| 1 | 1 | National Institutes of Health |  | 8 | 3 | 2 | 1 |
| 2 | 2 | National Aeronautics and Space Administration |  | 2 | 1 | 1 | 23 |
| 3 | 3 | National Oceanic and Atmospheric Administration |  | 10 | 5 | 4 | 37 |
| 4 | 8 | US Geological Survey |  | 117 | 6 | 5 | 29 |
| 5 | 9 | US Environmental Protection Agency |  | 16 | 8 | 7 | 96 |
| 6 | 12 | World Wide Web Consortium |  | 100 | 1 | 231 | 432 |
| 7 | 14 | Fermi National Accelerator Laboratory |  | 43 | 17 | 15 | 43 |
| 8 | 17 | Empresa Brasileira de Pesquisa Agropecuária |  | 61 | 30 | 26 | 17 |
| 9 | 19 | Centers for Disease Control and Prevention |  | 185 | 15 | 41 | 53 |
| 10 | 21 | Lawrence Berkeley National Laboratory |  | 45 | 20 | 18 | 145 |
| 11 | 27 | Smithsonian Institution |  | 19 | 23 | 35 | 250 |
| 12 | 28 | Stanford Linear Accelerator Center |  | 84 | 28 | 25 | 118 |
| 13 | 30 | Jet Propulsion Laboratory |  | 13 | 36 | 53 | 144 |
| 14 | 31 | Agency for Healthcare Research and Quality |  | 52 | 24 | 21 | 388 |
| 15 | 32 | National Institute of Standards and Technology |  | 56 | 40 | 40 | 77 |
| 16 | 36 | Oak Ridge National Laboratory |  | 66 | 42 | 32 | 91 |
| 17 | 41 | Brookhaven National Laboratory |  | 158 | 47 | 37 | 106 |
| 18 | 44 | Instituto Brasileiro de Geografia e Estatística |  | 21 | 27 | 24 | 1242 |
| 19 | 45 | US National Agricultural Library |  | 28 | 69 | 58 | 120 |
| 20 | 47 | US Department of Veterans Affairs |  | 174 | 34 | 61 | 171 |
| 21 | 52 | Instituto Nacional de Pesquisas Espaciais |  | 110 | 90 | 66 | 36 |
| 22 | 53 | NASA Ames Research Center |  | 73 | 53 | 42 | 279 |
| 23 | 54 | University Corporation for Atmospheric Research |  | 90 | 65 | 50 | 129 |
| 24 | 58 | Argonne National Laboratory |  | 78 | 64 | 49 | 176 |
| 25 | 60 | Fundação Oswaldo Cruz |  | 126 | 93 | 60 | 60 |
| 26 | 61 | (1) NOAA National Weather Service |  | 1 | 33 | 506 | 1098 |
| 27 | 65 | National Bureau of Economic Research |  | 521 | 98 | 63 | 21 |
| 28 | 66 | Universities Space Research Association |  | 450 | 68 | 52 | 78 |
| 29 | 68 | Agricultural Research Service |  | 123 | 114 | 103 | 76 |
| 30 | 72 | Lunar and Planetary Institute |  | 492 | 73 | 55 | 108 |
| 31 | 76 | National Radio Astronomy Observatory |  | 172 | 86 | 59 | 214 |
| 32 | 78 | Transportation Research Board |  | 151 | 365 | 240 | 6 |
| 33 | 80 | Los Alamos National Laboratory |  | 132 | 115 | 86 | 148 |
| 34 | 81 | US National Science Foundation |  | 148 | 41 | 87 | 847 |
| 35 | 85 | National Research Council Canada |  | 36 | 149 | 548 | 58 |
| 36 | 86 | Cato Institute |  | 1066 | 59 | 409 | 31 |
| 37 | 88 | Brookings Institution |  | 146 | 79 | 213 | 225 |
| 38 | 93 | National Renewable Energy Laboratory |  | 364 | 87 | 241 | 94 |
| 39 | 95 | Urban Institute |  | 64 | 187 | 384 | 63 |
| 40 | 96 | Environmental Systems Research Institute |  | 115 | 105 | 156 | 284 |
| 41 | 98 | Space Telescope Science Institute |  | 252 | 110 | 71 | 279 |
| 42 | 99 | Instituto Brasileiro do Meio Ambiente e dos Recursos Naturais Renováveis |  | 63 | 107 | 70 | 708 |
| 43 | 100 | National Cancer Institute |  | 212 | 49 | 169 | 744 |
| 44 | 101 | Rand Corporation |  | 402 | 130 | 153 | 98 |
| 45 | 103 | Environmental Working Group |  | 6 | 76 | 126 | 1980 |
| 46 | 107 | Thomas Jefferson Lab National Accelerator Facility |  | 127 | 137 | 88 | 374 |
| 47 | 108 | Lawrence Livermore National Laboratory |  | 186 | 209 | 159 | 74 |
| 48 | 112 | Summer Institute of Linguistics |  | 94 | 131 | 207 | 311 |
| 49 | 114 | Instituto Nacional de Matemática Pura e Aplicada |  | 607 | 124 | 77 | 167 |
| 50 | 117 | Bio-Rad Laboratories |  | 372 | 71 | 54 | 791 |
| 51 | 119 | Instituto de Pesquisas Energéticas e Nucleares |  | 919 | 183 | 109 | 45 |
| 52 | 123 | Sandia National Laboratories |  | 240 | 227 | 170 | 91 |
