| Business | Phone |
| American Association-Colleges 5550 Friendship Blvd # 310, Chevy Chase 20815 | (301) 968-4100 |
| American-Israeli Cooperative 2810 Blaine Dr, Chevy Chase 20815 | (301) 587-0838 |
| Audubon Naturalist Society 8940 Jones Mill Rd, Chevy Chase 20815 | (301) 652-9188 |
| Society Of Professional 2 Wisconsin Cir # 670, Chevy Chase 20815 | (301) 718-7722 |
| Radtech International 6935 Wisconsin Ave, Chevy Chase 20815 | (240) 497-1242 |
| North Chevy Chase Swimming 8817 Brierly Rd, Chevy Chase 20815 | (301) 652-4141 |
| Mycological Association 6900 Wisconsin Ave, Chevy Chase 20815 | (301) 907-3053 |
| National 4-H Council 7100 Connecticut Ave, Chevy Chase 20815 | (301) 961-2800 |
| National Christ Child Society 6900 Wisconsin Ave # 604, Chevy Chase 20815 | (301) 718-0220 |
| Iran Teachers Assn 4701 Willard Ave, Chevy Chase 20815 | (301) 907-7982 |