| Business | Phone |
| R R Rehab & Construction Inc 9308 Cherry Hill Rd # A, College Park 20740 | (301) 345-1921 |
| Byrd's Construction Svc Inc College Park 20740 | (301) 935-2500 |
| Cr Calderon Construction Inc 5104 Branchville Rd, College Park 20740 | (301) 614-0714 |
| Hartwick Building 4321 Hartwick Rd, College Park 20740 | (301) 864-6321 |