| Business | Phone |
| Mark D Thompson Cpa 850 S Hadley Rd, Ortonville 48462 | (248) 627-9200 |
| Douglas Chynoweth 3700 Allen Rd, Ortonville 48462 | (248) 620-6862 |
| Gtc Finance 141 Holly Hock Ln, Ortonville 48462 | (248) 393-1972 |
| E David Laikind Pc 960 N Sashabaw Rd, Ortonville 48462 | (248) 627-2234 |