Tax-Exempt Organizations in Maryland

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18,910 Maryland Tax-Exempt Organizations

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NameAddressEstablishedTotal Income
Olney Soccer Club IncPO BOX 552, Olney, MD 20830-05521983-04$114,607
Olney Theatre Corporation2001 Olney Sandy Spring Rd, Olney, MD 20832-16011979-06$3,597,283
Olokoro Development Unin Wash Dc Metro Area ChapterPO BOX 1325, Lanham, MD 20703-13252010-08$3,725
Omega Club Incorporated705 Old Fallston Road Apt No 0, Fallston, MD 21047-23452008-09$0
Omega Gold Development Group IncPO BOX 111, Suitland, MD 20752-01112005-09$63,144
Omega Psi Phi Fraternity, 516 Pi Omega District 22003 Presbury St, Baltimore, MD 21217-11471953-01$191,332
Omega Psi Phi Fraternity, 735 Gamma Pi District 2PO BOX 4072, Capitol Hgts, MD 20791-40721953-01$77,220
Omega Psi Phi Fraternity, 842 Lambda Gamma Gamma District 2PO BOX 1787, Clinton, MD 20735-57871953-01$190,899
Omega Psi Phi Fraternity, 935 Theta Mu Mu District 2PO BOX 47277, Baltimore, MD 21244-02771953-01$8,200
Omega Psi Phi Fraternity, Tau Lambda Lambda ChapterPO BOX 1624, Waldorf, MD 206041953-01$58,394
Omega Psi Phi Fraternity, Tau Pi ChapterPO BOX 66, Columbia, MD 21045-00661953-01$98,515
Omid Foundation Usa6517 Lone Oak Dr, Bethesda, MD 20817-16712009-03$126,773
Omni House Foundation Inc1421 Madison Park Dr, Glen Burnie, MD 21061-56131991-07$9,144
Omni House IncPO BOX 1270, Glen Burnie, MD 21060-12701981-12$4,770,181
On Earth Peace Assembly IncPO BOX 188, New Windsor, MD 21776-01881982-05$527,362
On Our Own Frederick County Inc217 N Market St, Frederick, MD 21701-53341998-01$124,925
On Our Own Inc6301 Harford Rd, Baltimore, MD 21214-13161983-04$315,340
On Our Own Of Anne Arundel County Inc134 Holiday Ct Ste 304, Annapolis, MD 21401-70081999-12$121,222
On Our Own Of Calvert IncPO BOX 2961, Prnc Frederck, MD 20678-29611998-03$116,240
On Our Own Of Carroll County IncPO BOX 1174, Westminster, MD 21158-51742001-05$115,826
On Our Own Of Cecil County Inc114 E Main St, Elkton, MD 21921-59072001-06$115,130
On Our Own Of Howard County Inc6440 Dobbin Rd Ste B, Columbia, MD 21045-47701995-03$154,586
On Our Own Of Maryland Inc1521 S Edgewood St Ste C, Baltimore, MD 21227-11391994-05$1,010,686
On Our Own Of Montgomery County Inc434 E Diamond Ave, Gaithersburg, MD 20877-30181985-05$285,459
On Our Own Of Prince Georges County Inc6513 Queens Chapel Road 3rd Floor, University Park, MD 207821993-10$100,999
On Our Own Of St Marys Inc41660 Park Avenue, Leonardtown, MD 206502001-01$115,485
On Our Shoulders Inc4102 N Rogers Ave, Baltimore, MD 21207-71332002-12$106,456
On The Rebound Bulldog Rescue FoundationPO BOX 1124, Frederick, MD 21702-01242006-12$45,725
One Ace One Foundation11712 Capstan Dr, Uppr Marlboro, MD 20772-39212005-01$0
One Church One Child Of Maryland Inc1701 Madison Ave Ste 515, Baltimore, MD 21217-37441999-10$207,881
One House At A Time Inc3553 Chestnut Avenue, Baltimore, MD 21211-24432004-08$211,250
One Hundred Club Of Anne Arundel County Maryland IncPO BOX 911, Pasadena, MD 21123-09112000-12$62,159
