| Business | Phone |
| Alliance Material Handling Inc 6809 Bowmans Xing # C, Frederick 21703 | (301) 631-0067 |
| Crisplant 4612 Navistar Dr, Frederick 21703 | (301) 663-8710 |
| Mason Dixon Equipment 807 E South St, Frederick 21701 | (301) 695-4300 |
| Werres Corp 807 E South St # A, Frederick 21701 | (301) 620-4000 |