| 1001 | 4545 | Ontario Research Center for Computer Algebra |  | 5048 | 2688 | 2538 | 3879 |
| 1002 | 4351 | Oregon Clinic |  | 4304 | 2446 | 2538 | 3879 |
| 1003 | 6930 | Orentreich Foundation for Advancement of Science | | 6922 | 6151 | 2538 | 3879 |
| 1004 | 922 | Oak Ridge Institute for Science and Education | | 4113 | 899 | 2538 | 834 |
| 1005 | 4739 | VA Medical Center Orlando | | 6355 | 5869 | 2538 | 3076 |
| 1006 | 4297 | Centro Agronómico Tropical de Investigación y Enseñanza SIDALC |  | 1034 | 2627 | 2538 | 3879 |
| 1007 | 7122 | Orthopaedic Research of Virginia | | 5884 | 6526 | 2538 | 3879 |
| 1008 | 3295 | Ohio Supercomputer Center | | 2823 | 1052 | 2538 | 3879 |
| 1009 | 7188 | Observatorio San Calixto |  | 6092 | 6636 | 2538 | 3879 |
| 1010 | 4319 | Osiris Therapeutics | | 3743 | 2436 | 2538 | 3879 |
| 1011 | 5776 | Oklahoma State University Medical Center | | 6695 | 4355 | 2538 | 3879 |
| 1012 | 1072 | University of Oklahoma Medical Center | | 1581 | 1011 | 2538 | 1153 |
| 1013 | 5403 | Pacific Rim Conservation | | 6414 | 5377 | 2538 | 3509 |
| 1014 | 3431 | Pacific Whale Foundation | | 4671 | 1152 | 2538 | 3879 |
| 1015 | 2614 | Pacific Institute for Studies in Development Environment and Security | | 2749 | 458 | 2538 | 3879 |
| 1016 | 3002 | David and Lucile Packard Foundation | | 2535 | 773 | 2538 | 3879 |
| 1017 | 6227 | University of Washington College of Forest Resources | | 7396 | 4910 | 2538 | 3879 |
| 1018 | 1624 | VA Palo Alto Health Care System | | 5373 | 5290 | 2538 | 233 |
| 1019 | 1491 | Palo Alto Medical Foundation | | 4135 | 446 | 2538 | 2867 |
| 1020 | 4042 | Pankey Institute | | 4658 | 1933 | 2538 | 3879 |
| 1021 | 5598 | Parkinson's Institute | | 7634 | 3849 | 2538 | 3879 |
| 1022 | 5616 | Fundación Patagonia Natural |  | 4501 | 4304 | 2538 | 3879 |
| 1023 | 8002 | Centro Científico Tecnológico CONICET Patagonia Norte | | 6623 | 7981 | 2538 | 3879 |
| 1024 | 6825 | Trinity Regional Hospital Fort Dodge | | 7475 | 5883 | 2538 | 3879 |
| 1025 | 2900 | PeaceHealth Southwest Medical Center (Southwest Washington Medical Center) | | 1077 | 745 | 2538 | 3879 |
| 1026 | 5803 | Peachtree Orthopaedic Clinic | | 7041 | 4339 | 2538 | 3879 |
| 1027 | 4478 | Pediatrix Medical Group | | 2679 | 2772 | 2538 | 3879 |
| 1028 | 6412 | Paparella Ear Head and Neck Institute | | 6788 | 5304 | 2538 | 3879 |
| 1029 | 7292 | Pelosi Medical Center | | 7468 | 6675 | 2538 | 3879 |
| 1030 | 6419 | Instituto Penido Burnier |  | 7468 | 5220 | 2538 | 3879 |
| 1031 | 127 | University of Pennsylvania Health System | | 636 | 182 | 2538 | 20 |
| 1032 | 3046 | Property and Environment Research Center | | 3062 | 790 | 2538 | 3879 |
| 1033 | 4878 | Centro Hospitalario Pereira Rossell |  | 7707 | 6342 | 2538 | 2822 |
| 1034 | 5217 | Perry Institute for Marine Science | | 6273 | 4562 | 2538 | 3660 |
