| Business | Phone |
| Majestic Granite & Marble 10800 Hanna St, Beltsville 20705 | (301) 931-3552 |
| Marble & Granite Inc 11600 Montgomery Rd, Beltsville 20705 | (240) 473-0164 |
| Marble & Granite Inc 6701 Ammendale Rd, Beltsville 20705 | (301) 931-9090 |
| Artelye Import & Export 10116 Bacon Dr, Beltsville 20705 | (301) 931-6616 |
| Gramaco Granite & Marble Llc 5112 Sunnyside Ave, Beltsville 20705 | (301) 361-1400 |