Search 1,806 tax-exempt social welfare organizations in Washington, District of Columbia.
| Name | Address, Zip |
|---|---|
| Secure Democracy Usa | 611 Pennsylvania Avenue Se 201, 20003-4303 |
| New Democracy | 1919 N St Nw Ste 300, 20036 |
| Self-determination Incorporated - Si | 2101 L St Nw Ste 800, 20037-1657 |
| Infectious Disease Prevention Network | 1640 Rhode Island Ave Nw, 20036-3200 |
| Due Process Institute | 700 Pennsylvania Ave Se Ste 560, 20003-2551 |
| Luxor Economic Institute Inc | 6218 Georgia Ave Nw Apt 1 # 668, 20011-5125 |
| Ludwig Institute For Shared Economic Progress | 1700 Pennsylvania Ave Nw Suite 500, 20006 |
| Federal Plebiscite Educational Program Inc | 750 9th Street Nw, 20001-4524 |
| Edyth May Sliffe Fund | 11 Dupont Cir Nw Ste 200, 20036-1206 |
| Electricity Evolved | 1817 M St Nw 3rd Floor, 20036-2571 |
| Federally Employed Women Inc | 1800 F St Sw, 20405-0001 |
| Federally Employed Women Inc | 1111 Constitution Ave 3205, 20224-0001 |
| Federally Employed Women Inc | 1201 New York Ave Nw, 20005-3917 |
| Federally Employed Women Inc | 601 Indiana Ave Nw 5th Fl, 20004-2925 |
| Federally Employed Women Inc | 1200 K Street Nw, 20005-4025 |
| | |
| Federally Employed Women Inc | Po Box 23046, 20026-3046 |
| Federally Employed Women Inc | Po Box 306, 20044-0306 |
| Federally Employed Women Inc | 2703 Martin Luther King Jr Ave Sw, 20593-0001 |
| Federally Employed Women Inc | 1629 K St Nw Ste 300, 20006-1631 |
| Federally Employed Women Inc | Po Box 958, 20044-0958 |
| Federally Employed Women Inc | 200 Macdill Blvd Bldg 6000, 20340-0001 |
| Energyblue Project | 110 Maryland Ave Ne Ste 303, 20002-5619 |
| Nevadans For Equality | Po Box 15845, 20003-0845 |
| Facts First Usa | 1100 G St Nw Ste 750, 20005-7411 |
| The Fairness Project | Po Box 21337, 20009-0800 |
| Secure Families Initiative Inc | 1301 K St Nw Ste 300w, 20005-7043 |
| Free The People Fight The Power Inc | 611 Pennsylvania Ave Se 259, 20003-4303 |
| Neighbors For Responsive Government | 1233 20th Street Nw, 20036-2304 |
| Mothers For Moderation Inc | 1030 15th Street Nw Ste 105, 20005-1503 |
| Institute For Truth In Marketing Inc | 1629 K St Nw Ste 300, 20006-1631 |
| Ifbp Fund For Leadership | 901 6th St Sw Apt 615a, 20024-3850 |
| United For Infrastructure | 7101 Chestnut St Nw, 20012-2027 |
| Peace For Taiwan | 1901 Connecticut Ave Nw Apt 701, 20009-6079 |
| Neighbors For Hearst Park | 3521 Quebec St Nw, 20016-3129 |
| March For Life | 1012 14th St Nw Ste 300, 20005-3474 |
| National Institutes For Water Resources Inc | 800 Maine Ave Sw Ste 800, 20024-2806 |
| Run For Something | Po Box 33079, 20033-0079 |
| Labor For Single-payer Healthcare | Po Box 34262, 20043-4262 |
| Fund For States | 600 Pennsylvania Ave Se Unit 15180, 20003-7508 |
| Fund For Military Justice Inc | 4510 Garrison St Nw, 20016-4058 |
| Headache & Migraine Policy Forum | 2020 K St Nw Ste 505, 20006-1901 |
| House Majority Forward | 700 13th St Nw Ste 600, 20005-5998 |
| Millrose Foundation | 1814 Kalorama Sq Nw, 20008-4022 |
| Statehood No Other Way Foundation | 4501 Western Ave Nw, 20016-4337 |
| Oakw Fund | Po Box 15845, 20003-0845 |
| North Fund | 1828 L Street Nw 300-f, 20036-5104 |