| 53 | 126 | Marine Biological Laboratory |  | 106 | 171 | 249 | 242 |
| 54 | 131 | Centro de Investigación y de Estudios Avanzados del IPN CINVESTAV |  | 527 | 197 | 115 | 115 |
| 55 | 140 | American Museum of Natural History |  | 348 | 92 | 158 | 532 |
| 56 | 152 | Instituto de Pesquisa Econômica Aplicada |  | 298 | 270 | 155 | 127 |
| 57 | 153 | Instituto Nacional de Metrologia |  | 182 | 226 | 128 | 318 |
| 58 | 156 | Henry J Kaiser Family Foundation |  | 367 | 72 | 518 | 421 |
| 59 | 159 | National Centers for Environmental Prediction |  | 152 | 145 | 121 | 816 |
| 60 | 160 | Woods Hole Oceanographic Institution |  | 134 | 135 | 235 | 691 |
| 61 | 161 | Getty |  | 35 | 101 | 361 | 1487 |
| 62 | 162 | National Institute of Environmental Health Sciences |  | 967 | 122 | 189 | 238 |
| 63 | 163 | Conselho Nacional de Desenvolvimento Cientifico e Tecnológico |  | 68 | 74 | 583 | 1213 |
| 64 | 168 | Broad Institute of MIT and Harvard |  | 79 | 196 | 114 | 1041 |
| 65 | 171 | National Laboratory for Particle and Nuclear Physics |  | 412 | 161 | 100 | 652 |
| 66 | 174 | Princeton Plasma Physics Laboratory |  | 1600 | 156 | 97 | 236 |
| 67 | 182 | Comisión Nacional de Investigación Científica y Tecnológica |  | 213 | 194 | 113 | 1021 |
| 68 | 186 | Cleveland Clinic |  | 695 | 163 | 104 | 675 |
| 69 | 188 | American Enterprise Institute for Public Policy Research |  | 960 | 117 | 450 | 347 |
| 70 | 192 | NASA Langley Research Center |  | 114 | 340 | 246 | 431 |
| 71 | 194 | NYU Langone Medical Center |  | 203 | 241 | 315 | 504 |
| 72 | 201 | Education Testing Service |  | 915 | 96 | 620 | 467 |
| 73 | 204 | National Center for Supercomputing Applications |  | 292 | 258 | 145 | 748 |
| 74 | 207 | National Energy Technology Laboratory |  | 1364 | 212 | 120 | 338 |
| 75 | 208 | Instituto Nacional de Ecología |  | 1504 | 166 | 217 | 291 |
| 76 | 209 | Consejo Nacional de Ciencia y Tecnología Perú |  | 475 | 407 | 398 | 96 |
| 77 | 213 | International Food Policy Research Institute |  | 596 | 335 | 301 | 164 |
| 78 | 216 | California Academy of Sciences |  | 137 | 176 | 631 | 962 |
| 79 | 217 | Center for Strategic and International Studies |  | 615 | 189 | 163 | 777 |
| 80 | 218 | Fred Hutchinson Cancer Research Center |  | 364 | 298 | 273 | 397 |
| 81 | 228 | Instituto Brasileiro de Informação em Ciência e Tecnologia |  | 180 | 430 | 1475 | 83 |
| 82 | 230 | Pacific Northwest National Laboratory |  | 585 | 368 | 296 | 191 |
| 83 | 231 | American Academy of Pediatrics |  | 1933 | 75 | 374 | 660 |
| 84 | 233 | Information Science Institute University of Southern California |  | 310 | 266 | 370 | 566 |
| 85 | 234 | Southern Research Station USDA Forest Service |  | 923 | 381 | 203 | 156 |
| 86 | 237 | National High Magnetic Field Laboratory |  | 741 | 302 | 305 | 268 |
| 87 | 240 | Bureau of Economic Analysis |  | 675 | 158 | 268 | 903 |
| 88 | 245 | Johns Hopkins Medicine |  | 460 | 186 | 215 | 1266 |
| 89 | 245 | National Heart, Lung, and Blood Institute |  | 703 | 52 | 638 | 2170 |
| 90 | 252 | Institute for Sustainable Development |  | 67 | 437 | 659 | 575 |
| 91 | 254 | University of Texas Health Science Center at San Antonio |  | 708 | 338 | 210 | 414 |
| 92 | 256 | Statistics Canada |  | 85 | 193 | 141 | 2875 |
| 93 | 259 | Rush University Medical Center |  | 27 | 502 | 271 | 1266 |
| 94 | 265 | University of Texas M.D. Anderson Cancer Center |  | 356 | 304 | 254 | 847 |
| 95 | 266 | Center for American Progress |  | 1296 | 89 | 705 | 941 |
| 96 | 270 | Jackson Laboratory |  | 60 | 247 | 1368 | 1228 |
| 97 | 272 | Schlumberger Doll Research Center |  | 1238 | 191 | 419 | 546 |
| 98 | 276 | National Audubon Society |  | 446 | 121 | 706 | 1593 |
| 99 | 284 | Hewlett Packard Labs |  | 1259 | 322 | 342 | 266 |
| 100 | 287 | IBM Research Almaden Research Center |  | 1322 | 254 | 445 | 355 |