| Business | Phone |
| Band Lavis & Assoc 900 Ritchie Hwy # 102, Severna Park 21146 | (410) 544-2800 |
| Chesapeake Marine Design Inc 794 Creek View Rd, Severna Park 21146 | (410) 544-9553 |
| International Historical Soc 382 Wilett Dr, Severna Park 21146 | (410) 544-2591 |