| 45,835 Maryland Tax-Exempt Organizations |
|
| Name | Address | Established | Total Income |
|---|
| Open Hands | 15204 Dalebrooke Dr, Bowie, MD 20721-3254 | 2013-04 | $5,700 |
| Open Heart Church Of Christ Inc | 6803 Marlboro Pike, District Heights, MD 20747 | 2003-05 | $0 |
| Open Heart Project Inc | PO BOX 638, Arnold, MD 21012-4638 | 2006-08 | $0 |
| Open Heart Sanctuary | 4315 Garrison Blvd, Baltimore, MD 21215 | 2012-02 | $0 |
| Open Heaven Realities Inc | 8507 Wellington Valley Way, Lutherville, MD 21093-3939 | 2012-08 | $2,836 |
| Open Heavens Transformation Ministries | 9516 Toucan Dr, Uppr Marlboro, MD 20772-4781 | 2013-04 | $31,054 |
| Open Knowledge Collaborative | 1603 E Market St, Charlottesville, VA 22902 | 2013-04 | $1,500 |
| Open Korean Baptist Church | 9580 Old Route 108, Ellicott City, MD 21042-6356 | 1963-10 | $0 |
| Open Mind International Inc | 6836 Capri Place, Bethesda, MD 20817 | 2014-01 | $16,526 |
| Open Radio For North Korea Inc | 1703 Ew Hwy Apt 511, Silver Spring, MD 20910-3031 | 2008-11 | $0 |
| Open Space Arts Organization Inc, Open Space Arts | 16 Hanover Road, Reisterstown, MD 21136 | 1991-05 | $15,855 |
| Open The Cages Alliance | 932 N Charles Street 3r, Baltimore, MD 21201 | 2013-07 | $0 |
| Open Veil Society | 2209 Commrece Road Suite 4, Forrest Hill, MD 21050 | 2009-04 | $0 |
| Open Vision Ministry Inc | 5 Mink Hollow Court, Owings Mills, MD 21117 | 2007-05 | $0 |
| Opendoor Housing Fund | PO BOX 151205, Alexandria, VA 22315-1205 | 2003-06 | $675,830 |
| Opened Arms Inc | 4013 Walnut Ave, Baltimore, MD 21206-1523 | 2007-10 | $0 |
| Opening Doors Inc | PO BOX 441921, Ft Washington, MD 20749-1921 | 2001-04 | $0 |
| Opera Vivente | 1857 Cape May Rd, Baltimore, MD 21221 | 1999-10 | $220,741 |
| Operating Eng 37 Apprentice Training Fund, 37 | 3615 North Point Blvd Ste C, Baltimore, MD 21222-2727 | 1966-10 | $826,096 |
| Operating Eng Skill Improvement & Joint Apprenticeship Committee | 911 Ridgebrook Road, Sparks, MD 21152-9459 | 1964-12 | $702,421 |
| Operating Engineers Local 37 Health And Welfare Fund, 37 | 3615 North Point Blvd - Suite C, Baltimore, MD 21222-2727 | 1992-06 | $33,165,776 |
| Operating Engineers Trust Fund Of Washington D C & Vicinity | 911 Ridgebrook Road, Sparks, MD 21152-9459 | 1950-11 | $43,885,239 |
| Operation Champs | 7601 Carter Ct, Bethesda, MD 20817 | 2013-01 | $0 |
| Operation Chiropractic Inc | 117 Meadowbrook Way, Centreville, MD 21617 | 2013-10 | $55,394 |
| Operation Embrace Foundation Inc | 2614 Oakenshield Dr, Potomac, MD 20854-2928 | 2003-05 | $232,811 |
| Operation Enduring Respect Inc | 815 Elm Dr, West River, MD 20778-9607 | 2011-11 | $89,837 |
| Operation Fly Inc | 14213 Manifest Way, North Potomac, MD 20878-4270 | 2008-03 | $3,500 |
| Operation Hope India Inc | 1018 White Marsh Rd, Centerville, MD 21617-2525 | 2008-06 | $0 |
| Operation Incubation Inc | 16b Dutton Ave, Catonsville, MD 21228 | 2011-11 | $0 |
| Operation Life Incorporated | 2206 Guilford Ave, Baltimore, MD 21218-5815 | 1984-11 | $0 |
| Operation Life Ministries Ltd | 5220 York Rd Apt 8r 150, Baltimore, MD 21212 | 1994-10 | $0 |
| Operation Lourdes Helping Heroes Heal Inc | 6029 Toomey Ln, Elkridge, MD 21075-4500 | 2014-02 | $5,070 |
| Operation Pulse Inc, Pulse | 530 E 22nd St, Baltimore, MD 21218-5405 | 1994-04 | $191,455 |
| Operation Reachout Southwest Inc | 26 N Fulton Ave, Baltimore, MD 21223-1624 | 2004-09 | $39,464 |
