| Business | Phone |
| Automatic Control Systems 51 Nitram St # 300, Jacksonville 32211 | (904) 724-2477 |
| T C Doors Jacksonville 32246 | (904) 642-8622 |
| Sunbelt Gated Access Systems 716 N Pearl St, Jacksonville 32202 | (904) 354-7060 |
| Door Control 10330 Chedoak Ct # 300, Jacksonville 32218 | (904) 765-5669 |