| Business | Phone |
| M D London Assoc 107 W Shore Rd, Denville 7834 | (973) 586-0591 |
| Cedar Lake Environmental 293 E Glen Rd, Denville 7834 | (973) 627-5661 |
| Connolly Environmental Inc 317 Us Highway 46, Denville 7834 | (973) 625-2786 |
| Environmental Compliance 400 Morris Ave # 241, Denville 7834 | (973) 627-1995 |