| Business | Phone |
| Tri-Tech Machine Inc 1 New Boston Dr # 4, Canton 2021 | (781) 828-7316 |
| C & G Mfg 480 Neponset St, Canton 2021 | (781) 821-8180 |
| R A Chandler Co 901 Turnpike St, Canton 2021 | (781) 821-1300 |
| Ideal Instrument Co 863 Washington St, Canton 2021 | (781) 828-0881 |
| Kessler Machine Works Inc 283 Neponset St, Canton 2021 | (781) 828-0134 |