| Business | Phone |
| Earl Wh Mercer & Son 1460 W Patrick St, Frederick 21702 | (301) 662-2297 |
| Schwerman Trucking Co 4120 Buckeystown Pike, Frederick 21704 | (301) 874-0815 |
| Wheatfield Trucking Co 4120 Buckeystown Pike, Frederick 21704 | (301) 662-2332 |
| Y P Wastler Enterprises Llc Frederick 21701 | (301) 898-7117 |