| Operation Restoration Ltd | 6 E 4th St, Frederick, MD 21701-5257 | 2014-06 | $0 |
| Operation Save A Child | 628 West Watersvile Road, Mount Airy, MD 21771 | 2013-03 | $0 |
| Operation Seareach Inc | PO BOX 15008, Baltimore, MD 21282-5008 | 1985-11 | $0 |
| Operation Seareach Of Maryland Inc | 3000 Woods End Dr, Joppa, MD 21085-2716 | 1989-04 | $0 |
| Operation Second Chance Inc | 22708 Birchcrest Ln, Clarksburg, MD 20871-9400 | 2005-07 | $934,811 |
| Operation Transformation Inc | 5348 Deale Churchton Rd, Churchton, MD 20733-9625 | 2012-01 | $0 |
| Operation Turnaround Community Inc | 300 N Monroe St, Baltimore, MD 21223-1603 | 2003-04 | $0 |
| Operation Walk Maryland | 10807 Falls Road, Brooklandville, MD 21022-7500 | 2008-06 | $697,108 |
| Operation Warrior Refuge | Po Box 2032, Leonardtown, MD 20650 | 2014-09 | $0 |
| Operation We Care Inc | 1008 S Salisbury Blvd, Salisbury, MD 21801 | 2012-09 | $82,511 |
| Operational Tactics Incorporated | PO BOX 3111, Hagerstown, MD 21741 | 1996-08 | $0 |
| Operations Research Society Of America Inc | 940 A Elkridge Landing Rd, Linthicum, MD 21090-2917 | 1953-07 | $0 |
| Operative Plasterers & Cement Masons International Association | 4100 Martin Luther King Jr Drive Sw, Atlanta, GA 30336 | 1952-08 | $0 |
| Operative Plasterers & Cement Masons International Association, Pcm | 11720 Beltsville Dr Ste 700, Beltsville, MD 20705-3104 | 1940-07 | $16,035,234 |
| Operative Plasterers Lu No 96 Health And Welfare Fund | Beltsville, MD 20705 | | $288,908 |
| Opportunities For The Blind Inc | PO BOX 540, Funkstown, MD 21734 | 1958-07 | $0 |
| Opportunities Provided Through Interactively Organized Network, Systems Inc | 11141 Georgia Ave Ste 202, Wheaton, MD 20902-4657 | 1995-08 | $0 |
| Opportunity Builders Assoc Of Parents Inc | 605 E Pasadena Rd, Pasadena, MD 21122 | 1979-11 | $0 |
| Opportunity Builders Inc | 8855 Veterans Hwy, Millersville, MD 21108-2402 | 1965-09 | $8,557,411 |
| Opportunity Ministries Inc, Opportunity House | 212 Sillery Bay Rd, Pasadena, MD 21122-5946 | 2014-12 | $171,386 |
| Opportunity Skyway Inc | 6709 Cpl Frank Scott Dr, Gollege Park, MD 20740 | 1992-05 | $0 |
| Opsa Dc Metro Inc | 10202 Juniper Drive, Bowie, MD 20721 | 2014-08 | $0 |
| Opsec Professionals Society Inc | 9200 Centerway Rd, Gaithersburg, MD 20879-1841 | 1990-11 | $0 |
| Opticans Association Of Maryland | PO BOX 135, Jarrettsville, MD 21084-0135 | 1964-01 | $18,043 |
| Optimal Health Quest Inc | 84 River Oaks Cir, Baltimore, MD 21208-6359 | 1994-09 | $1 |
| Optimal Wellness Research Foundation Inc | 10005 Old Columbia Rd Ste P170, Columbia, MD 21046-1727 | 2014-05 | $0 |
| Optimist Club Foundation Of Rockville Md Inc | 14334 Chesterfield Rd, Rockville, MD 20853-1923 | 1987-01 | $10 |
| Optimist Club Of Loch Raven Maryland Foundation Inc | 8719 Green Pastures Dr, Baltimore, MD 21286-2100 | 1996-07 | $56,923 |
| Optimist Foundation Of Chestertown | 115 Flatland Road, Chestertown, MD 21620 | 2004-02 | $0 |
| Optimist International | No Box Number, Saint Leonard, MD 20685 | 1958-07 | $0 |
| Optimist International | Route 3 Box 165, Ridgeley, WV 26753 | 1958-07 | $0 |
| Optimist International | Po Box 369, Hollywood, MD 20636 | 1958-07 | $0 |
| Optimist International | 400 Everett Road, Monkton, MD 21111 | 1958-07 | $0 |
| Optimist International | PO BOX 130, Solomons, MD 20688 | 2014-09 | $1,134 |
