Houston Arboretum & Nature Center 74-1587880 Click to copy TX Environment 18 Breakthrough Houston 83-0924608 Click to copy TX Education 17 Buffalo Bayou Partnership 76-0183954 Click to copy TX Environment 17 Childrens Museum Inc 74-2178563 Click to copy TX Arts and Culture 17 KIPP Texas Inc 01-0639602 Click to copy TX Education 17 Trees for Houston 76-0046318 Click to copy TX Environment 17 Hope and Healing Center & Institute 45-3305276 Click to copy TX Religion 16 Yes Prep Public Schools Inc 76-0563835 Click to copy TX Education 16 Asia Society Texas Center 03-0433949 Click to copy TX Arts and Culture 15 Communities in Schools of Houston Inc 76-0031827 Click to copy TX Education 15 Houston Hospice 74-2092951 Click to copy TX Human Services 15 Houston Parks Board 74-1860046 Click to copy TX Philanthropy 15 Search Homeless Services 76-0260403 Click to copy TX Human Services 15 Bridgeyear 81-4848803 Click to copy TX Human Services 14 Casa De Esperanza De Los Ninos Incorporated 76-0105306 Click to copy TX Human Services 14 Camp for All Foundation 76-0404267 Click to copy TX Youth Development 13 Memorial Assistance Ministries Inc 76-0044172 Click to copy TX Human Services 13 New Hope Housing Inc 73-1419279 Click to copy TX Housing 13 The Rose 76-0193812 Click to copy TX Disease and Disorders 13 Alley Theatre 74-1143076 Click to copy TX Arts and Culture 12 Camp Allen-Camp and Conference Center 74-6016479 Click to copy TX Religion 12 Children at Risk Inc 76-0360533 Click to copy TX Crime and Legal 12 Episcopal High School 76-0056509 Click to copy TX Education 12 Prison Entrepreneurship Program 20-1384253 Click to copy TX Human Services 12 San Jose Clinic 76-0373703 Click to copy TX Health 12 Urban Harvest Inc 76-0501430 Click to copy TX Environment 12 Bakerripley 23-7062976 Click to copy TX Human Services 11 Chinquapin Preparatory School 74-1616827 Click to copy TX Education 11 Good Reason Houston Inc 82-0946654 Click to copy TX Education 11 Houston Habitat for Humanity Inc 76-0207084 Click to copy TX Housing 11 Lone Star Flight Museum 76-0213778 Click to copy TX Arts and Culture 11 My Connect Community 81-1424233 Click to copy TX Human Services 11 Northwest Assistance Ministries 76-0088702 Click to copy TX Human Services 11 Periwinkle Foundation 76-0093914 Click to copy TX Philanthropy 11 Springspirit Inc 80-1205223 Click to copy TX Recreation and Sports 11 The Council on Recovery 74-1173235 Click to copy TX Mental Health 11 Yellowstone Academy Inc 76-0686870 Click to copy TX Education 11 Brenda and John H Duncan Rise School of Houston 76-0606866 Click to copy TX Education 10 Center for Pursuit 74-1272417 Click to copy TX Human Services 10 Collaborative for Children 76-0228065 Click to copy TX Human Services 10 Dress for Success Houston 76-0579697 Click to copy TX Human Services 10 Glenwood Cemetery Historic Preservation Foundation 76-0613217 Click to copy TX Arts and Culture 10 Halo House Foundation 27-1220705 Click to copy TX Disease and Disorders 10 Houstons Amazing Place Inc 76-0604478 Click to copy TX Human Services 10 Mental Health America of Greater Houston Inc 74-1272394 Click to copy TX Mental Health 10 Pro-Vision Inc 76-0336711 Click to copy TX Religion 10 Project Row Houses 76-0411778 Click to copy TX Arts and Culture 10 Spark 75-2388253 Click to copy TX Recreation and Sports 10 Annunciation Orthodox School 76-0276967 Click to copy TX Education 9 Barbara Bush Houston Literacy Foundation 46-5037878 Click to copy TX Philanthropy 9