| Business | Phone |
| America's Ultimate Security 9848 Lorene Ln, San Antonio 78216 | (210) 525-1342 |
| Alamo Private Security Svc 2502 Babcock Rd 812, San Antonio 78229 | (210) 593-0082 |
| Alamo Protective Svc Inc 12029 Colwick St, San Antonio 78216 | (210) 444-1500 |
| Allied Security 4801 Nw Loop 410 220, San Antonio 78229 | (210) 829-1053 |
| Ameritex Guard Svc San Antonio 78209 | (210) 822-4827 |
| Andy Frain Security Svc 5372 Fredericksburg Rd 235, San Antonio 78229 | (210) 340-1009 |
| Executive Security Systems Inc 8603 Crownhill Blvd 10, San Antonio 78209 | (210) 930-5333 |
| Fort Bend Security Inc 4211 Gardendale St 201a, San Antonio 78229 | (210) 615-9651 |
| Global Security Investigations 9200 Broadway St 112, San Antonio 78217 | (210) 822-7464 |
| Guardsmark Inc 8610 Broadway St, San Antonio 78217 | (210) 804-1214 |
| Initial Security 8301 Broadway St 120, San Antonio 78209 | (210) 829-8029 |
| Initial Security 3355 Cherry Ridge St, San Antonio 78230 | (210) 344-7642 |
| Intrepid Pi 11411 Rendezvous Dr 105, San Antonio 78216 | (210) 336-7275 |
| Lender Protective Svc Inc 12042 Blanco Rd 108, San Antonio 78216 | (210) 490-4647 |
| Mission Trace 11300 Vance Jackson Rd, San Antonio 78230 | (210) 690-0585 |
| Nighthawk Security Co 3463 Magic Dr T15, San Antonio 78229 | (210) 582-5866 |
| Pinnacle Security 3838 Lockhill Selma Rd, San Antonio 78230 | (210) 408-2557 |
| Psr Security Inc 5511 San Pedro Ave 208, San Antonio 78212 | (210) 733-5677 |
| San Antonio Security Officers 2706 Castanet St, San Antonio 78230 | (210) 561-2999 |
| Smith Legacy Security 3030 Nacogdoches Rd # 200, San Antonio 78217 | (210) 227-6484 |
| Southwest Event Svc Inc 4335 Vance Jackson Rd # 203, San Antonio 78230 | (210) 558-7955 |
| Statewide Patrol 8626 Tesoro Dr 504, San Antonio 78217 | (210) 979-6400 |
| United Investigations Bureau 6326 Sovereign St, San Antonio 78229 | (210) 348-9200 |
| Wackenhut Corp 901 Ne Loop 410 900, San Antonio 78209 | (210) 826-2646 |
| Abr Security Of Texas 17595 Blanco Rd 200, San Antonio 78232 | (210) 408-2344 |
| Acme Security Svc Inc 12702 Toepperwein Rd 201, San Antonio 78233 | (210) 599-3670 |
| Chapel Security 2827 Burning Log St, San Antonio 78247 | (210) 494-5492 |
| Citywide Investigations & Sec 6008 Grissom Rd, San Antonio 78238 | (210) 681-8268 |
| Dispatch Center Inc 101 Galleria Fair, San Antonio 78232 | (210) 491-3400 |
| Estates At Champions Run 1 Champions Run, San Antonio 78258 | (210) 497-5756 |
| Ortiz Security & Patrol 1314 Nolan, San Antonio 78202 | (210) 241-6830 |
| Protective Services 2000 10443 Canyon Vlg, San Antonio 78245 | (210) 377-2004 |
| Guardian Security Svc 402 Glenarm Pl, San Antonio 78201 | (210) 738-9911 |
| Jag Protective Svc 2134 W Kings Hwy, San Antonio 78201 | (210) 735-2552 |
| Knight Protective Svc 4538 Centerview 177, San Antonio 78228 | (210) 733-0955 |
| Anderson Security Po Box 790846, San Antonio 78279 | (210) 846-0120 |
| Emerald Forest Guard House 17700 Emerald Forest Dr, San Antonio 78259 | (210) 496-7550 |
| M S Patrol Inc 846 Culebra Rd # 150, San Antonio 78201 | (210) 737-8912 |
| Mall Security 6909 N Loop 1604 E, San Antonio 78247 | (210) 651-5916 |
| Scenic Oaks Guard House 27000 Hazy Holw, San Antonio 78255 | (210) 698-3588 |
| Texas Security & Investigation 8850 Catalina Bay, San Antonio 78242 | (210) 927-1235 |
| Mcc Security Investigations 1716 S San Marcos, San Antonio 78207 | (210) 533-4006 |
| Metropolitan Investigations 1502 Holbrook Rd, San Antonio 78218 | (210) 637-5482 |
| Prodigy Security 14511 Ridge Meadow Dr, San Antonio 78233 | (210) 946-4285 |
| R B Sontag 1276 Oconnor Rd, San Antonio 78233 | (210) 842-7709 |
| Securitas Security Svc 5825 Callaghan Rd, San Antonio 78228 | (210) 706-2500 |
| Securiteck 6549 Bandera Rd, San Antonio 78238 | (210) 590-3777 |
| Security 901 Sonterra Blvd, San Antonio 78258 | (210) 490-1158 |
| Smith Protective Svc Inc 1800 Grandstand Dr, San Antonio 78238 | (210) 681-8221 |
| Texas Motorcycle Escort Svc 6571 Bandera Rd, San Antonio 78238 | (210) 682-6693 |
| Texas Private Security/Patrol 953 Sw 34th St # B, San Antonio 78237 | (210) 431-3255 |
| Texas State Security & Patrol 214 Oak Valley Dr, San Antonio 78227 | (210) 434-1266 |
| Unique Security Svc Inc 4414 Centerview 273, San Antonio 78228 | (210) 738-8408 |
| Us Security Assoc 215 S San Saba 103, San Antonio 78207 | (210) 271-7405 |
| Wareagle Security 7007 Holly Dl, San Antonio 78250 | (210) 682-1182 |
| Allied Security 4100 S New Braunfels Ave, San Antonio 78223 | (210) 531-0755 |
| Securiteck 8843 Grissom Rd # 103, San Antonio 78251 | (210) 590-3777 |