| 1035 | 5620 | Partners HealthCare Personalized Medicine Genetics and Genomics | | 6722 | 4099 | 2538 | 3879 |
| 1036 | 6447 | Postgraduate Center for Mental Health | | 7580 | 5230 | 2538 | 3879 |
| 1037 | 3708 | DoD Food Analysis and Diagnostics | | 3653 | 1518 | 2538 | 3879 |
| 1038 | 1268 | Public Health Institute | | 3152 | 1112 | 2538 | 1508 |
| 1039 | 2529 | Philadelphia VA Medical Center | | 6427 | 6688 | 2538 | 467 |
| 1040 | 3716 | Phoenix VA Health Care System | | 6194 | 6269 | 2538 | 2039 |
| 1041 | 6840 | Pacific Health Research and Education Institute Hawaii | | 7684 | 6601 | 2538 | 3660 |
| 1042 | 6572 | Pacific International Center for High Technology Research | | 6430 | 5601 | 2538 | 3879 |
| 1043 | 4704 | Pacific Institute for the Mathematical Sciences | | 1751 | 3198 | 2538 | 3879 |
| 1044 | 4670 | Pinchot Institute for Conservation | | 4459 | 2946 | 2538 | 3879 |
| 1045 | 2164 | VA Pittsburgh Healthcare System | | 4935 | 5901 | 2538 | 525 |
| 1046 | 5902 | Planta Piloto de Ingeniería Química | | 6695 | 7850 | 2538 | 2290 |
| 1047 | 6459 | Plasma Proteome Institute | | 6651 | 6197 | 2538 | 3660 |
| 1048 | 7442 | Kushner Electroplating School | | 7775 | 6874 | 2538 | 3879 |
| 1049 | 5399 | Pittsburgh Mercy Health System | | 7843 | 3471 | 2538 | 3879 |
| 1050 | 2764 | National Capital Poison Center | | 5531 | 499 | 2538 | 3879 |
| 1051 | 4384 | VA Polytrauma System of Care | | 7193 | 2205 | 2538 | 3879 |
| 1052 | 7689 | VA Medical Center Poplar Bluff Missouri | | 7598 | 7385 | 2538 | 3879 |
| 1053 | 6050 | Plano Orthopedic and Sports Medicine Center | | 5859 | 4843 | 2538 | 3879 |
| 1054 | 3830 | Potomac Institute for Policy Studies | | 3185 | 1728 | 2538 | 3879 |
| 1055 | 4161 | Powder Coating Institute | | 5175 | 2067 | 2538 | 3879 |
| 1056 | 6346 | Premier Bone & Joint Centers (Gem City Bone and Joint Clinic) | | 5964 | 5281 | 2538 | 3879 |
| 1057 | 6888 | Presbyterian Ear Institute | | 7617 | 5950 | 2538 | 3879 |
| 1058 | 7386 | VA Health Care System Northern Arizona | | 7086 | 6885 | 2538 | 3879 |
| 1059 | 3314 | Prevention Research Center | | 6180 | 3868 | 2538 | 2867 |
| 1060 | 7638 | VHA National Center for Health Promotion & Disease Prevention | | 5729 | 7403 | 2538 | 3879 |
| 1061 | 6711 | CGIAR Systemwide Program on Participatory Research and Gender Analysis |  | 8011 | 5279 | 2538 | 3879 |
| 1062 | 7697 | Proteogenomics Research Institute for Systems Medicine | | 7904 | 7270 | 2538 | 3879 |
| 1063 | 3014 | Asociación Benéfica Prisma |  | 5083 | 4699 | 2538 | 2173 |
| 1064 | 8009 | Instituto de Investigación y Desarrollo en Ingeniería de Procesos, Biotecnología y Energías Alternativas | | 7428 | 7971 | 2538 | 3879 |
| 1065 | 4446 | Hospital Pró-Cardíaco | | 7641 | 5626 | 2538 | 2919 |
| 1066 | 6981 | Prosthetics and Sensory Aids Service | | 7030 | 6230 | 2538 | 3879 |
