| 19,983 District of Columbia Tax-Exempt Organizations |
|
| Name | Address | Established | Total Income |
|---|
| Operation Santa Inc | 4442 Garrison St Nw, Washington, DC 20016-4056 | 2002-11 | $0 |
| Operation Understanding Of The District Of Columbia | 3000 Connecticut Ave Nw Ste 335, Washington, DC 20008-2550 | 1993-06 | $253,424 |
| Operation Uplift-From Begging To Self-Reliance | PO BOX 73993, Washington, DC 20056-3993 | 2004-06 | $0 |
| Operations & Policy Research Inc | 1319 18th St Nw, Washington, DC 20036-1802 | 1960-10 | $0 |
| Operative Plasterers & Cement Masons Intl Assoc 891 Pcm, 891 Pcm | 1517 Kenilworth Ave Ne, Washington, DC 20019-2006 | 1940-09 | $843,742 |
| Opnav Chief Petty Officers Association | Chief Of Naval Operations Cop-09357, Washington, DC 20350-0001 | 1984-04 | $0 |
| Opportunities Industrialization, Oic Dc | 3707 Martin Luther King Jr Ave Se, Washington, DC 20032-1549 | 2000-11 | $2,205,229 |
| Opportunity America Educational Fund | 737 8th Street Se Suite 201, Washington, DC 20003-3198 | 2014-12 | $0 |
| Opportunity America Inc | 737 8th St Se Ste 201, Washington, DC 20003-3198 | 2014-07 | $0 |
| Opportunity Funding Corporation | 901 F St Nw Ste 300, Washington, DC 20004-1481 | 1971-03 | $623,666 |
| Opportunity Jobs Foundation Inc | 1747 Penn Ave Nw Ste 1000, Washington, DC 20006-4636 | 2015-04 | $0 |
| Optical Society Of America Inc | 2010 Massachusetts Ave Nw, Washington, DC 20036-1023 | 1956-08 | $50,591,570 |
| Optimum Health Foundation | 1800 Evarts St Ne, Washington, DC 20018 | 2009-01 | $0 |
| Optimum Health Institute International Inc | 3000 Connecticut Ave Nw Ste 234, Washington, DC 20008-2534 | 2001-03 | $125,581 |
| Options For International Health | 1211 Connecticut Ave Nw Ste 600, Washington, DC 20036-2705 | 2009-05 | $2,819,324 |
| Options Public Charter School | 1375 E St Ne, Washington, DC 20002-5429 | 1998-02 | $17,559,153 |
| Optoelectronics Industry Development Association Oida | 1220 Connecticut Ave Nw, Washington, DC 20036-2602 | 1992-03 | $893,460 |
| Or Chadash Bbg | 2020 K Street Nw 7th Floor, Washington, DC 20006 | | $0 |
| Oracle Religious Association, Downstairs A | 6101 New Hampshire Ave Ne, Washington, DC 20011-1542 | 2002-02 | $64,524 |
| Oracle Set Foundation Inc | 1738 Allison St Nw, Washington, DC 20011 | 2000-02 | $0 |
| Orange Affordable Housing Inc | 122 E 42nd St Rm 3605, New York, NY 10168-3620 | 1996-08 | $674,167 |
| Orbis Associates | 3704 33rd Place Nw, Washington, DC 20008 | 1983-09 | $0 |
| Orbmedia Inc | 2609 Klingle Rd Nw, Washington, DC 20008-1202 | 2014-03 | $1,180,000 |
| Order Of Ahep, Cj2 Sons Of Pericles Edmonton Canad | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa | 1909 Q Street Nw Ste 500, Washington, DC 20009 | 1972-10 | $0 |
| Order Of Ahepa | 1909 Q Street Nw Ste 500, Washington, DC 20009 | 1972-10 | $0 |
| Order Of Ahepa | 1909 Q Street Nw Ste 500, Washington, DC 20009 | 1972-10 | $0 |
| Order Of Ahepa | 1909 Q Street Nw Ste 500, Washington, DC 20009 | 1972-10 | $0 |
| Order Of Ahepa | 1909 Q Street Nw Ste 500, Washington, DC 20009 | 1972-10 | $0 |
| Order Of Ahepa | 600 N 6th Street 3b, Newark, NJ 07107 | 1959-09 | $0 |
| Order Of Ahepa | 1426 Waggaman Circle, Mclean, VA 22101 | 1959-09 | $0 |
| Order Of Ahepa | 1909 Q St Nw, Washington, DC 20009 | 1959-09 | $0 |
| Order Of Ahepa 345 Kankakee, Ahepa Chapter No 345 | 1909 Q St Nw 500, Washington, DC 20009 | 1972-10 | $0 |
| Order Of Ahepa 388 Northwestern | 1909 Q St Nw, Washington, DC 20009 | 1972-10 | $0 |
| Order Of Ahepa Auxiliary, Daughters Of Penelope | 1909 Q Street Nw, Washington, DC 20009 | | $0 |
| Order Of Ahepa Daughters Of Penelope 11 Hermione, Daughters Of Penelope 11 Hermione | 1909 Q Street Nw, Washington, DC 20009 | | $0 |
| Order Of Ahepa Daughters Of Penelope 118 Thalia, Daughters Of Penelope 118 Thalia | 1909 Q Street Nw, Washington, DC 20009 | | $0 |
| Order Of Ahepa Daughters Of Penelope 133 Haris, 129 Daughters Of Penelope Tritonis | 1909 Q Street Nw, Washington, DC 20009 | | $0 |
| Order Of Ahepa Daughters Of Penelope 145 Latona, Daughters Of Penelope 145 Latona | 1909 Q Street Nw, Washington, DC 20009 | | $0 |
