| Business | Phone |
| Upper County Sda Church 14210 Comus Rd, Clarksburg 20871 | (240) 686-0100 |
| Cedar Brook Academy 23700 Stringtown Rd, Clarksburg 20871 | (301) 528-6702 |
| Clarksburg Church Of God 23900 Clarksburg Rd, Clarksburg 20871 | (301) 972-3754 |
| Clarksburg United Methodist 23425 Spire St, Clarksburg 20871 | (301) 972-1225 |
| First Church Of God 22820 Frederick Rd, Clarksburg 20871 | (301) 251-9599 |
| Greenridge Baptist Church 21925 Frederick Rd, Clarksburg 20871 | (301) 972-0271 |
| Hyattstown Christian Church 26012 Frederick Rd, Clarksburg 20871 | (301) 831-8184 |
| Hyattstowvn United Methodist 26121 Frederick Rd, Clarksburg 20871 | (301) 831-1194 |
| Lakewood Church 22820 Frederick Rd, Clarksburg 20871 | (301) 515-3285 |