| Business | Phone |
| Baystate Environmental Inc 296 N Main St # 20, East Longmeadow 1028 | (413) 525-3822 |
| Civil Engineering Assoc 10 Crane Ave, East Longmeadow 1028 | (413) 525-2874 |
| Ecotec Environmental Assoc 180 Denslow Rd # 8, East Longmeadow 1028 | (413) 525-6703 |