Houston Arboretum & Nature Center 74-1587880 Click to copy TX Environment 19 Buffalo Bayou Partnership 76-0183954 Click to copy TX Environment 17 Houston Parks Board 74-1860046 Click to copy TX Philanthropy 17 Coastal Prairie Conservancy 76-0377029 Click to copy TX Environment 15 Trees for Houston 76-0046318 Click to copy TX Environment 15 Asia Society Texas Center 03-0433949 Click to copy TX Arts and Culture 14 Bakerripley 23-7062976 Click to copy TX Human Services 13 Childrens Museum Inc 74-2178563 Click to copy TX Arts and Culture 13 Communities in Schools of Houston Inc 76-0031827 Click to copy TX Education 13 Houston Habitat for Humanity Inc 76-0207084 Click to copy TX Housing 13 Yes Prep Public Schools Inc 76-0563835 Click to copy TX Education 13 Alley Theatre 74-1143076 Click to copy TX Arts and Culture 12 Children at Risk Inc 76-0360533 Click to copy TX Crime and Legal 12 Emerge Fellowship 45-4077397 Click to copy TX Education 12 Houston Audubon Society 23-7011870 Click to copy TX Environment 12 Houston Hospice 74-2092951 Click to copy TX Human Services 12 Nick Finnegan Counseling Center Foundation 84-2500437 Click to copy TX Health 12 Northwest Assistance Ministries 76-0088702 Click to copy TX Human Services 12 Pro-Vision Inc 76-0336711 Click to copy TX Religion 12 Camp Allen-Camp and Conference Center 74-6016479 Click to copy TX Religion 11 Camp for All Foundation 76-0404267 Click to copy TX Youth Development 11 Episcopal High School 76-0056509 Click to copy TX Education 11 Hope and Healing Center & Institute 45-3305276 Click to copy TX Religion 11 Houston Arts Alliance 74-1946756 Click to copy TX Arts and Culture 11 Project Row Houses 76-0411778 Click to copy TX Arts and Culture 11 Target Hunger 31-1548849 Click to copy TX Human Services 11 University of Houston Foundation 74-6041411 Click to copy TX Education 11 Yellowstone Academy Inc 76-0686870 Click to copy TX Education 11 Breakthrough Houston 83-0924608 Click to copy TX Education 10 Casa De Esperanza De Los Ninos Incorporated 76-0105306 Click to copy TX Human Services 10 Chinquapin Preparatory School 74-1616827 Click to copy TX Education 10 Citizens for Animal Protection Inc 23-7296260 Click to copy TX Animals 10 Dress for Success Houston 76-0579697 Click to copy TX Human Services 10 Healthcare for the Homeless-Houston 76-0647934 Click to copy TX Human Services 10 KIPP Texas Inc 01-0639602 Click to copy TX Education 10 Memorial Assistance Ministries Inc 76-0044172 Click to copy TX Human Services 10 New Hope Housing Inc 73-1419279 Click to copy TX Housing 10 Springspirit Inc 80-1205223 Click to copy TX Recreation and Sports 10 The Rose 76-0193812 Click to copy TX Disease and Disorders 10 Armand Bayou Nature Center Inc 23-7403757 Click to copy TX Environment 9 Barbara Bush Houston Literacy Foundation 46-5037878 Click to copy TX Philanthropy 9 Bayou Preservation Association Inc 74-6075031 Click to copy TX Environment 9 Casa Mateo 92-2487660 Click to copy TX Human Services 9 Center for Hearing and Speech 74-6003178 Click to copy TX Education 9 Center for Pursuit 74-1272417 Click to copy TX Human Services 9 Collaborative for Children 76-0228065 Click to copy TX Human Services 9 Combined Arms 47-5648923 Click to copy TX Public Benefit 9 Houston Grand Opera Association Inc 74-6016764 Click to copy TX Arts and Culture 9 Houston Wilderness Inc 42-1573695 Click to copy TX Environment 9 Houstons Amazing Place Inc 76-0604478 Click to copy TX Human Services 9