Search 19,429 tax-exempt organizations in Washington, District of Columbia.
| Name | Address, Zip | Tax Id (EIN) |
|---|---|---|
| Serbian Institute | 1701 Pennsylvania Ave Nw Suite 300, 20006--5813 | 80-0919684 |
| The Mcdonough Institute | 3900 Tunlaw Rd Nw Apt 609, 20007--4824 | 52-1259570 |
| Islamic Theological Institute | 1312 Park Rd Nw, 20010--2308 | 52-1462894 |
| Lebanon Renaissance Institute | 1701 Pennsylvania Avenue Nw, 20006--5805 | 91-0190500 |
| Panos Institute | 1718 P Street Nw, 20036--1346 | 54-1378220 |
| Truman National Security Institute | 1250 Eye St Nw Ste 900, 20005--5968 | 26-2959113 |
| World Security Institute | 1436 U St Nw Ste 401, 20009--3988 | 52-1289743 |
| Paints Institute | 1300 I St Nw Ste 400e, 20005--3318 | 81-3572156 |
| National Institute Of Science | 4200 Connecticut Ave Nw, 20008--1122 | 30-0394389 |
| National Multicultural Institute | 3000 Connecticut Avenue, 20008--2509 | 52-1317057 |
| Worldwatch Institute | Po Box 57046, 20037--0046 | 23-7367468 |
| Strategic Trade Research Institute | 624 C St Ne, 20002--6002 | 82-2645142 |
| World Sindhi Institute | 1301 Delaware Avenue, 20024--3929 | 52-2025438 |
| International Intellectual Property Institute | 1900 K Street Nw, 20006--1110 | 54-2070150 |
| Institute Of Turkish Studies Trust | 2525 Massachusetts Ave Nw, 20008--2826 | 52-6251276 |
| | ||
| Institute Of Social Studies | 2716 Terrace Road Se Apt 619, 20020--2520 | 81-1953879 |
| The Pam Institute | 800 25th Street Nw Suite 801, 20037--2208 | 52-1920585 |
| Intermedia Survey Institute | 2021 L St Nw Ste 400, 20036--4982 | 52-1996156 |
| Investor Protection Institute | 1200 18th St Nw Ste 700, 20036--2531 | 26-2504761 |
| The Ka Institute | Po Box 70142, 20024--0142 | 83-2423462 |
| Us-japan Research Institute | 1901 Pennsylvania Avenue Nw, 20006--3405 | 27-0458673 |
| Omnigov Training Institute | 1100 Conn Ave Nw Ste 900, 20036--4114 | 52-1659996 |
| Ocean Stewards Institute | 750 9th St Nw Ste 750 # And, 20001--4589 | 20-8882514 |
| International Sustainable Institute | 2000 Pennsylvania Ave Nw Ste 7000, 20006--1921 | 84-2561048 |
| Thinkwell Institute | 3302 7th St Ne, 20017--1418 | 47-4007262 |
| Morning Star Institute | 611 Pennsylvania Ave Se Ste 377, 20003--4303 | 61-2018935 |
| Mansa Musa Institute | 700 Pennsylvania Avenue Se 2nd Fl, 20003--2493 | 86-1322899 |
| Permitting Institute | 1307 New York Avenue Nw, 20005--4704 | 86-1659330 |
| Picsha Institute | 322 A St Se, 20003--3800 | 88-3097033 |
| Time Research Institute | 1215 31st St Nw Unit 25104, 20027--7524 | 87-1459538 |
| Institute Of Politics | 600 21st Street Nw 105, 20052--0048 | 99-1543691 |
| Lt Joseph P Kennedy Institute | 924 G St Nw, 20001--4532 | 53-0258035 |
| Postsecondary National Policy Institute | 1828 L Street Nw 300-e, 20036--5104 | 47-4374655 |
| Osher Lifelong Learning Institute | 4400 Massachusetts Ave Nw, 20016--8002 | 52-1636891 |
| Migration Policy Institute | 1275 K St Nw Ste 800, 20005--4067 | 52-2279789 |
| Portulans Institute | 1015 15th St Nw, 20005--2617 | 84-3566840 |
| Mersa Media Institute | 3601 New Hampshire Ave Nw, 20010--1503 | 83-1836178 |
| Third Way Institute | 1025 Connecticut Ave Nw Ste 400, 20036--5423 | 26-0535276 |
| National Regulatory Research Institute | 1101 Vermont Ave Nw Ste 200, 20005--3553 | 26-1439365 |
| John Lewis Institute Of Peace | 1700 Pennsylvania Ave Nw Suite 200, 20006--4700 | 81-2055133 |
| Institute Of World Politics | 1521 16th Street Nw, 20036--1463 | 52-1699641 |
| Regina Institute Of Washington | 5034 Wisconsin Ave Nw Ste 200, 20016--4125 | 93-3071524 |
| Millennium Institute | 20 F St Nw Ste 700, 20001--6705 | 52-1306451 |
| Vinegar Institute | 529 14th St Nw Ste 1280, 20045--2205 | 23-7083944 |
| Partnersglobal Institute | 1800 Massachusetts Ave Nw Ste 401, 20036--1218 | 81-4999795 |
| Manufacturing Institute | 733 10th St Nw Ste 700, 20001--4888 | 52-1073576 |
| Sulphur Institute | 1020 19th St Nw Ste 895, 20036--6123 | 53-0257818 |
| International Life Sciences Institute | 740 15th St Nw Ste 600, 20005--1053 | 52-1131788 |
| Macdonald-laurier Institute | 441 New Jersey Ave Se, 20003--4034 | 98-0578530 |
