| Business | Phone |
| R J Lock & Security Inc 1249 Frederick St, Hagerstown 21740 | (301) 790-0435 |
| R J Lock & Security Inc 1740 Dual Hwy, Hagerstown 21740 | (301) 797-7878 |
| Lock Shop 1740 Dual Hwy, Hagerstown 21740 | (301) 733-4334 |
| Lock Unlimited Hagerstown 21740 | (301) 790-0473 |