| Business | Phone |
| Alpine Fire Protection 9717 Nw 10th St, Oklahoma City 73127 | (405) 782-0329 |
| Control Fire Systems Co 1601 Se 37th St, Oklahoma City 73129 | (405) 670-6717 |
| D C Fire & Communications Inc 2809 W I 240 Service Rd, Oklahoma City 73159 | (405) 686-1749 |
| High-Tech-Tronics Inc 6011 Melrose Ln, Oklahoma City 73127 | (405) 495-0215 |
| Transamerican Fire Spriklers 4307 S Prospect Ave, Oklahoma City 73129 | (405) 677-2208 |
| Superior Fire Protection Inc 4701 Sw 20th St, Oklahoma City 73128 | (405) 682-0079 |
| Salda Communications 6011 Nw 63rd St # 300, Oklahoma City 73132 | (405) 722-2277 |