American Physical Society 13-1656610 Click to copy MD Science 2 Barry University Inc 59-0624364 Click to copy FL Education 2 Carnegie Institution of Washington 53-0196523 Click to copy DC Science 2 Center for Open Science 46-1496217 Click to copy VA Science 2 National Opinion Research Center 36-2167808 Click to copy IL Social Science 2 New Mexico Institute of Mining & Technology 85-6000411 Click to copy NM Human Services 2 Research America 52-1609875 Click to copy VA Social Science 2 Resources for the Future Inc 53-0220900 Click to copy DC Environment 2 University of Kansas Center for Research Inc 48-0680117 Click to copy KS Science 2 University of Louisville Research Foundation Inc 61-1029626 Click to copy KY Education 2 Van Andel Institute 52-2000820 Click to copy MI Philanthropy 2 29Th Street Community Center Inc 85-3140009 Click to copy MD Human Services 1 Aadvantage Inc 25-1642318 Click to copy PA Human Services 1 Abington Memorial Hospital 23-1352152 Click to copy PA Health 1 Abiomed Charitable Foundation Inc 85-1298491 Click to copy MA Public Safety 1 Academy Foundation 95-2243698 Click to copy CA Arts and Culture 1 Academy Health 52-1260918 Click to copy DC Health 1 Adler Planetarium 36-6210902 Click to copy IL Arts and Culture 1 Adopt a Block Inc 52-1758039 Click to copy MD Community Improvement 1 Advocate Charitable Foundation 36-3297360 Click to copy IL Health 1 Aerospace Employees Association 95-6093378 Click to copy CA Science 1 Afterimage Public Media 26-0683783 Click to copy CA Arts and Culture 1 Alaska Native Tribal Health Consortium 92-0162721 Click to copy AK Health 1 Albany Medical College Alumni Association Inc 14-1468380 Click to copy NY Education 1 Alexandria Chamber of Commerce 54-0119410 Click to copy VA Community Improvement 1 All Hazards Consortium Inc 26-0275096 Click to copy MD Human Services 1 Allen Institute 91-2155317 Click to copy WA Medical Research 1 Alliance for Health Policy 52-1746328 Click to copy DC Mental Health 1 Altarum Institute 38-1983442 Click to copy MI Science 1 American Academy of Nursing Inc 52-2213870 Click to copy DC Health 1 American Academy of Orthopedic Surgeons 36-2110592 Click to copy IL Disease and Disorders 1 American Association of Genitourinary Surgeons Foundation 93-4152676 Click to copy MD Health 1 American College of Obstetricians and Gynecologists 90-0489809 Click to copy DC Health 1 American College of Surgeons 36-2192800 Click to copy IL Education 1 American Council on Education 53-0196573 Click to copy DC Education 1 American Economic Association Inc 36-2166945 Click to copy TN Social Science 1 American Educational Research Association 23-7003537 Click to copy DC Education 1 American Friends of the National Gallery of Australia Inc 13-3171852 Click to copy NY International 1 American Friends of Toulouse School of Economics Inc 81-5398738 Click to copy MD Education 1 American Geophysical Union 52-0955532 Click to copy DC Science 1 American Institute of Chemical Engineers 13-1623892 Click to copy NY Science 1 American Institute of Mathematics 94-3205114 Click to copy CA Science 1 American Institute of Physics Incorporated 13-1667053 Click to copy MD Science 1 American Institutes for Research in the Behavioral Sciences 25-0965219 Click to copy VA Social Science 1 American Museum of the Moving Image 11-2730714 Click to copy NY Arts and Culture 1 American Public Health Association Inc 13-1628688 Click to copy DC Health 1 Analytic Services Inc 54-0695125 Click to copy VA Science 1 Andrews University 38-1627600 Click to copy MI Education 1 Annual Reviews 94-1156476 Click to copy CA Science 1 Aoac International 53-0029357 Click to copy MD Medical Research 1