| Business | Phone |
| Beth Messiah Congregation 20214 Ravensdale Ct, Gaithersburg 20886 | (301) 977-9633 |
| Chabad Lubavitch 11520 Darnestown Rd, Gaithersburg 20878 | (301) 926-5081 |
| Shaare Torah 12801 Darnestown Rd, Gaithersburg 20878 | (301) 926-8338 |
| Congregation Or Chadash 23 W Diamond Ave, Gaithersburg 20877 | (301) 977-5397 |
| Kehilat Shalom 9915 Apple Ridge Rd, Gaithersburg 20886 | (301) 869-4418 |