| Business | Phone |
| Infinity Outsourcing 321 S Main St, Rochester 48307 | (248) 651-2500 |
| Strategic Alliance Inc 2619 Bond St, Rochester 48309 | (248) 299-8310 |
| Remote Executive Svc 1074 E Avon Rd, Rochester 48307 | (248) 650-6800 |
| Ces Inc Computer & Engineering 2055 Crooks Rd, Rochester 48309 | (248) 293-5200 |