| Other organizations in District of Columbia |
| Id | Name | Address | State | Established | Total Income |
| 1 | Mathematical Association Of America | 1529 18th Street Nw, Washington, DC 20036 | DC | 1972-01 | $0 |
| 2 | Mathematical Association Of America | 1529 18th Street Nw, Washington, DC 20036 | DC | 1972-01 | $0 |
| 3 | Mathematical Association Of America | 1529 18th Street Nw, Washington, DC 20036 | DC | 1972-01 | $0 |
| 4 | Mathematical Association Of America | 1529 18th Street Nw, Washington, DC 20036 | DC | 1972-01 | $0 |
| 5 | Mathematical Association Of America | 1529 18th Street Nw, Washington, DC 20036 | DC | 1972-01 | $0 |
| 6 | Mathematical Association Of America | 1529 18th Street Nw, Washington, DC 20036 | DC | 1972-01 | $0 |
| 7 | Mathematical Association Of America | 1529 18th Street Nw, Washington, DC 20036 | DC | 1972-01 | $0 |
| 8 | Mathematical Association Of America | 1529 18th Street Nw, Washington, DC 20036 | DC | 1972-01 | $0 |
| 9 | Mathematical Association Of America, Mathematical Association Of America Texas Section | 1529 18th Street Nw, Washington, DC 20036 | DC | 1972-01 | $0 |
| 10 | Mathematical Association Of America | 1529 18th Street Nw, Washington, DC 20036 | DC | 1972-01 | $0 |
| 11 | Melvin Hazen Community Garden | 2209 13th Street Nw, Washington, DC 20009 | DC | 1985-08 | $0 |
| 12 | Merit Systems Protection Board Professional Association | 1615 M Street 5th Floor, Washington, DC 20419 | DC | 2012-10 | $0 |
| 13 | Methodists United For Peace With Justice | 1500 16th Street Nw, Washington, DC 20036 | DC | | $0 |
| 14 | Minuteman Institute For National Defense Studies | One Massachusetts Ave Nw, Washington, DC 20001 | DC | | $0 |
| 15 | Missouri-Kansas Forum Cooperative Association Inc | 8 E Street Se, Washington, DC 20003 | DC | | $0 |
| 16 | Moms Club, Moms Club Of Nw Washington Dc | 4929 9th Street Nw, Washington, DC 20011 | DC | 2001-02 | $0 |
| 17 | Most Worshipful Grand Lodge Ancient Free & Accepted Masons | 2022 Rhode Island Ave Ne, Washington, DC 20018 | DC | 1987-10 | $650 |
| 18 | Most Worshipful Grand Lodge Ancient Free & Accepted Masons | 2022 Rhode Island Ave Ne, Washington, DC 20018 | DC | 1987-10 | $480 |
| 19 | Most Worshipful Grand Lodge Ancient Free & Accepted Masons | 2022 Rhode Island Ave Ne, Washington, DC 20018 | DC | 1987-10 | $0 |
| 20 | Most Worshipful Grand Lodge Ancient Free & Accepted Masons | 2022 Rhode Island Ave Ne, Washington, DC 20018 | DC | 1987-10 | $0 |
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