One Song Many Voices Foundation5400 Mohican Rd, Bethesda, MD 20816-21622000-03$0
One Twelve West Inc126 W 25th St, Baltimore, MD 21218-50061977-11$27,415
One Way Bible Fellowship Inc8018 Carey Branch Dr, Ft Washington, MD 20744-44271982-05$1,013
Oneil Family Foundation Inc2 E Read St, Baltimore, MD 21202-24702008-01$2,360,835
Oneill Club Of Towson IncPO BOX 52, Lutherville, MD 21094-00522000-11$0
Onerva Laine Miller Charitable Tr, Miller Edward J Et Al Ttee5303 Yorktown Rd, Bethesda, MD 20816-28432004-01$400,018
Online School For Girls7303 River Rd, Bethesda, MD 20817-46402010-03$329,506
Opcmia Scholarship Foundation11720 Beltsville Dr Ste 700, Beltsville, MD 20705-31042010-11$30,000
Open Circle Theatre Inc, Open Circle Theatre500 King Farm Blvd Apt 102, Rockville, MD 20850-58392004-08$10,912
Open Door Community Development Corporation2611 E Fayette St, Baltimore, MD 21224-11061995-02$402,598
Open Door Foundation Inc8221 Preston Ct Ste D, Jessup, MD 20794-93681998-01$95,519
Open Door Missionary Church IncorporatedPO BOX 28, Lanham, MD 20703-00282007-05$134,256
Open Door Of Baltimore Inc518 Virginia Ave, Towson, MD 21286-53411988-04$2,582,029
Open Door Of Maryland Inc518 Virginia Avenue, Towson, MD 21286-53411992-08$1,918,820
Open Doors Career Center Inc5 N Main St Ste 210, Bel Air, MD 21014-88031985-05$604,928
Open Dor Foundation Inc5502 Western Ave, Chevy Chase, MD 20815-71222008-12$23,882
Open Gate Ministries IncPO BOX 432, Bryantown, MD 20617-04322005-11$130,316
Open Gates Inc702 W Lake Ave, Baltimore, MD 21210-13081992-12$108,551
Open Space Arts Organization Inc16 Hanover Rd, Reisterstown, MD 21136-10191991-05$0
Open Vision Ministry Inc5 Mink Hollow Ct, Owings Mills, MD 21117-48682007-05$0
Opendoor Housing Fund8605 Cameron St Ste 200, Silver Spring, MD 20910-37282003-06$470,480
Opera Vivente811 Cathedral St, Baltimore, MD 21201-52011999-10$177,659
Operating Eng 37 Apprentice Training Fund, 375901 Harford Rd Ste C, Baltimore, MD 21214-18511966-10$876,668
Operating Eng Skill Improvement & Joint Apprenticeship Committee911 Ridgebrook Road, Sparks, MD 21152-94591964-12$673,962
Operating Engineers Local 37 Health And Welfare Fund, 375901 Harford Rd Ste C, Baltimore, MD 21214-18511992-06$19,995,689
Operating Engineers Trust Fund Of Washington D C & Vicinity911 Ridgebrook Road, Sparks, MD 21152-94591950-11$17,434,893
Operation Embrace Foundation Inc2614 Oakenshield Dr, Potomac, MD 20854-29282003-05$211,102
Operation Fly Inc11408 Saddleview Pl, North Potomac, MD 20878-38622008-03$74,500
Operation Pulse Inc, Pulse530 E 22nd St, Baltimore, MD 21218-54051994-04$185,580
Operation Reachout Southwest Inc26 N Fulton Ave, Baltimore, MD 21223-16242004-09$39,464
Operation Second Chance Inc22708 Birchcrest Ln, Clarksburg, MD 20871-94002005-07$353,413
Operation Walk Maryland14023 Greencroft Ln, Cockeysville, MD 21030-11272008-06$119,306
Operative Plasterers & Cement Masons International Association, Pcm11720 Beltsville Dr Ste 700, Beltsville, MD 20705-31041940-07$29,294,717
Operative Plasterers Lu No 96 Health And Welfare FundBeltsville, MD 20705$288,908
Opportunity Builders Inc8855 Veterans Hwy, Millersville, MD 21108-24021965-09$5,756,470
