| Business | Phone |
| Airwaves Unlimited 22496 Hillcrest Dr, Trenton 48183 | (734) 692-2148 |
| Menlo Worldwide 19771 Brownstown Center Dr, Trenton 48183 | (734) 692-8600 |
| Service Parts Logistics 3471 Brookshire St, Trenton 48183 | (517) 424-7566 |
| S J Briggs Consulting 1885 Pinetree Dr, Trenton 48183 | (734) 676-6248 |