| Business | Phone |
| American Express Costigan 3300 North Ridge Rd, Ellicott City 21043 | (410) 480-3190 |
| Clark's Information Svc 3156 West Springs Dr, Ellicott City 21043 | (410) 750-3045 |
| River Capital Credit Llc 3440 Ellicott Center Dr, Ellicott City 21043 | (410) 203-2907 |