Opticans Association Of MarylandPO BOX 135, Jarrettsville, MD 21084-01351964-01$18,043
Optimal Health Quest Inc84 River Oaks Cir, Baltimore, MD 21208-63591994-09$1
Optimist Club Foundation Of Rockville Md Inc14334 Chesterfield Rd, Rockville, MD 20853-19231987-01$614
Optimist Club Of Loch Raven Maryland Foundation Inc8719 Green Pastures Dr, Baltimore, MD 21286-21001996-07$22,615
Optimist International, 16135 Oc Of Washington-National Cap9721 Byeforde Rd, Kensington, MD 20895-36121944-11$42,416
Optimist International, 33 District Maryland-South Delaware9 Bristol Dr, Annapolis, MD 21401-22081958-07$40,869
Optimist International, 33075 Oc Of Dundalk Md1964 Eastfield Rd, Dundalk, MD 21222-31521958-07$37,218
Optimist International, 33090 Oc Of Frederick Md2335 Oak Dr, Ijamsville, MD 21754-86411966-02$30,347
Optimist International, 33095 Oc Of Carroll County-FreedomPO BOX 464, Sykesville, MD 21784-04641966-02$655,467
Optimist International, 33105 Syb Oc Of Lusby MarylandPO BOX 1014, Lusby, MD 20657-10141958-07$66,525
Optimist International, 33177 Oc Of Annapolis MdPO BOX 6302, Annapolis, MD 21401-03021958-07$42,108
Optimist International, 33182 Oc Of Mechanicsville MdPO BOX 301, Mechanicsvlle, MD 20659-03011958-07$77,212
Optimist International, 33211 Oc Of Ocean City-Berlin Md10705 Admirals Lassie Ln, Berlin, MD 21811-27611958-07$169,186
Optimist International, 33265 Oc Of Salisbury Md515 S Pinehurst Ave, Salsbury, MD 21801-61221966-02$85,139
Optimist International, 33269 Oc Of Bushwood 7th District23678 Hurry Rd, Chaptico, MD 20621-23201968-10$277,042
Optimist International, 33339 Talbot Oc Of Easton MarylandPO BOX 959, St Michaels, MD 21663-09591958-07$35,148
Or Haner Inc400 Mt Wilson Lane, Baltimore, MD 21208-11082001-07$313,115
Orchard Beach Volunteer Fire Department Inc Orchard Beach7549 Solley Rd, Glen Burnie, MD 21060-83211942-06$358,865
Order My Steps Ministry Inc5500 Ruxton Dr, Lanham, MD 20706-25362007-08$300
Order Of Ahepa, 298 Daughter Of Penelope15115 Interlachen Dr Apt 606, Silver Spring, MD 20906-56411959-09$0
Order Of Quetzalcoatl Plumed Serpent, 100 Ches-A-Peake-Teocalli7814 Main Falls Cir, Catonsville, MD 21228-24261997-08$28,696
Order Of The Alhambra4200 Leeds Ave, Baltimore, MD 21229-54211953-01$214,260
Order Of The Alhambra, 16 Alcala Caravan8223 Dorset Ave, Baltimore, MD 21237-16151953-01$57,378
Order Of The Alhambra, 265 Fatima Caravan5009 40th Pl Apt 206, Hyattsville, MD 20781-21401953-01$364
Order Of The Alhambra, 89 Wamba Caravan926 Artic Ave, La Vale, MD 215021972-09$244,857
Order Of The Alhambra, Convention Inc4200 Leeds Ave, Baltimore, MD 21229-54211953-01$75,899
Order Of The Alhambra, Special Fund Inc4100 Leeds Ave, Baltimore, MD 212291953-01$875,159
Order Of The Eastern Star Of Delaware, 5 Adah ChapterPO BOX 203, Princess Anne, MD 21853-02031972-12$0
Order Of The Eastern Star Of Maryland Grand Chapter304 International Cir, Cockeysville, MD 21030-13001940-07$94,052
Order Of The Eastern Star Of Maryland Grand Chapter, Star Community Hall Of Hebbuille In1614 Parkman Ave, Baltimore, MD 21230-10201940-07$0
