |
| Precision Life Safety Services, LLC 7111 Eckhert Rd, San Antonio 78238 | (210) 680-7211 |