| Optimist International 33348 Oc Of Howard County Md, 33348 Howard Md | 2846 Pebble Beach Dr, Ellicott City, MD 21042-7604 | 1958-07 | $0 |
| Optimist International, 16135 Oc Of Washington-National Cap | 9721 Byeforde Rd, Kensington, MD 20895-3612 | 1944-11 | $46,786 |
| Optimist International, 33000 Optimist Club Tall Timbers 2n | 18275 Harborview Ln, Valley Lee, MD 20692-3230 | 1958-07 | $0 |
| Optimist International, 33040 Braddock Heights Md | 4611 Mockingbird Ln, Frederick, MD 21703-6954 | 1958-07 | $0 |
| Optimist International, 33052 Oc Of Woodlawn-Gwynn Oak Md | 4209 Summer Shade Way, Owings Mills, MD 21117-4894 | 1958-07 | $0 |
| Optimist International, 33062 Cockeysville Md | 504 Hampton Ln, Baltimore, MD 21286-1310 | 1967-10 | $0 |
| Optimist International, 33075 Oc Of Dundalk Md | 1964 Eastfield Rd, Dundalk, MD 21222-3152 | 1958-07 | $39,847 |
| Optimist International, 33090 Oc Of Frederick Md | 2335 Oak Dr, Ijamsville, MD 21754-8641 | 1966-02 | $5,617 |
| Optimist International, 33095 Oc Of Carroll County-Freedom | 5910 Forest Ct, Sykesville, MD 21784-6713 | 1966-02 | $543,611 |
| Optimist International, 33105 Syb Oc Of Lusby Maryland | PO BOX 1014, Lusby, MD 20657-1014 | 1958-07 | $155,847 |
| Optimist International, 33120 Oc Of Baltimore-Hamilton Md | 5004 Pilgrim Rd, Baltimore, MD 21214-2146 | 1959-10 | $0 |
| Optimist International, 33177 Oc Of Annapolis Md | 1248 Algonquin Rd, Crownsville, TX 79772 | 1958-07 | $24,502 |
| Optimist International, 33182 Oc Of Mechanicsville Md | PO BOX 301, Mechanicsvlle, MD 20659-0301 | 1958-07 | $86,139 |
| Optimist International, 33211 Oc Of Ocean City-Berlin Md | PO BOX 26, Ocean City, MD 21843-0026 | 1958-07 | $198,974 |
| Optimist International, 33237 Towson Providence Valley Md | 915 Breezewick Cir, Towson, MD 21286-3302 | 1972-01 | $0 |
| Optimist International, 33245 Oc Of Randallstown Md | 949 Westcliff Ct, Westminster, MD 21158-4419 | 1958-07 | $0 |
| Optimist International, 33250 Reisterstown-Owings Mills Md | 111 S Tollgate Rd, Owings Mills, MD 21117-3349 | 1958-07 | $0 |
| Optimist International, 33265 Optimist Club Of Salisbury Md | PO BOX 744, Salisbury, MD 21803-0744 | 1958-07 | $83,386 |
| Optimist International, 33269 Oc Of Bushwood 7th District | 28650 Old Village Rd, Mechanicsvlle, MD 20659-3459 | 1968-10 | $298,790 |
| Optimist International, 33292 Severna Park Md | 202 Triple Oak Ct, Severna Park, MD 21146-3700 | 1958-07 | $0 |
| Optimist International, 33337 Waldorf Wildcats Youth Ath Md | 3500 Sugar Maple Ct, Waldorf, MD 20602-2625 | 1997-05 | $0 |
| Optimist International, 33339 Talbot Oc Of Easton Maryland | 9013 Treesdale Dr, Easton, MD 21601-6429 | 1958-07 | $38,017 |
| Optimist International, 33349 Towson University Md | 1013 St Charles Ave, Baltimore, MD 21229-4982 | 1958-07 | $0 |
| Optimist International, 33350 Kent Island Optimist Club Of | 2406 Love Point Rd, Stevensville, MD 21666-2056 | 1958-07 | $0 |
| Optimist International, Breakfast Optimist Club Of Dundalk Inc | 7822 Jamesford Road, Baltimore, MD 21222 | 1958-07 | $0 |
| Optimist International, Cherry Hill Optimist Club | 803 Old County Road, Severna Park, MD 21146 | 1958-07 | $0 |
| Optimist International, Chestertown Optimist Club Inc | P O Box 811, Chestertown, MD 21620 | 1972-01 | $0 |
| Optimist International, Fort Smallwood Optimist Club | 1087 Woodlawn Ave, Pasadena, MD 21122 | 1958-07 | $6,410 |
| Optimist International, Greater Jacksonville Optimist Club | Po Box 442, Phoenix, MD 21131 | 1958-07 | $0 |
