| Other organizations in Maryland |
| Id | Name | Address | State | Established | Total Income |
| 1 | Monocacy Aquatic Club Inc Middletown Aqua Club Inc | 9703 Royal Crest Cir, Frederick, MD 21704-7801 | MD | 1978-03 | $326,645 |
| 2 | Monocacy Cemetery Company Of Beallsville Md Inc | PO BOX 81, Beallsville, MD 20839-0081 | MD | 1999-10 | $115,831 |
| 3 | Monocacy Montessori Community Inc | 217 Dill Ave, Frederick, MD 21701-4905 | MD | 2003-09 | $724,440 |
| 4 | Monroe S Johnson Memorial Scholarship Fund | 2407 E Chrchvil Rd, Bel Air, MD 21015-1704 | MD | 1998-08 | $1 |
| 5 | Monsignor Thomas M Wells Scholarship Fund Inc | PO BOX 275, Riverdale, MD 20738 | MD | 2002-06 | $0 |
| 6 | Montessori Country School Of Md Inc, Butler School | 15951 Germantown Rd, Darnestown, MD 20874-3033 | MD | 1981-12 | $2,701,081 |
| 7 | Montessori Society Of Ashton Incorporated | 18501 Mink Hollow Road, Ashton, MD 20861 | MD | 1983-02 | $1,286,722 |
| 8 | Montessori Society Of Central Md Inc | 10807 Tony Dr, Lutherville, MD 21093-3617 | MD | 1966-05 | $3,148,225 |
| 9 | The Montessori School Of Westminster Inc | 1055 Montessori Dr, Westminster, MD 21158-2962 | MD | 1974-10 | $1,057,417 |
| 10 | Montgomery Alliance Inc | 1 Church Street, Rockville, MD 20850-4158 | MD | 2005-07 | $35,600 |
| 11 | Montgomery Amateur Radio Club Inc | Box 611, Gaithersburg, MD 20884 | MD | 2002-10 | $0 |
| 12 | Montgomery Area Science Fair Association | 18062 Cactus Ct, Gaithersburg, MD 20877-3801 | MD | 2003-11 | $43,583 |
| 13 | Montgomery Avenue Womens Center Inc | 112 W Montgomery Ave, Rockville, MD 20850-4213 | MD | 1999-02 | $128,600 |
| 14 | Montgomery Blair High School Magnet Foundation Inc | Po Box 101, Kensington, MD 20895 | MD | 2008-11 | $0 |
| 15 | Montgomery Child Care Association Inc | 3204 Tower Oaks Blvd Ste 330, Rockville, MD 20852-4250 | MD | 1966-03 | $9,520,919 |
| 16 | Montgomery Co Assn Of Administra Tive & Supervisory Personnel | 30 W Gude Dr Ste 100, Rockville, MD 20850-1175 | MD | 1983-03 | $539,505 |
| 17 | Montgomery Coalition For Adultenglish Literacy Inc | 12320 Parklawn Dr, Rockville, MD 20852-1726 | MD | 2008-03 | $1,004,698 |
| 18 | Montgomery Council K-C Building Corporation | 14109 Saddle River Dr, North Potomac, MD 20878 | MD | 1969-04 | $68,216 |
| 19 | Montgomery Countryside Alliance Inc | PO BOX 24, Poolesville, MD 20837-0024 | MD | 2001-04 | $178,262 |
| 20 | Montgomery County Amateur Hockey Association Inc | 8813 Mayberry Ct, Potomac, MD 20854-4473 | MD | 1979-10 | $2,103,890 |
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