| Business | Phone |
| Penguin Air 356 Broad St, Fitchburg 1420 | (978) 343-3200 |
| Newjen Corp 12 Baltic Ln, Fitchburg 1420 | (978) 348-2088 |
| Universal Machine 109 River St, Fitchburg 1420 | (978) 343-4688 |
| Vertex Tool & Die Inc 245 Crawford St, Fitchburg 1420 | (978) 348-2610 |
| C V Tool Co Plant Ii 12 Baltic Ln, Fitchburg 1420 | (978) 353-7901 |
| Componet Technology Mach Dsgn 201 Kimball St, Fitchburg 1420 | (978) 345-3030 |
| Scott's Machine Shop 138 Laurel St, Fitchburg 1420 | (978) 342-5494 |
| De Mar Machine 215 Cleghorn St, Fitchburg 1420 | (978) 345-8655 |
| E & D Mfg 1006 Ashburnham St, Fitchburg 1420 | (978) 345-0183 |
| Eagle Machine 250 Cleghorn St, Fitchburg 1420 | (978) 343-9332 |