| Business | Phone |
| Calsource Corp 333 Metro Park # M210, Rochester 14623 | (585) 272-3010 |
| Caltronix Inc 100 Town Centre Dr, Rochester 14623 | (585) 359-3780 |
| Northeast Calibration Inc 568 Heritage Dr, Rochester 14615 | (585) 663-4250 |
| Upstate Metrology Inc 2973 W Henrietta Rd # B, Rochester 14623 | (585) 292-6430 |