| Business | Phone |
| Todd Haight Communications 5521 S Saginaw Rd, Flint 48507 | (810) 694-3599 |
| Top Management Inc 3912 Cheyenne Ave, Flint 48507 | (810) 743-8790 |
| Market Research Group 910 E 2nd St, Flint 48503 | (810) 234-3371 |
| Social Systems Research Inst 436 S Saginaw St, Flint 48502 | (810) 422-9850 |
| Metro Marketing Group 4444 W Bristol Rd, Flint 48507 | (810) 733-7683 |