Hillwood Estate Museum & Gardens 52-6080752 Click to copy DC Arts and Culture 10 Protestant Episcopal Cathedral Foundation of the D of C 53-0196604 Click to copy DC Religion 9 Choral Arts Society of Washington 52-0895826 Click to copy DC Arts and Culture 8 Collegiate Directions Incorporated 20-3675989 Click to copy MD Education 8 Potomac Conservancy Inc 52-1842501 Click to copy MD Environment 8 Washington Ballet 52-0846173 Click to copy DC Arts and Culture 8 Bright Beginnings Inc 52-1697917 Click to copy DC Human Services 7 Metropolitan Club Preservation Foundation 52-2063793 Click to copy DC Arts and Culture 7 New Futures 52-2180378 Click to copy DC Human Services 7 The Washington Chorus Inc 52-6054269 Click to copy DC Arts and Culture 7 Washington Jesuit Academy 52-2336694 Click to copy DC Education 7 Washington National Opera 53-0237707 Click to copy DC Arts and Culture 7 Building Bridges Across the River 52-2013526 Click to copy DC Community Improvement 6 Christ Church Parish of Georgetown 53-0204680 Click to copy DC Religion 6 Friends of the National Arboretum Inc 52-1257712 Click to copy DC Environment 6 Literacy Lab 27-1777117 Click to copy DC Education 6 Stratford Hall 54-0536105 Click to copy VA Arts and Culture 6 Washington Performing Arts Society 52-6062439 Click to copy DC Arts and Culture 6 Washington Winter Show Inc 27-1448708 Click to copy DC Philanthropy 6 Bethesda Chevy Chase Rescue Squad Inc 52-0583872 Click to copy MD Health 5 Christ House 52-1362103 Click to copy DC Housing 5 Ford S Theatre Society 52-6073157 Click to copy DC Arts and Culture 5 Free Minds Book Club & Writing Workshop 43-2066514 Click to copy DC Education 5 Georgetown Ministry Center 52-1577694 Click to copy DC Human Services 5 Hancock Shaker Village Inc 04-2281657 Click to copy MA Arts and Culture 5 Higher Achievement Program Inc 52-1383374 Click to copy DC Education 5 Hortons Kids Inc 52-1755403 Click to copy DC Education 5 Joseph Robert Shaw Foundation Inc 82-0765105 Click to copy DC Health 5 Jubilee Jobs Inc 52-1248559 Click to copy DC Employment 5 Levine Music Inc 52-1063325 Click to copy DC Arts and Culture 5 Planned Parenthood Association of Metropolitan Washington D C Inc 53-0204621 Click to copy DC Health 5 Potomac School 54-0562160 Click to copy VA Education 5 Shakespeare Theatre 52-1405988 Click to copy DC Arts and Culture 5 Signature Theatre Inc 62-1417785 Click to copy VA Arts and Culture 5 Sitar Arts Center 52-2113471 Click to copy DC Arts and Culture 5 Washington Concert Opera 52-1473747 Click to copy DC Arts and Culture 5 Wilderness Leadership & Learning Inc 13-4256302 Click to copy DC Recreation and Sports 5 826DC Inc 26-2426166 Click to copy DC Youth Development 4 American University of Beirut 13-5596846 Click to copy NY Education 4 Appletree Institute for Education Innovation Inc 04-3331760 Click to copy DC Education 4 Atlas Performing Arts Center 52-2358563 Click to copy DC Arts and Culture 4 Blair House Foundation 52-1401505 Click to copy DC Arts and Culture 4 Calvary Womens Services Inc 52-1307706 Click to copy DC Housing 4 Campagna Center Inc 54-0534609 Click to copy VA Human Services 4 Centronia 25-1689720 Click to copy DC Human Services 4 Chesapeake Bay Maritime Museum Inc 23-7051889 Click to copy MD Arts and Culture 4 Corporation of the Washington Latin School 20-2395640 Click to copy DC Education 4 Dance Institute of Washington Inc 52-1851373 Click to copy DC Arts and Culture 4 DC Bilingual Public Charter School 20-0412800 Click to copy DC Education 4 DC Greens Inc 26-4527988 Click to copy DC Community Improvement 4