| Business | Phone |
| Allied Masonry Inc Ofc 9105 Brookville Rd, Silver Spring 20910 | (301) 588-1585 |
| American Professional Chimney 336 University Blvd W, Silver Spring 20901 | (301) 593-2417 |
| Fraternity Construction 12905 Bluhill Rd, Silver Spring 20906 | (301) 942-3613 |