| Business | Phone |
| Clark Appraisals 6268 Crain Hwy, La Plata 20646 | (301) 638-1223 |
| Donald R Clark 6529 Crain Hwy, La Plata 20646 | (301) 934-1914 |
| County Services Inc 6335 Crain Hwy, La Plata 20646 | (301) 934-4411 |
| Donald R Cox 101 E Charles St, La Plata 20646 | (301) 870-3131 |
| James W Shelton Jr & Assoc Inc 6474 Crain Hwy # 1, La Plata 20646 | (301) 934-0295 |
| James W Shelton Jr & Assoc Inc Us Highway 301, La Plata 20646 | (301) 932-0022 |
| Manning Realty Inc 109 Lagrange Ave, La Plata 20646 | (301) 932-0111 |