| Business | Phone |
| Teachout Security Svc 2342 Stonebridge Dr H, Flint 48532 | (810) 732-4849 |
| Globe Airport Security 3425 W Bristol Rd, Flint 48507 | (810) 234-8285 |
| Three-D Security & Invstgtns 3549 S Dort Hwy, Flint 48507 | (810) 742-7273 |
| Guardian Armored 6129 N Dort Hwy, Flint 48505 | (810) 785-2200 |
| Guardsmark Llc 503 S Saginaw St, Flint 48502 | (810) 239-5320 |
| Hi-Tech Protection 3113 Lippincott Blvd, Flint 48507 | (810) 742-4798 |
| Securitas Security Svc Usa Inc 2503 S Linden Rd, Flint 48532 | (810) 733-0151 |
| Michigan Security & Invstgtn 1332 W Bristol Rd, Flint 48507 | (810) 233-9110 |