| Business | Phone |
| Building Inspection Corp 10015 Old Columbia Rd # B215, Columbia 21046 | (410) 772-3225 |
| Cary M Cooper Home Inspections Columbia 21044 | (410) 995-1221 |
| Pillar To Post Inspections Po Box 1410, Columbia 21044 | (410) 740-1410 |
| Professional Home Inspections Columbia 21044 | (410) 740-5000 |