| Business | Phone |
| At Your Place Or Ours 10015 Old Columbia Rd, Columbia 21046 | (301) 446-1900 |
| Pts Secretarial Svc 10015 Old Columbia Rd # B215, Columbia 21046 | (410) 290-5928 |
| Signal Transcription Network 10630 Little Patuxent Pkwy, Columbia 21044 | (410) 720-3990 |