| Business | Phone |
| Chi Alarms Inc 14070 Nw 82nd Ave, Hialeah 33016 | (305) 827-2856 |
| Pro Tech Fire Inc 2970 W 84th St # 5, Hialeah 33018 | (305) 826-9040 |
| Engineering Systems Technology 2400 W 84th St # 9, Hialeah 33016 | (305) 823-7444 |
| Quality Services Contractor 6780 W 2nd Ct, Hialeah 33012 | (305) 887-7600 |