| Business | Phone |
| Adtech Industries Inc 10 Hudson Dr, Southwick 1077 | (413) 569-2374 |
| Bill'T Well Manufacturer 23 Hudson Dr, Southwick 1077 | (413) 569-1177 |
| Faivre Machine & Tool Co 49 Sam West Rd, Southwick 1077 | (413) 569-5243 |
| Whalley Precision Inc 28 Hudson Dr, Southwick 1077 | (413) 569-1400 |