Houston Arboretum & Nature Center 74-1587880 Click to copy TX Environment 11 Texas Appleseed 74-2804268 Click to copy TX Community Improvement 11 Buffalo Bayou Partnership 76-0183954 Click to copy TX Environment 9 Houston Parks Board 74-1860046 Click to copy TX Philanthropy 9 Trees for Houston 76-0046318 Click to copy TX Environment 9 Will Erwin Headache Research Foundation 46-4886305 Click to copy TX Environment 9 Asia Society Texas Center 03-0433949 Click to copy TX Arts and Culture 8 Communities in Schools of Houston Inc 76-0031827 Click to copy TX Education 8 Equal Justice Works 52-1469738 Click to copy DC Crime and Legal 8 Houston Audubon Society 23-7011870 Click to copy TX Environment 8 New Hope Housing Inc 73-1419279 Click to copy TX Housing 8 American Immigration Council 52-1549711 Click to copy DC Crime and Legal 7 Archway Academy 20-0120322 Click to copy TX Education 7 Bakerripley 23-7062976 Click to copy TX Human Services 7 Children at Risk Inc 76-0360533 Click to copy TX Crime and Legal 7 Dallas Bar Association Community Service Fund 75-2410525 Click to copy TX Crime and Legal 7 Texas Freedom Network Education Fund 74-2788317 Click to copy TX Civil Rights 7 Water Foundation 37-1833985 Click to copy CA Environment 7 Alley Theatre 74-1143076 Click to copy TX Arts and Culture 6 Amigos De Las Americas 74-1547146 Click to copy TX International 6 Bridges to Life 76-0588279 Click to copy TX Crime and Legal 6 Camp for All Foundation 76-0404267 Click to copy TX Youth Development 6 Center for Effective Philanthropy Inc 04-3523528 Click to copy MA Philanthropy 6 Center for Pursuit 74-1272417 Click to copy TX Human Services 6 Coalition for the Homeless of Houston/Harris County 76-0257018 Click to copy TX Housing 6 Crime Stoppers of Houston Inc 74-2137744 Click to copy TX Crime and Legal 6 Dallas Symphony Association Inc 75-0705442 Click to copy TX Arts and Culture 6 Dallas Theater Center 75-0959992 Click to copy TX Arts and Culture 6 Girl Scouts of Northeast Texas 75-1101571 Click to copy TX Youth Development 6 Healthcare for the Homeless-Houston 76-0647934 Click to copy TX Human Services 6 Healthy Gulf 72-1447742 Click to copy LA Environment 6 Hope and Healing Center & Institute 45-3305276 Click to copy TX Religion 6 Houston Arts Alliance 74-1946756 Click to copy TX Arts and Culture 6 Independent Sector 52-1081024 Click to copy DC Philanthropy 6 J N Pew Jr Charitable Trust 23-6299309 Click to copy PA Philanthropy 6 Jolt Initiative 82-1708759 Click to copy TX Civil Rights 6 Menil Foundation Inc 74-6045327 Click to copy TX Arts and Culture 6 Mississippi Center for Justice 13-4203234 Click to copy MS Crime and Legal 6 National Archives Foundation 52-1792608 Click to copy DC Arts and Culture 6 Oficina Legal Del Pueblo Unido Inc 74-1995879 Click to copy TX Crime and Legal 6 Rothko Chapel 22-7229934 Click to copy TX Religion 6 Springspirit Inc 80-1205223 Click to copy TX Recreation and Sports 6 Texas 2036 81-3063099 Click to copy TX Public Benefit 6 Texas State History Museum Foundation 74-2916783 Click to copy TX Philanthropy 6 Texas Womens Foundation 75-2048261 Click to copy TX Philanthropy 6 The Rose 76-0193812 Click to copy TX Disease and Disorders 6 The Texas Democracy Foundation 74-2619883 Click to copy TX Arts and Culture 6 Unidosus 86-0212873 Click to copy DC Unclassified 6 University of Houston Foundation 74-6041411 Click to copy TX Education 6 University of Houston Law Foundation 74-1732551 Click to copy TX Education 6