| Business | Phone |
| Ahi General Contractors Inc Po Box 384, Columbia 21045 | (410) 379-6751 |
| Aoki Homes 9194 Red Branch Rd # D, Columbia 21045 | (410) 964-3255 |
| Beazer Homes 8955 Guilford Rd # 120, Columbia 21046 | (410) 381-3222 |
| Beazer Homes 8965 Guilford Rd, Columbia 21046 | (410) 720-5071 |
| C W Architects 9200 Old Annapolis, Columbia 21045 | (410) 740-0634 |
| Chateau Builders 5850 Waterloo Rd, Columbia 21045 | (410) 480-3699 |
| Columbia Builders Inc 10715 Little Patuxent Pkwy, Columbia 21044 | (410) 730-7020 |
| Dale Thompson Builders Inc 10005 Old Columbia Rd, Columbia 21046 | (410) 995-6736 |
| Dale Thompson Builders Inc 6300 Woodside Ct # A, Columbia 21046 | (301) 596-7280 |
| Empire Homes 8945 Guilford Rd, Columbia 21046 | (410) 309-6155 |
| Glencourt Ii Assoc 6301 Red Haven Rd, Columbia 21045 | (410) 730-1309 |
| Hagan & Hamilton Columbia 21044 | (410) 740-1044 |
| Home Helpers 10015 Old Columbia Rd # B, Columbia 21046 | (410) 309-3303 |
| J D Evans Inc 5391 Light House Ct, Columbia 21044 | (410) 534-4702 |
| My Home Ii 6359 Rising Moon, Columbia 21045 | (410) 381-9120 |
| N V Homes-Trotters Ridge 6105 Trotter Ridge Ct, Columbia 21044 | (410) 531-7420 |
| Patriot Homes 10211 Wincopin Cir, Columbia 21044 | (410) 997-5522 |
| Patriot Homes 8600 Dried Earth Blvd, Columbia 21045 | (410) 290-0469 |
| Pcs Homes At Columbia Park 8891 Goose Landing Cir, Columbia 21045 | (410) 992-7093 |
| Residential Urban Systems Inc 6216 Light Point Pl, Columbia 21045 | (410) 381-0257 |
| Richmond American Homes 6200 Old Dobbin Ln, Columbia 21045 | (410) 872-0267 |
| Richmond American Homes 6220 Old Dobbin Ln # 190, Columbia 21045 | (410) 312-2800 |
| Ross Co 9617 Sea Shadow, Columbia 21046 | (410) 792-2170 |
| Stay At Home Pets Inc 9123 State Route 108, Columbia 21045 | (410) 730-5556 |
| Thomas Builders Inc 10705 Charter Dr # 450, Columbia 21044 | (410) 740-5335 |
| Trinity Builders Customer Svc Columbia 21044 | (410) 992-9115 |
| Trinity Homes Columbia 21045 | (410) 995-9242 |
| Washington Homes Inc 8650 Hayshed Ln, Columbia 21045 | (410) 997-5682 |