| Other organizations in Maryland |
| Id | Name | Address | State | Established | Total Income |
| 1 | Maryland Ornithological Society Inc | 26329 Martingdale Lane, Easton, MD 21601 | MD | 2011-03 | $0 |
| 2 | Maryland Ornithological Society Inc | 27337 Musket Drive, Salisbury, MD 21801 | MD | 2011-03 | $0 |
| 3 | Maryland Ornithological Society Inc, Washington County Bird Club | 16909 Eylers Valley Rd, Emmitsburg, MD 21727 | MD | 2011-03 | $0 |
| 4 | Maryland Theatre Arts Company | 113 National Highway, Lavale, MD 21502 | MD | 1990-02 | $0 |
| 5 | Maryland Tobacco Improvement Foundation Inc | 2005 Largo Road, Upper Marlboro, MD 20774 | MD | 2015-02 | $0 |
| 6 | Mid-Atlantic Panda Coalitioninc | 8788 Endless Ocean Way, Columbia, MD 21045 | MD | 2009-08 | $0 |
| 7 | Mid-Atlantic College Reading Association | 1414 W Joppa Rd, Towson, MD 21204 | MD | 1976-01 | $0 |
| 8 | Mid-County Athletic Association Inc | 11907 Chesterton Dr, Kettering, MD 20774-1652 | MD | 1983-11 | $0 |
| 9 | Military Order Of The Cootie Of The United States | 7321 Shady Glen Terrace, Capitol Heights, MD 20743 | MD | 1965-01 | $0 |
| 10 | Montgomery Hockey Conference Incorporated | 1539 Ivystone Ct, Silver Spring, MD 20905 | MD | 2011-06 | $0 |
| 11 | Mt Royal Improvement Association | 1329 Bolton Street, Baltimore, MD 21217 | MD | 1954-11 | $0 |
| 12 | Music Teachers National Association Inc, Music Teachers Association Of Charles County Inc | 8802 Cottongrass St, Waldorf, MD 20603 | MD | 1981-01 | $0 |
| 13 | Musica Aperta | 6635 Fairfax Road, Chevy Chase, MD 20815 | MD | 2004-08 | $0 |
| 14 | National Association Of Miniature Enthusiasts, Mini Wonder Workers C-777 | 10308 Buckmeadow Lane, Damascus, MD 20872 | MD | | $0 |
| 15 | National Society Colonial Daughters Of The Seventeenth Century | 14600 Cambridge Drive, Upper Marlboro, MD 20772-7749 | MD | 2011-04 | $0 |
| 16 | National Society Of The Children Of The American Revolution | 1502 Providence Road, Towson, MD 21286 | MD | 1973-01 | $0 |
| 17 | Navy League Of The United States Eastern Shore Council | Po Box 61, Oxford, MD 21654 | MD | 1980-11 | $0 |
| 18 | No Limits Learning And Wholeness Center Inc | 4 Fountain Ridge Circle, Parkville, MD 21234 | MD | 2009-06 | $0 |
| 19 | Ocean City-Berlin-Opti Ms Inc | Po Box 4784, Ocean City, MD 21843 | MD | 1993-08 | $0 |
| 20 | Order Of Ahepa, Daughters Of Penelope Chapter 298 | 15115 Interlachen Drive 606, Silver Spring, MD 20906 | MD | 1959-09 | $0 |
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