| Business | Phone |
| Peak Environmental Svc 1200 Millbury St # 7l, Worcester 1607 | (508) 756-0700 |
| Ajs Environmental Inc 1200 Millbury St # 7l, Worcester 1607 | (508) 755-6012 |
| Tighe & Bond Inc 324 Grove St, Worcester 1605 | (508) 754-2201 |
| Ecotec Inc 102 Grove St, Worcester 1605 | (508) 752-9666 |
| Enviro Health Inc 70 James St # 139d, Worcester 1603 | (508) 890-2318 |