| Business | Phone |
| Cape Environmental Mgmt Inc 77 E Main St, Westminster 21157 | (410) 751-2622 |
| Mar Len Environmental 275 Barnhart Rd, Westminster 21158 | (410) 857-2322 |
| Saic 1129 Business Pkwy S # 10, Westminster 21157 | (410) 876-0280 |
| Subsurface Technologies Inc 913 Old New Windsor Pike, Westminster 21157 | (410) 848-6219 |