| Business | Phone |
| Mid State Construction Inc Cockysvl Hnt Vly 21030 | (410) 329-6100 |
| Richland Building & Dev Inc 117 Old Padonia Rd, Cockysvl Hnt Vly 21030 | (301) 560-0051 |
| Classic Drywall & Finishes 207 Old Padonia Rd, Cockysvl Hnt Vly 21030 | (410) 561-2171 |
| John E Day Assoc Inc 3 Shawan Rd, Cockysvl Hnt Vly 21030 | (410) 771-9100 |
| Joseph B Backof Inc Cockysvl Hnt Vly 21030 | (301) 560-2110 |