| Optimist International, Hereford Optimist Club Inc | Po Box 243, Monkton, MD 21111 | 1958-07 | $0 |
| Optimist International, Northwest Baltimore Optimist Club | 803 Old County Rd, Severna Park, MD 21146 | 1958-07 | $3,735 |
| Optimist International, Optimist Club Of Calvert - Prince Frederick | Po Box 2422, Prince Frederick, MD 20685 | 1969-09 | $0 |
| Optimist International, Optimist Club Of Compton Third District | 40500 Juniors Court, Leonardtown, MD 20650 | 1958-07 | $0 |
| Optimist International, Optimist Club Of Fourth District Chaptico | Po Box 433, Chaptico, MD 20621 | 1958-07 | $0 |
| Optimist International, Optimist Club Of Loch Raven Inc | 8719 Green Pastures Drive, Towson, MD 21286 | 1958-06 | $0 |
| Optimist International, Optimist Club Of Rockville Maryland | 14334 Chesterfield Rd, Rockville, MD 20853-1923 | 1958-07 | $0 |
| Optimist International, Optimist Club Of St Maries Inc | Po Box 833, California, MD 20619 | 1958-07 | $0 |
| Optimist International, Timonium Optimist Club | Po Box 262, Timonium, MD 21094 | 1958-07 | $0 |
| Optimist International, Westminster Optimist Club | Po Box 221, Westminster, MD 21158 | 1958-07 | $0 |
| Optimum Development Impact, Same As Line 1 | PO BOX 10967, Silver Spring, MD 20914-0967 | 2007-12 | $0 |
| Optimum Youth Performance | 10 Melrob Ct Apt 103, Annapolis, MD 21403 | 2010-04 | $0 |
| Opus B Inc | 3501 Woodbrook Ave, Baltimore, MD 21217-2042 | 1990-01 | $0 |
| Or Haner Inc | 400 Mount Wilson Ln, Baltimore, MD 21208-1108 | 2001-07 | $202,377 |
| Or Haolam Light Of The World Ministries Inc | 22108 Creekview Dr, Gaithersburg, MD 20882-1300 | 2013-09 | $67,955 |
| Ora-Ekpen Association Usa Inc | 8605 Cameron St Ste 316, Silver Spring, MD 20910-3719 | 2005-08 | $0 |
| Oracles & Utterances Incorporated | Po Box 511, Owings, MD 20736 | 2003-03 | $0 |
| Oracles Of God Mission Church | PO BOX 1050, Lanham, MD 20703-1050 | 1964-08 | $0 |
| Orange Alliance | 2011 Lanier Drive, Silver Spring, MD 20910 | 2013-02 | $0 |
| Orangutan Watch Inc | 12608 Holdridge Rd, Silver Spring, MD 20906 | | $0 |
| Orchard Beach Volunteer Fire Department Inc Orchard Beach | 7549 Solley Rd, Glen Burnie, MD 21060-8321 | 1942-06 | $227,705 |
| Orchards Association Inc | Po Box 26262, Baltimore, MD 21210 | 2012-03 | $0 |
| Orchestra Project | 9417 Chatteroy Pl, Montgomry Vlg, MD 20886-1425 | 2014-02 | $35,300 |
| Orcid Inc | 10411 Motor City Dr Ste 750, Bethesda, MD 20817-1289 | 2013-04 | $509,251 |
| Order My Steps Ministry Inc | 5500 Ruxton Dr, Lanham, MD 20706-2536 | 2007-08 | $300 |
| Order Of Ahepa | 95 Nicholas Alexander Dr, Port Deposit, MD 21904 | 1972-10 | $0 |
| Order Of Ahepa | 424 Camway Dr, Wilmington, NC 28403-3414 | 1959-09 | $0 |
| Order Of Ahepa, 272 Maids Of Athena Chapter | 4313 Knox Rd Apt 608, College Park, MD 20740-3139 | 1959-09 | $0 |
| Order Of Ahepa, Ahepa Chapter No 236 | 10705 Glenhaven Dr, Silver Spring, MD 20902 | 1972-10 | $0 |
| Order Of Ahepa, Ahepa Chapter No 286 | 811 Northfield Lane, Crownsville, MD 21032 | 1972-10 | $0 |
| Order Of Ahepa, Ahepa Chapter No 30 | 1 Seaberry Court, Timonium, MD 21093 | 1972-10 | $0 |
| Order Of Ahepa, Ahepa Chapter No 31 | 10417 Windsorview Dr, Potomac, MD 20854 | 1972-10 | $0 |
| Order Of Ahepa, Ahepa Chapter No 383 | 33 Trailridge Court, Potomac, MD 20854 | 1972-10 | $0 |
| Order Of Ahepa, Ahepa Chapter No 535 | 306 Powdersby Road, Joppa, MD 21085 | 1959-09 | $0 |