Hope and Healing Center & Institute 45-3305276 Click to copy TX Religion 25 Episcopal High School 76-0056509 Click to copy TX Education 23 Houstons Amazing Place Inc 76-0604478 Click to copy TX Human Services 23 Childrens Museum Inc 74-2178563 Click to copy TX Arts and Culture 22 Yellowstone Academy Inc 76-0686870 Click to copy TX Education 21 Springspirit Inc 80-1205223 Click to copy TX Recreation and Sports 20 Houston Arboretum & Nature Center 74-1587880 Click to copy TX Environment 19 Alley Theatre 74-1143076 Click to copy TX Arts and Culture 18 Camp Allen-Camp and Conference Center 74-6016479 Click to copy TX Religion 17 Communities in Schools of Houston Inc 76-0031827 Click to copy TX Education 17 Houston Hospice 74-2092951 Click to copy TX Human Services 17 St Martins Episcopal Church 74-1325463 Click to copy TX Religion 17 Asia Society Texas Center 03-0433949 Click to copy TX Arts and Culture 16 Buffalo Bayou Partnership 76-0183954 Click to copy TX Environment 16 Camp for All Foundation 76-0404267 Click to copy TX Youth Development 16 Easter Seals of Greater Houston Inc 74-1238418 Click to copy TX Disease and Disorders 16 Nick Finnegan Counseling Center Foundation 84-2500437 Click to copy TX Health 16 Center for Pursuit 74-1272417 Click to copy TX Human Services 15 Chinquapin Preparatory School 74-1616827 Click to copy TX Education 15 Junior League of Houston Inc 74-1185659 Click to copy TX Community Improvement 15 Menil Foundation Inc 74-6045327 Click to copy TX Arts and Culture 15 St Lukes United Methodist Church 75-6004725 Click to copy TX Religion 15 Christian Community Service Center Inc 74-2128141 Click to copy TX Human Services 14 Houston Parks Board 74-1860046 Click to copy TX Philanthropy 14 The Rose 76-0193812 Click to copy TX Disease and Disorders 14 Trees for Houston 76-0046318 Click to copy TX Environment 14 Will Erwin Headache Research Foundation 46-4886305 Click to copy TX Environment 14 Crime Stoppers of Houston Inc 74-2137744 Click to copy TX Crime and Legal 13 Glenwood Cemetery Historic Preservation Foundation 76-0613217 Click to copy TX Arts and Culture 13 River Oaks Baptist School Endowment Fund Inc 76-0336852 Click to copy TX Religion 13 Search Homeless Services 76-0260403 Click to copy TX Human Services 13 The Council on Recovery 74-1173235 Click to copy TX Mental Health 13 Memorial Assistance Ministries Inc 76-0044172 Click to copy TX Human Services 12 River Oaks Foundation Inc 76-0623472 Click to copy TX Community Improvement 12 River Oaks Garden Club 74-1145998 Click to copy TX Environment 12 University of Texas Law School Foundation 74-6056794 Click to copy TX Education 12 Agape Development Ministries 20-2095072 Click to copy TX Education 11 Contemporary Arts Museum Houston 74-1093771 Click to copy TX Arts and Culture 11 Discovery Green Conservancy 20-1951465 Click to copy TX Recreation and Sports 11 Houston Christian University 74-1400699 Click to copy TX Education 11 Houston Habitat for Humanity Inc 76-0207084 Click to copy TX Housing 11 New Hope Housing Inc 73-1419279 Click to copy TX Housing 11 Pro-Vision Inc 76-0336711 Click to copy TX Religion 11 The Forge for Families Inc 76-0485959 Click to copy TX Crime and Legal 11 Annunciation Orthodox School 76-0276967 Click to copy TX Education 10 Bakerripley 23-7062976 Click to copy TX Human Services 10 Barbara Bush Houston Literacy Foundation 46-5037878 Click to copy TX Philanthropy 10 Brenda and John H Duncan Rise School of Houston 76-0606866 Click to copy TX Education 10 Center for Hearing and Speech 74-6003178 Click to copy TX Education 10 Childrens Assessment Center Foundation 76-0458780 Click to copy TX Crime and Legal 10