| Business | Phone |
| Accu-Tech Corp 11853 Belden Ct, Livonia 48150 | (734) 524-8385 |
| Allen Electric Supply Co 31750 Plymouth Rd, Livonia 48150 | (734) 421-9300 |
| Aaa Security Li 31748 Enterprise Dr, Livonia 48150 | (734) 422-0609 |
| Brink's Home Security Inc 11918 Farmington Rd, Livonia 48150 | (734) 422-0707 |
| Allsafe Alarm Systems 36704 Commerce St, Livonia 48150 | (734) 591-9181 |
| Belden Hutter Inc 12763 Stark Rd 208, Livonia 48150 | (734) 513-8181 |
| Best Quality Power 34147 Schoolcraft Rd, Livonia 48150 | (734) 525-4856 |
| Delta Electric Products Inc 36953 Schoolcraft Rd, Livonia 48150 | (734) 953-1130 |
| Delta Supply Co 13145 Wayne Rd, Livonia 48150 | (734) 525-5858 |
| Dynapath Systems 34155 Industrial Rd, Livonia 48150 | (248) 488-0440 |
| Electrodes Inc 31099 Schoolcraft Rd, Livonia 48150 | (734) 261-5990 |
| F L Toolholders Inc 36010 Industrial Rd, Livonia 48150 | (734) 591-0134 |
| Graybar Electric Co 28300 Schoolcraft Rd, Livonia 48150 | (734) 421-8900 |
| K/E Electrical Supplies 35301 Schoolcraft Rd, Livonia 48150 | (734) 422-3005 |
| Laser 3 Llc 12794 Currie Ct, Livonia 48150 | (734) 464-2253 |
| Lincoln Services Llc 11862 Brookfield St, Livonia 48150 | (734) 793-0083 |
| Madison Electric Co 11945 Globe St, Livonia 48150 | (734) 591-6600 |
| Madison Electric Co 11764 Newburgh Rd, Livonia 48150 | (734) 953-8581 |
| Master Temperature Controls 34400 Glendale St, Livonia 48150 | (734) 513-9170 |
| Shaw Fire Detection Svc 33200 Schoolcraft Rd, Livonia 48150 | (734) 425-6804 |
| Sylvania Lighting Svc 13432 Stark Rd, Livonia 48150 | (734) 422-8460 |
| Uni-Track 36953 Schoolcraft Rd, Livonia 48150 | (734) 432-9714 |
| Vsr Technologies 33875 Capitol St, Livonia 48150 | (734) 425-7172 |
| Multi Communications Systems 30731 8 Mile Rd, Livonia 48152 | (248) 478-5256 |
| Venus Control Inc 30105 8 Mile Rd, Livonia 48152 | (248) 477-6520 |
| A-Dat 29140 Buckingham St 2, Livonia 48154 | (734) 458-1701 |
| Brink's Home Security Inc 32825 Summers St, Livonia 48154 | (734) 261-7740 |
| Haupts Alarms 35850 Meadowbrook St, Livonia 48154 | (734) 464-6800 |
| Defender Security Co Livonia 48154 | (734) 464-1787 |
| Nightwatch Alarm 30980 Wentworth St, Livonia 48154 | (734) 522-1045 |
| Security Designs Inc 14700 Farmington Rd 110, Livonia 48154 | (734) 421-0077 |