| Business | Phone |
| Collins-Snoops & Assoc Inc 10819 Williamson Ln, Cockysvl Hnt Vly 21030 | (410) 527-9500 |
| Flo-Tron Contracting 10604 Beaver Dam Rd, Cockysvl Hnt Vly 21030 | (410) 527-0060 |
| M Nelson Barnes & Sons Inc 117 Church Ln, Cockysvl Hnt Vly 21030 | (410) 666-9330 |
| York Mechanical Inc 9707 Monroe St, Cockysvl Hnt Vly 21030 | (410) 252-9400 |