| National Institute Of Military Justice | 4000 Tunlaw Rd Nw Apt 816, 20007--4848 | 52-1758837 |
| International Republican Institute | 1225 Eye Street Nw, 20005--3914 | 52-1340267 |
| The Institute Of Urban Living | 1060 Bladensburg Rd Ne, 20002--2923 | 52-1410842 |
| Local Progress Policy Institute | 1200 18th St Nw Ste 700, 20036--2531 | 86-3590543 |
| Washington Policy Institute | 3600 New York Ave Ne, 20002--1947 | 47-4353732 |
| Public Private Strategies Institute | 700 Pennsylvania Avenue Se 2nd Fl, 20003--2493 | 84-3330258 |
| United States Telecommunications Training Institute | 1150 Connecticut Ave Nw Ste 702, 20036--4108 | 52-1294659 |
| Orion Policy Institute | 1050 Connecticut Ave Nw, 20036--5303 | 86-2860501 |
| Multi-media Training Institute | 5327 E Capitol St Se, 20019--6613 | 52-1279861 |
| State Tax Research Institute | 122 C St Nw Ste 330, 20001--2109 | 46-5302475 |
| Urban Institute | 500 Lenfant Plaza Sw 2nd Floor, 20024--2274 | 52-0880375 |
| Mbi Research Institute | 4017 Minnesota Ave Ne, 20019--3541 | 46-2250067 |
| Lmno Institute | 930 15th St Se, 20003--3210 | 93-3102847 |
| National Institute On Retirement Security | 1612 K St Nw Ste 500, 20006--2849 | 20-8705822 |
| Short Line Safety Institute | 50 F St Nw Ste 500, 20001--1567 | 81-0740934 |
| Justice Policy Institute | 1012 14th St Nw Ste 600, 20005--3471 | 20-0102713 |
| Lawfare Institute | 4401 Brandywine St Nw, 20016--4419 | 46-2967640 |
| Sorptive Minerals Institute | 1800 M Street Nw Suite S400, 20036--5878 | 23-7076764 |
| Persuasion Institute | 1806 Kalorama Rd Nw Unit 3, 20009--8139 | 85-3357582 |
| R Street Institute | 1411 K St Nw, 20005--3404 | 26-3477125 |
| Population Institute | 107 2nd St Ne, 20002--7303 | 52-0899578 |
| Monument Research Institute | 2021 K St Nw Ste 615, 20006--1066 | 84-4819539 |
| Mecca Institute | 1835 7th Street Nw Box 277, 20001--3107 | 47-1089662 |
| Technology Policy Institute | 2001 L Street Northwest, 20036--4910 | 20-5835776 |
| Northeast-midwest Institute | 1701 Rhode Island Ave Nw Rm 04-102, 20036--3001 | 52-1112174 |
| Open Markets Institute | 655 15th Street Nw, 20005--5701 | 82-2529375 |
| World Resources Institute | 10 G Street Ne, 20002--4213 | 52-1257057 |
| Public Religion Research Institute | 1023 15th Street Nw Flr9, 20005--2602 | 27-0586980 |
| Negotiation Strategies Institute | 1729 19th St Nw, 20009--1648 | 47-2289205 |
| Washington Kurdish Institute | 700 12th St Nw Ste 700, 20005--4052 | 52-1995160 |
| Rule Of Law Institute | 1747 Pennsylvania Ave Nw Ste 1000, 20006--4636 | 47-5211112 |
| Paving The Way Multi Service Institute | 3400 Martin Luther King Jr Ave Se S, 20032- | 46-5649514 |
| Smithsonian Institute | Po Box 37012, 20013--7012 | 53-0206027 |
| International Law Institute | 1055 Thomas Jefferson Nw M-100, 20007--5259 | 52-1298657 |
| Urban Land Institute | 2001 L St Nw Ste 200, 20036--4948 | 53-0159845 |
| Realty Institutes | 642 Irving St Nw, 20010--2906 | 47-3837599 |
| Its Instrumental | 419 Quincy St Nw, 20011--5929 | 81-1027081 |
| Ngaus Insurance Trust | 1 Massachusetts Ave Nw, 20001--1431 | 52-6188375 |
| Us Mortgage Insurers | 1101 17th St Nw Ste 700, 20036--4741 | 46-4272890 |
| Integrated Living Opportunities | 2001 L St Nw Ste 400, 20036--4946 | 47-2723676 |
| International Integrity Supervision Net | 1717 N St Nw Ste 1, 20036--2827 | 99-2085390 |
| Veterans Intellectual Property | 2001 L St Nw Ste 500, 20036--4955 | 99-4946847 |
| Intentional Quarterly | 1471 Park Rd Nw, 20010--2805 | 46-0790130 |
| Intentional Pursuit Of Me | 743 Hilltop Ter Se, 20019--4208 | 84-1727692 |
| Our Mutual National Interests - Omni International | 1629 K St Nw Ste 300, 20006--1631 | 47-2625089 |
| Washington Interfaith Network | 1226 Vermont Ave Nw, 20005--3615 | 52-1956696 |
| Sanctuary Intergenerational Senior Villages | 1416 44th St Ne, 20019--1917 | 45-5261573 |
| Toastmasters International | 55 M St Se Ste 323, 20003--3522 | 90-0725742 |
| Toastmasters International | 20 M St Se Rm 2134, 20003--3503 | 20-5062147 |
| Toastmasters International | 607 14th St Nw Ste 750, 20005--2085 | 90-1075202 |
| Worthy International Ministries | 647 E St Ne, 20002--5229 | 30-0321686 |