美國哥倫比亞商會
Champs Capitol Hill Chamber of Commerce
20003
E-mail: champs**[ta]**tolhill.org
Tel:(202) 547-***
Fax:(202) 904-***
http://www.**ampsdc.org
DC Chamber of Commerce
20004
E-mail: hwingo**[ta]**amber.org
Tel:(202) 624-***
Fax:(202) 624-***
http://www.**chamber.org
Greater
1725 I Street NW Suite***
20006
E-mail: jimdinegar**[ta]**org
Tel:(202) 857-***
http://www.**t.org
Greater
20006
E-mail: afranco**[ta]**c.org
Tel:(202) 728-***
Fax:(202) 725-***
http://www.**chamber.com
National Black Chamber of Commerce
20015
E-mail: halford**[ta]**onalbcc.org
Tel:(202) 466-***
Fax:(202) 466-***
http://www.**tionalbcc.org
U.S.Black Chambers,Inc.
20005
E-mail: info**[ta]**achamber.org
Tel:(202) 463-***
http://www.**blackchambers.org
United States-Mexico Chamber of Commerce
20044
E-mail: zapantaz**[ta]**oc.org
Tel:(703) 752-***
http://www.**mcoc.org/usmcoc/