Houston Parks Board 74-1860046 Click to copy TX Philanthropy 15 Houston Arboretum & Nature Center 74-1587880 Click to copy TX Environment 13 Buffalo Bayou Partnership 76-0183954 Click to copy TX Environment 12 Coastal Prairie Conservancy 76-0377029 Click to copy TX Environment 12 Houston Audubon Society 23-7011870 Click to copy TX Environment 12 Camp Allen-Camp and Conference Center 74-6016479 Click to copy TX Religion 11 Camp Aranzazu Inc 74-3032285 Click to copy TX Human Services 11 Episcopal High School 76-0056509 Click to copy TX Education 11 Hill Country Alliance 26-0106908 Click to copy TX Environment 11 Texas Agricultural Land Trust 26-0161807 Click to copy TX Environment 11 Hope and Healing Center & Institute 45-3305276 Click to copy TX Religion 10 Lone Star Flight Museum 76-0213778 Click to copy TX Arts and Culture 10 Prison Entrepreneurship Program 20-1384253 Click to copy TX Human Services 10 Springspirit Inc 80-1205223 Click to copy TX Recreation and Sports 10 Texas State Historical Association 74-6025220 Click to copy TX Arts and Culture 10 Wildlife Association of Texas 74-2393839 Click to copy TX Animals 10 Alley Theatre 74-1143076 Click to copy TX Arts and Culture 9 Communities in Schools of Houston Inc 76-0031827 Click to copy TX Education 9 Fort Worth Country Day School Inc 75-1085363 Click to copy TX Education 9 Hill Country Conservancy Inc 74-2948145 Click to copy TX Environment 9 San Antonio Botanical Garden Society Inc 74-2178792 Click to copy TX Environment 9 St Lukes United Methodist Church 75-6004725 Click to copy TX Religion 9 Sul Ross State University Foundation 75-3138496 Click to copy TX Education 9 Texas State History Museum Foundation 74-2916783 Click to copy TX Philanthropy 9 Urban Harvest Inc 76-0501430 Click to copy TX Environment 9 Yellowstone Academy Inc 76-0686870 Click to copy TX Education 9 Yes Prep Public Schools Inc 76-0563835 Click to copy TX Education 9 Amon Carter Museum of Western Art 75-1077979 Click to copy TX Arts and Culture 8 Big Bend Conservation Alliance 47-3670796 Click to copy TX Environment 8 Brenda and John H Duncan Rise School of Houston 76-0606866 Click to copy TX Education 8 Camp for All Foundation 76-0404267 Click to copy TX Youth Development 8 Childrens Museum Inc 74-2178563 Click to copy TX Arts and Culture 8 Chinquapin Preparatory School 74-1616827 Click to copy TX Education 8 Friends of Cibolo Wilderness 74-2564700 Click to copy TX Environment 8 Great Springs Project Inc 82-4915975 Click to copy TX Environment 8 Houston Hospice 74-2092951 Click to copy TX Human Services 8 Houstons Amazing Place Inc 76-0604478 Click to copy TX Human Services 8 Nehemiah Center Inc 76-0437157 Click to copy TX Human Services 8 Pease Park Conservancy 46-2388316 Click to copy TX Recreation and Sports 8 Presbyterian Childrens Homes and Services 75-0818172 Click to copy TX Human Services 8 Pro-Vision Inc 76-0336711 Click to copy TX Religion 8 San Jose Clinic 76-0373703 Click to copy TX Health 8 Sea Turtle Inc 74-2042030 Click to copy TX Arts and Culture 8 Texas 2036 81-3063099 Click to copy TX Public Benefit 8 Texas Conservation Alliance 23-7112618 Click to copy TX Animals 8 The National Cowgirl Museum and Hall of Fame Inc 75-1486136 Click to copy TX Arts and Culture 8 Trees for Houston 76-0046318 Click to copy TX Environment 8 Union Gospel Mission of Tarrant County 75-6054677 Click to copy TX Religion 8 University of Houston Foundation 74-6041411 Click to copy TX Education 8 Agape Development Ministries 20-2095072 Click to copy TX Education 7