Buffalo Bayou Partnership 76-0183954 Click to copy TX Environment 20 Coastal Prairie Conservancy 76-0377029 Click to copy TX Environment 17 Houston Arboretum & Nature Center 74-1587880 Click to copy TX Environment 17 Houston Parks Board 74-1860046 Click to copy TX Philanthropy 16 Trees for Houston 76-0046318 Click to copy TX Environment 15 Alley Theatre 74-1143076 Click to copy TX Arts and Culture 14 Asia Society Texas Center 03-0433949 Click to copy TX Arts and Culture 13 Urban Harvest Inc 76-0501430 Click to copy TX Environment 12 Bakerripley 23-7062976 Click to copy TX Human Services 11 Camp for All Foundation 76-0404267 Click to copy TX Youth Development 11 Communities in Schools of Houston Inc 76-0031827 Click to copy TX Education 11 Breakthrough Houston 83-0924608 Click to copy TX Education 10 Children at Risk Inc 76-0360533 Click to copy TX Crime and Legal 10 Hope and Healing Center & Institute 45-3305276 Click to copy TX Religion 10 Menil Foundation Inc 74-6045327 Click to copy TX Arts and Culture 10 New Hope Housing Inc 73-1419279 Click to copy TX Housing 10 Armand Bayou Nature Center Inc 23-7403757 Click to copy TX Environment 9 Bayou Preservation Association Inc 74-6075031 Click to copy TX Environment 9 Childrens Museum Inc 74-2178563 Click to copy TX Arts and Culture 9 Citizens for Animal Protection Inc 23-7296260 Click to copy TX Animals 9 Contemporary Arts Museum Houston 74-1093771 Click to copy TX Arts and Culture 9 Crime Stoppers of Houston Inc 74-2137744 Click to copy TX Crime and Legal 9 Healthcare for the Homeless-Houston 76-0647934 Click to copy TX Human Services 9 Houston Humane Society 74-1340341 Click to copy TX Animals 9 Houston Wilderness Inc 42-1573695 Click to copy TX Environment 9 Pro-Vision Inc 76-0336711 Click to copy TX Religion 9 Project Row Houses 76-0411778 Click to copy TX Arts and Culture 9 Rothko Chapel 22-7229934 Click to copy TX Religion 9 The Rose 76-0193812 Click to copy TX Disease and Disorders 9 Archway Academy 20-0120322 Click to copy TX Education 8 Bridgeyear 81-4848803 Click to copy TX Human Services 8 Discovery Green Conservancy 20-1951465 Click to copy TX Recreation and Sports 8 Glenwood Cemetery Historic Preservation Foundation 76-0613217 Click to copy TX Arts and Culture 8 Gulf Coast Bird Observatory Inc 76-0553113 Click to copy TX Animals 8 Houston Ballet Foundation 74-1394920 Click to copy TX Arts and Culture 8 Houston Grand Opera Association Inc 74-6016764 Click to copy TX Arts and Culture 8 Houston Hospice 74-2092951 Click to copy TX Human Services 8 Memorial Assistance Ministries Inc 76-0044172 Click to copy TX Human Services 8 Mental Health America of Greater Houston Inc 74-1272394 Click to copy TX Mental Health 8 River Oaks Chamber Orchestra 30-0288750 Click to copy TX Arts and Culture 8 Search Homeless Services 76-0260403 Click to copy TX Human Services 8 Stages 74-2090278 Click to copy TX Arts and Culture 8 Theatre Under the Stars Inc 74-1621647 Click to copy TX Arts and Culture 8 University of Houston Foundation 74-6041411 Click to copy TX Education 8 University of Texas Law School Foundation 74-6056794 Click to copy TX Education 8 American Festival for the Arts 76-0460311 Click to copy TX Arts and Culture 7 Barbara Bush Houston Literacy Foundation 46-5037878 Click to copy TX Philanthropy 7 Bayou Land Conservancy 76-0557498 Click to copy TX Environment 7 Camp Allen-Camp and Conference Center 74-6016479 Click to copy TX Religion 7 Center for Hearing and Speech 74-6003178 Click to copy TX Education 7