| Business | Phone |
| Trc Environmental Corp John St, Lowell 1852 | (978) 970-5600 |
| National Council Air Strm Impr 600 Suffolk St, Lowell 1854 | (617) 627-3254 |
| Mill City Environmental Corp 100 Foot Of John St, Lowell 1852 | (978) 654-6741 |
| Northeastern Cnsltng Forest 241 Clark Rd, Lowell 1852 | (978) 453-7471 |