| 1067 | 3024 | VA Medical Center Providence Rhode Island | | 5798 | 6551 | 2538 | 1015 |
| 1068 | 6332 | Providence Medical Group (South Carolina Heart Center) | | 6832 | 5185 | 2538 | 3879 |
| 1069 | 7076 | Prosthetics Research Study | | 7389 | 6307 | 2538 | 3879 |
| 1070 | 2603 | Pittsburgh Supercomputing Center | | 2196 | 465 | 2538 | 3879 |
| 1071 | 3774 | National Center for Posttraumatic Stress Disorder | | 3434 | 1626 | 2538 | 3879 |
| 1072 | 5077 | Office of Public Health and Environmental Hazards | | 5431 | 3441 | 2538 | 3879 |
| 1073 | 5497 | Patuxent Wildlife Research Center | | 3468 | 4214 | 2538 | 3879 |
| 1074 | 4525 | Queen's Medical Center Honolulu Hawaii | | 6809 | 2486 | 2538 | 3879 |
| 1075 | 7536 | Quality Enhancement Research Initiative | | 5460 | 7237 | 2538 | 3879 |
| 1076 | 6197 | Radiology Associates of Tallahassee | | 7106 | 4931 | 2538 | 3879 |
| 1077 | 6974 | Red Avanzada de Investigación, Ciencia y Educación |  | 7054 | 6216 | 2538 | 3879 |
| 1078 | 4516 | Raleigh Orthopaedic Clinic | | 5959 | 4127 | 2538 | 3509 |
| 1079 | 5650 | Rapid City Medical Center | | 5831 | 4231 | 2538 | 3879 |
| 1080 | 3463 | Red Académica Uruguaya | | 2931 | 1255 | 2538 | 3879 |
| 1081 | 5849 | Royal Columbian Hospital | | 5366 | 4573 | 2538 | 3879 |
| 1082 | 5136 | Rede de Tecnologia do Rio de Janeiro | | 5336 | 3521 | 2538 | 3879 |
| 1083 | 6202 | Rehabilitation Research and Development Service | | 1458 | 5430 | 2538 | 3879 |
| 1084 | 3300 | Renal Research Institute | | 6688 | 4593 | 2538 | 2487 |
| 1085 | 6368 | VA Sierra Nevada Health Care System | | 6608 | 6523 | 2538 | 3509 |
| 1086 | 6256 | Reproductive Genetics Institute | | 7864 | 4731 | 2538 | 3879 |
| 1087 | 273 | IBM Research Almaden Research Center | | 2775 | 342 | 2538 | 63 |
| 1088 | 8072 | Research and Development Iowa City VA Medical Center | | 7455 | 8071 | 2538 | 3879 |
| 1089 | 5028 | VA Office of Research & Development | | 560 | 3820 | 2538 | 3879 |
| 1090 | 3267 | Vitalant Research Institute (Blood Systems Research Institute) | | 7311 | 6494 | 2538 | 1227 |
| 1091 | 3766 | IBM Research | | 6538 | 1438 | 2538 | 3879 |
| 1092 | 2696 | Retina Foundation of the Southwest | | 6735 | 4215 | 2538 | 2027 |
| 1093 | 6672 | Retina Research Foundation | | 7159 | 5694 | 2538 | 3879 |
| 1094 | 4134 | Red Universitaria Nacional REUNA |  | 5271 | 2028 | 2538 | 3879 |
| 1095 | 5770 | Wireless Information Resource Centre | | 5923 | 4438 | 2538 | 3879 |
| 1096 | 2291 | American College of Rheumatology | | 3942 | 252 | 2538 | 3879 |
| 1097 | 3097 | Hunter Holmes McGuire Richmond VA Medical Center | | 5336 | 6326 | 2538 | 1292 |
| 1098 | 5270 | Red de Interconexión Universitaria | | 5677 | 3674 | 2538 | 3879 |
| 1099 | 4920 | Riverview Medical Center | | 5399 | 3232 | 2538 | 3879 |
| 1100 | 2251 | Rocky Mountain Biological Laboratory | | 5459 | 2716 | 2538 | 2249 |
