| Business | Phone |
| A Certified Waterproofing Tech 223 Thelma Ave, Glen Burnie 21061 | (410) 766-4644 |
| Anchor Waterproofing Glen Burnie 21061 | (410) 761-8980 |
| B-Dry System Glen Burnie 21060 | (410) 255-2200 |
| Hydro-Tech Industries Inc 7524 W B And A Rd, Glen Burnie 21061 | (410) 686-1626 |
| Oriole Basement Waterproofers Glen Burnie 21061 | (410) 766-0000 |