| Business | Phone |
| A & A Svc Dunkirk 20754 | (410) 286-2787 |
| Developers Advocate Inc 11215 Oakwood Dr, Dunkirk 20754 | (410) 286-5222 |
| F D West Network Assoc Dunkirk 20754 | (301) 855-7008 |
| Gary Humphrey 10333 Southern Maryland # 205, Dunkirk 20754 | (410) 286-7566 |