| Business | Phone |
| Apex Manufacturing 6 Scotts Way, Essex 1929 | (978) 768-3215 |
| B & P Machine 245 Western Ave, Essex 1929 | (978) 468-3515 |
| Bedarde & Parson Machine 191 Western Ave, Essex 1929 | (978) 768-6472 |
| Collins Manufacturing Inc 239 Western Ave, Essex 1929 | (978) 768-7721 |
| Jeto Engineering Inc 245 Western Ave # 15, Essex 1929 | (978) 768-7618 |