| Business | Phone |
| Ball Road Compactor Site Ball Rd, Port Republic 20676 | (410) 586-1262 |
| Branham Well 3125 Mills Pond Dr, Port Republic 20676 | (410) 586-8102 |
| Hildebrand & Noll Inc 2446 Azalea Rd, Port Republic 20676 | (410) 586-3048 |
| Planning Innovation 2847 Governor Run Rd, Port Republic 20676 | (410) 586-9575 |
| Yvorra Leadership Development Port Republic 20676 | (410) 586-0500 |