| Business | Phone |
| Applied Research & Technology 215 Tremont St, Rochester 14608 | (585) 436-2720 |
| Eaton Cutler-Hammer 100 Linden Oaks # 255, Rochester 14625 | (585) 381-0510 |
| Eldre Corp 1500 Jefferson Rd, Rochester 14623 | (585) 427-7280 |
| Hazlow Electronics 49 Saint Bridgets Dr, Rochester 14605 | (585) 325-5323 |
| Infinite Group Inc 595 Blossom Rd, Rochester 14610 | (585) 654-5525 |
| Simcona Electronics Corp 275 Mount Read Blvd, Rochester 14611 | (585) 328-3230 |
| Teknational Industries Inc 319 Culver Rd, Rochester 14607 | (585) 473-6310 |
| Veeco Rochester Inc 525 Lee Rd, Rochester 14606 | (585) 458-2550 |