| Business | Phone |
| Burwell Gale 3200 Baker Cir, Adamstown 21710 | (301) 644-1438 |
| Catalyst Group 2639 Buckeystown Pike, Adamstown 21710 | (301) 694-4700 |
| Csx Cpx 5537 Mountville Rd, Adamstown 21710 | (301) 874-5718 |
| Tri Thermics Inc Adamstown 21710 | (301) 831-8361 |