| Business | Phone |
| B L Myers Brothers Inc 5112 Pegasus Ct # V, Frederick 21704 | (301) 668-1044 |
| Cline & Duvall Inc 8093 Hillmark Ct, Frederick 21704 | (301) 663-6095 |
| Keyser-Garver Well Drilling 9125 Bethel Rd, Frederick 21702 | (301) 662-1949 |
| Quynn-Cromwell Well Svc 6030 Keyser Ln, Frederick 21702 | (301) 663-4019 |