| Order Of Ahepa Daughters Of Penelope 2 Arete, Daughters Of Penelope 2 Arete | 1909 Q Street Nw Suite 500, Washington, DC 20009 | | $0 |
| Order Of Ahepa Daughters Of Penelope 2 Beta Florida State, Daughters Of Penelope 2 Beta Florida State | 1909 Q Street Nw Suite 500, Washington, DC 20009 | | $0 |
| Order Of Ahepa Daughters Of Penelope 298 Aruib, Daughters Of Penelope 298 Aruib | 1909 Q Street Nw, Washington, DC 20009 | | $0 |
| Order Of Ahepa Daughters Of Penelope 311 Zoe, Daughters Of Penelope 311 Zoe | 1909 Q Street Nw, Washington, DC 20009 | | $0 |
| Order Of Ahepa Daughters Of Penelope 70 Klimene, Daugthers Of Penelope 70 Klimene | 1909 Q Street Nw, Washington, DC 20009 | 1972-10 | $0 |
| Order Of Ahepa Daughters Of Penelope 9 Hellas, Daughters Of Penelope Hellas Chapter 9 | 1909 Q Street Nw, Washington, DC 20009 | | $0 |
| Order Of Ahepa Sons Of Pericles 9 | 1909 Q Street Nw Ste 500, Washington, DC 20009 | 1972-10 | $0 |
| Order Of Ahepa, 1 Daughters Of Penelope Alpha Univ | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 1 Daughters Of Penelope Ise Nassau | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 1 Isle Of June Nassau Bahamas | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 100 Maids Of Athena Miami Fl | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 100 Maids Of Athena Paris Rockford | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 101 Golden Rule New Bedford Ma | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 101 Maids Of Athena New Castle Pa | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 102 Daughters Of Penelope Chapter | 1909 Q Street Nw, Washington, DC 20009 | 1972-10 | $0 |
| Order Of Ahepa, 102 Sons Of Pericles Portland Me | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 103 Maids Of Athena Woburn Ma | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 104 Maids Of Athena Ourania Casper | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 104 Maids Of Athena Spartanburg Sc | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 104 Oak Park Il | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 106 Sons Of Pericles Wilmington De | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 108 Maids Of Athena Chicago In | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 109 Maids Of Athena Chicago Il | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 11 Sons Of Pericles Chicago Il | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 110 Sons Of Pericles Biddeford Me | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 111 Maids Of Athena Tarpon Springs | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 112 Sons Of Pericles Pittsburgh Pa | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 114 Washington Rock Plainfield Nj | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 118 Maids Of Athena New Haven Ct | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 121 Olympia Pawtucket Ri | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 122 Sons Of Pericles Pawtucket Ri | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 123 Maids Of Athena New Britain Ct | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 125 Schenectady Ny | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 128 George C Chase Lewiston Me | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 128 Sons Of Pericles Canonsburg Pa | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 129 Daughters Of Penelope Tritonis | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 129 Sons Of Pericles Lancaster Pa | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 130 Ansonia Ct | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 130 Maids Of Athena Kansas City Mo | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 131 Sons Of Pericles Tarpon Springs | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 132 Sons Of Pericles Perth Amboy Nj | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 136 Watertown Ny | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 138 Maids Of Athena New London | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 139 Sons Of Pericles Rochester Mn | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 13th Daughters Of Penelope District | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1959-09 | $0 |
