| Business | Phone |
| Columbia Marketing 10227 Wincopin Cir, Columbia 21044 | (410) 992-7155 |
| Mark Friedlander 10630 Little Patuxent Pkwy, Columbia 21044 | (410) 964-9401 |
| Medicalliance Inc 5565 Sterrett Pl, Columbia 21044 | (410) 715-9996 |
| Kimberly Yates Columbia 21044 | (410) 730-9591 |