| Business | Phone |
| Century Fire Systems 228 E Sunset Rd, El Paso 79922 | (915) 584-0523 |
| Est-Edwards Systems Tech 1570 Lionel Dr, El Paso 79936 | (915) 595-2544 |
| G M Malone Fire Protection 3610 Durazno Ave, El Paso 79905 | (915) 584-6017 |
| Hi-Tek Sound & Signal Inc 4030 Tiffany Ct, El Paso 79938 | (915) 855-2255 |
| Volunteer Security Inc El Paso 79924 | (915) 757-7778 |
| Sound & Signal Systems Inc 3621 Mattox St, El Paso 79925 | (915) 772-9893 |
| Nu-Con Safety & Sound 3361 Freeport Dr, El Paso 79935 | (915) 599-1374 |