| Business | Phone |
| Advanced Technical Solutions 810 Cromwell Park Dr, Glen Burnie 21061 | (410) 487-0070 |
| Del Group 109 Juniper Dr, Glen Burnie 21060 | (410) 760-2779 |
| Gilligan Development Inc 7524 Baltimore Annapolis Blvd, Glen Burnie 21060 | (410) 787-0445 |
| Phil Roemer 1901 Park 100 Dr, Glen Burnie 21061 | (410) 582-9125 |