| Pt Fund Inc | Gw 2201 Wisconsin Ave Nw Suite 320, 20007 |
| Fwd Us Inc | 701 8th St Nw Ste 800, 20001-3967 |
| Stop Predatory Gambling | 100 Maryland Avenue Ne, 20002-5625 |
| Our Generation Inc | 1101 30th St Nw Ste 500, 20007-3772 |
| Good Government Now Inc | 1747 Pennsylvania Avenue, 20006-4604 |
| Gorail | 425 3rd St Sw Ste 940, 20024-3230 |
| Greater Greater Washington | 80 M St Se Ste 100, 20003-3550 |
| Mental Health Liaison Group Inc | 1400 K St Nw, 20005-2403 |
| Main Street Growth Project Inc | C/o Paul Atkins 750 17th Street Nw, 20006 |
| Town Hall Project Inc | Po Box 73492, 20056-3492 |
| Healthitnow Org | 440 1st St Nw Ste 430, 20001-2395 |
| Hospitality Is Working Inc | 1250 Eye Street Nw Suite 1100, 20005-5904 |
| Ilef | 1100 15th St Nw, 20005-1707 |
| Progressives United Inc | 918 Pennsylvania Ave Se, 20003-2140 |
| On The Level Inc | 4119 Garrison St Nw, 20016-4223 |
| National Security Network Inc | 1333 H St Nw, 20005-4707 |
| Mdcso Inc | 2055 L Street Nw 4th Flr, 20036-4983 |
| Results Inc | 1101 15th Street Nw, 20005-5002 |
| State Solutions Inc | 1747 Pennsylvania Avenue Nw, 20006-4604 |
| Sisters Lead Sisters Vote Inc | 6218 Georgia Ave Nw, 20011-5125 |
| Travelfairnessnoworg Inc | 1900 K St Nw, 20006-1110 |
| Rightnow Inc | 1825 I St Nw Ste 900, 20006-5468 |
| Lambda Kappa Mu Sorority Inc | 1629 K St Nw Ste 300, 20006-1631 |
| Schiller Institute Inc | Po Box 20244, 20041-2244 |
| Ripon Society Inc | 1155 15th St Nw Ste 550, 20005-2713 |
| Right Vote Inc | 1101 Pennsylvania Ave Nw Ste 300, 20004-2582 |
| Washington Jaycees Inc | 1231 Franklin St Ne, 20017-2422 |
| Mtg Research Inc | 1032 15th St Nw 247, 20005-1502 |
| Indivisible Project | 200 Massachusetts Avenue Northwest, 20001-1429 |
| Telehealth Leadership Initiative | Po Box 15850, 20003-0850 |
| Protect Innocence Project Ltd | 2200 Pennsylvania Ave Nw 4th Floor, 20037-1731 |
| New Organizing Institute | 1133 19th St Nw Ste 850, 20036-3664 |
| Lebanon Renaissance Institute | 1701 Pennsylvania Avenue Nw, 20006-5805 |
| National Institute On Retirement Security | 1612 K St Nw Ste 500, 20006-2849 |
| Rotary International | 455 Massachusetts Avenue Nw Ste 248, 20001-2621 |
| Rotary International | 2000 Pennsylvania Ave Nw Ste 7000, 20006-1921 |
| Rotary International | Po Box 65484, 20035-5484 |
| Winning The Issues | 101 Constitution Ave Nw 710e, 20001-2133 |
| J Street | 1828 L St Nw Ste 240, 20036-5105 |
| Jobs With Justice | 1150 Connecticut Ave Nw Ste 200, 20036-4141 |
| League Of Women Voters Of The United States | 1233 20th St Nw500, 20036-2304 |
| Lede Progress | 611 Pennsylvania Ave Se 143, 20003-4303 |
| Patriot Majority Usa | 2420 14th St Nw Apt 701, 20009-3756 |
| Women On The Move | 1200 New Jersey Ave Se, 20590-0001 |
| Pantsuit Nation | 1015 15th St Nw, 20005-2605 |
| National Taxpayers Union | 122 C Street Nw, 20001-2109 |
| The Network | 820 1st St Ne Ste 350, 20002-8065 |
| Newdeal | 700 K St Nw, 20001-5690 |
| Pushblack Now | 712 H St Ne, 20002-3627 |
| Omicron Phi Zeta | Po Box 71335, 20024-1335 |
| Tech Oversight Project | Po Box 3010, 20010-0010 |
| Power To The Polls | 611 Pennsylvania Ave Se 143, 20003-4303 |
| Priorities Usa | 530 8th St Se, 20003-2834 |
| River Road | Po Box 33241, 20033-0241 |