| Business | Phone |
| Cartel Development Corp 2344 13th Pl Ne, Washington 20018 | (202) 832-1606 |
| Council For Chemical Research 1730 Rhode Island Ave Nw # 302, Washington 20036 | (202) 429-3971 |
| International Techno 1330 Connecticut Ave Nw # 210, Washington 20036 | (202) 828-2614 |
| National Adult Education Pro 444 N Capitol St Nw # 706, Washington 20001 | (202) 624-5250 |
| National Association-Business 1233 20th St Nw # 505, Washington 20036 | (202) 463-6223 |
| National Black Mba 1528 K St Nw, Washington 20005 | (202) 628-0138 |
| Organization Of Black Designer 300 D St Sw, Washington 20024 | (202) 554-7770 |
| Professional Link 1350 Connecticut Ave Nw, Washington 20036 | (202) 299-0220 |
| Women In Aerospace 922 Pennsylvania Ave Se, Washington 20003 | (202) 547-9451 |
| Washington Dcems Assoc 1609 Kalmia Rd Nw, Washington 20012 | (202) 882-8200 |