| Order Of Ahepa, 14 Sons Of Pericles Lowell Ma | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 140 Daughters Of Penelope Agathon | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 143 Daughters Of Penelope Dione | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 143 Sons Of Pericles Jacksonville | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 144 Daughters Of Penelope Algaia | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 144 Sons Of Pericles Pensacola Fl | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 145 Maids Of Athena Amboy Nj | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 146 Maids Of Athena Wilmington De | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 146 Sons Of Pericles Miami Fl | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 148 Daughters Of Penelope Thusbe | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 15 Maids Of Athena Poughkeepsie Ny | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 15 Sons Of Pericles New Haven Ct | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 154 Sons Of Pericles Tampa Fl | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 156 Maids Of Athena North Miami Fl | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 157 Maids Of Athena Ft Lee Nj | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 157 Sons Of Pericles Spokane Wa | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 159 Sons Of Pericles Harrisburg Pa | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 16 Maids Of Athena Chester Pa | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 164 Sons Of Pericles Wilkes Barre | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 166 Daughters Of Penelope Athos | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 167 Daughters Of Penelope Alcmaeon | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 168 North Plate Valley Bridgeport N | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 169 Sons Of Pericles West Palm Beac | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 17 Maids Of Athena Allentown Pa | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 17 St Augustine Fl | 1909 Q St Nw Ste 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 170 Sons Of Pericles Danville Va | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 171 Daughters Of Penelope Pellen | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 171 Sons Of Pericles Annapolis Md | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 172 Maids Of Athena Silver Springs | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 176 Maids Of Athena Clearwater Fl | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 176 Sons Of Pericles Atlantic City | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 177 Maids Of Athena Las Vegas Nv | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 18 Maids Of Athena Reading Pa | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 181 Daughters Of Penelope Lysandros | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1959-09 | $0 |
| Order Of Ahepa, 182 Daughters Of Penelope Aeonia | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 183 Bingham Canyon Ut | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 184 Daughters Of Penelope Orpheus | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 189 Sons Of Pericles Norwich Ct | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 190 Sons Of Pericles Danbury Ct | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 192 Daughters Of Penelope Leshos | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 193 Daughters Of Penelope Iphis | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 194 Daughters Of Ithaki Ithaca Ny | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 196 Sons Of Pericles Elmira Ny | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 197 Daughters Of Penelope Reading | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 2 Sons Of Pericles Nashua Nh | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 20 Maids Of Athena Rochester | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |
| Order Of Ahepa, 202 Daughters Of Penelope Coliope | 1909 Q St Nw 500, Washington, DC 20009-1050 | 1972-10 | $0 |