| Business | Phone |
| Betts Electrical Contracting 209 Cockeysville Rd, Cockysvl Hnt Vly 21030 | (410) 785-1075 |
| H & H Testing Inc 10822 Williamson Ln, Cockysvl Hnt Vly 21030 | (410) 584-9012 |
| Stephen A Miller Inc 5 Mccann Ave, Cockysvl Hnt Vly 21030 | (410) 666-9552 |