Order Of The Eastern Star Of Maryland, Group Return304 International Cir, Cockeysville, MD 21030-13001940-07$332,790
Ordnance Museum Foundation IncPO BOX 688, Aber Prov Grd, MD 21005-06881992-05$0
Oregon Ridge Nature Center Council13555 Beaver Dam Rd, Cockeysville, MD 21030-15061982-02$62,017
Orfeia Vocal Ensemble, Orfeia9516 Colesville Rd, Silver Spring, MD 20901-48572008-12$0
Organization For Safety Asepsis And PreventionPO BOX 6297, Annapolis, MD 21401-02971995-09$405,299
Organization For The Relief Of Underprivileged Women And Children2594 Sun Valley Dr, Waldorf, MD 20603-59322006-08$600
Organization Of Black Airline Pilots8630 Fenton St Ste 126, Silver Spring, MD 20910-38031981-04$450,971
Organization Of Chinese Americans Inc, Greater Washington Dc ChapterPO BOX 10433, Rockville, MD 20849-04331975-04$34,244
Organization Of Hispanic-Latin Americans Of Anne Arundel Co Inc2986 Poplar Trl, Annapolis, MD 21401-72351999-08$4,978
Origin-Of-Life Foundation Inc113 Hedgewood Dr, Greenbelt, MD 20770-16101997-06$129
Original Radio4121 Taylor Ave, Baltimore, MD 21236-46092005-08$235
Oriole Advocates Inc1820 Palo Cir, Halethorpe, MD 21227-49101967-08$17,651
Oriole Dog Training Club Incorporated4225 Colonial Rd, Pikesville, MD 212081995-10$275,314
Orion Charitable Foundation Inc201 N Charles St Ste 2400, Baltimore, MD 21201-41102001-01$199,369
Orokawa Foundation Inc, Martin J Eby305 Washington Ave Ste 204, Towson, MD 21204-47302005-01$9,956,990
Oromo Christian Fellowship Inc, Under Development3101 University Blvd W, Kensington, MD 20895-18481988-04$101,096
Orphan House And Episcopal Free School Society Of All Saints Churc7210 Indian Summer Ln, Frederick, MD 21702-30811986-09$272,020
Orphaned Wildlife Rescue Center Inc12199 Bonanza Trl, Lusby, MD 20657-36022000-10$29,470
Osap Foundation IncPO BOX 6297, Annapolis, MD 21401-02971996-05$304,685
Osprey Foundation Inc305 Washington Ave Ste 204, Baltimore, MD 21204-47302003-02$16,485,619
Osteogenesis Imperfecta Foundation Inc804 W Diamond Ave Ste 210, Gaithersburg, MD 20878-14141970-11$2,595,725
Other Voices Inc244 S Jefferson St Ste B, Frederick, MD 21701-62121998-12$74,294
Otter Point Boat Club IncPO BOX 236, Kingsville, MD 21087-02361970-09$180,082
Ottey Homes Inc230 W Patrick St, Frederick, MD 21701-69452003-04$70,441
Ottley Music School Inc6525 Belcrest Rd, Hyattsville, MD 20782-20032002-01$217,021
Otto Schroedel Foundation31 S Lake Way, Reisterstown, MD 21136-5923$5,007
Our Fathers Divine Work Inc13 Fairwood View Ct, Phoenix, MD 21131-13011994-02$440,201
Our Fortress Homes Inc5411 Old Frederick Rd, Baltimore, MD 21229-21952004-06$1,127,987
Our House Inc19715 Zion Rd, Brookeville, MD 20833-15051990-10$1,080,155
Our Lady Of The Woods Corporation6801 Greentree Rd, Bethesda, MD 20817-22101975-07$6,705,678
Our Ladys Center Inc3301 Rogers Ave, Ellicott City, MD 21043-41051981-09$123,810
Our Little Jewels Inc9221 Dunloggin Rd, Ellicott City, MD 21042-52452008-10$33,140
Our Money Place Inc26 N Fulton Ave, Baltimore, MD 21223-16242003-03$108,827
Our Saviors Business Inc, The Office Of Small Business Incorp2913 Baller St, Baltimore, MD 212161989-04$1

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