| 301 | 862 | Subaru Telescope |  | 2174 | 1004 | 2281 | 1236 |
| 302 | 2034 | Cooperative Association for Internet Data Analysis | | 652 | 418 | 2290 | 3879 |
| 303 | 2819 | Land Institute | | 5506 | 1043 | 2304 | 3879 |
| 304 | 3007 | Essential Health (Duluth Clinic Health System) | | 2162 | 1396 | 2311 | 3879 |
| 305 | 3894 | SBH Health System | | 2900 | 2963 | 2316 | 3879 |
| 306 | 1025 | New York Eye and Ear Infirmary | | 4622 | 1293 | 2319 | 1288 |
| 307 | 4475 | Human Resources Research Organization | | 6638 | 3547 | 2339 | 3879 |
| 308 | 1467 | Mount Sinai Medical Center | | 2985 | 1450 | 2346 | 2313 |
| 309 | 1144 | Winthrop University Hospital | | 2648 | 1716 | 2346 | 1267 |
| 310 | 627 | Childrens Hospital Wisconsin | | 1658 | 673 | 2354 | 861 |
| 311 | 1989 | New England Complex Systems Institute | | 4172 | 737 | 2355 | 3509 |
| 312 | 2070 | Global Environment Facility | | 659 | 415 | 2355 | 3879 |
| 313 | 1758 | Novant Health (Presbyterian Healthcare) | | 728 | 844 | 2377 | 3316 |
| 314 | 724 | Library of Congress | | 9 | 5 | 2394 | 3879 |
| 315 | 2295 | Lovelace Respiratory Research Institute | | 7576 | 3506 | 2411 | 2249 |
| 316 | 393 | National Optical Astronomy Observatory | | 720 | 205 | 2426 | 725 |
| 317 | 4971 | Pacific Northwest Diabetes Research Institute | | 7012 | 4003 | 2445 | 3879 |
| 318 | 1648 | Institut de Recherche Robert-Sauvé en Santé et en Sécurité du Travail |  | 977 | 1098 | 2454 | 2919 |
| 319 | 2108 | Berkeley Geochronology Center | | 6863 | 3268 | 2465 | 2077 |
| 320 | 4434 | Saint Vincent Hospital | | 6218 | 3125 | 2469 | 3879 |
| 321 | 3162 | Barrow Neurological Institute of Saint Joseph's Hospital | | 3386 | 1193 | 2478 | 3879 |
| 322 | 1093 | Riverside Methodist Hospital Ohiohealth | | 2082 | 730 | 2478 | 1920 |
| 323 | 2770 | Research Institute for Fragrance Materials | | 5948 | 3452 | 2489 | 2782 |
| 324 | 4022 | Bronx Lebanon Hospital Center | | 4837 | 2412 | 2489 | 3879 |
| 325 | 1546 | Center for Strategic and International Studies | | 447 | 81 | 2501 | 3879 |
| 326 | 1173 | Sharp Memorial Hospital Rehabilitation Center | | 1316 | 547 | 2501 | 2266 |
| 327 | 3295 | Alaska Sea Life Center | | 4935 | 1157 | 2509 | 3879 |
| 328 | 4142 | Oregon College of Oriental Medicine | | 4017 | 2300 | 2521 | 3879 |
| 329 | 2177 | American Association for Cancer Research | | 1418 | 227 | 2538 | 3879 |
| 330 | 468 | American Academy of Pediatrics | | 788 | 44 | 2538 | 1640 |
| 331 | 4967 | Abramson Center for Jewish Life | | 6394 | 3208 | 2538 | 3879 |
| 332 | 1157 | ABT Associates Inc | | 2330 | 941 | 2538 | 1409 |
| 333 | 5513 | Academy of Radiology Research | | 5659 | 4059 | 2538 | 3879 |
| 334 | 5646 | American Center for Physics | | 7483 | 3986 | 2538 | 3879 |
| 335 | 949 | American College of Radiology | | 1037 | 302 | 2538 | 1992 |
| 336 | 5687 | Affymax Research Institute | | 7954 | 3665 | 2538 | 3879 |
| 337 | 7235 | Army Geospatial Center (Topographic Engineering Center) | | 5984 | 6734 | 2538 | 3879 |
| 338 | 3032 | Alliance for Aging Research | | 4154 | 1191 | 2538 | 3660 |
| 339 | 4836 | Texas AgriLife Research | | 6869 | 2961 | 2538 | 3879 |
| 340 | 518 | Agency for Healthcare Research and Quality | | 279 | 55 | 2538 | 1891 |
| 341 | 3417 | American Institute of Baking | | 2526 | 1223 | 2538 | 3879 |
| 342 | 3545 | Agricultural Institute of Canada | | 591 | 1523 | 2538 | 3879 |
| 343 | 1954 | American Institute of Mathematics | | 2740 | 1063 | 2538 | 2981 |
| 344 | 5931 | American Institute for Maghrib Studies | | 7502 | 4449 | 2538 | 3879 |
| 345 | 6209 | Alaska Bird Observatory | | 7796 | 4735 | 2538 | 3879 |
| 346 | 4558 | Albany VA Medical Center VA Healthcare Network Upstate New York | | 6992 | 6720 | 2538 | 2408 |
| 347 | 3372 | VA Health Care System New Mexico | | 6638 | 6143 | 2538 | 1701 |
| 348 | 4233 | Allergy and Asthma Medical Group and Research Center | | 7417 | 5269 | 2538 | 2981 |
| 349 | 4542 | Alliance for Clinical Trials in Oncology (Cancer Leukemia Group B) | | 5007 | 2689 | 2538 | 3879 |
| 350 | 3341 | Altarum Institute | | 3887 | 1081 | 2538 | 3879 |
| 351 | 7711 | VA Health Care System Amarillo | | 7275 | 7446 | 2538 | 3879 |
| 352 | 3716 | Animal Medical Center | | 3449 | 1555 | 2538 | 3879 |
| 353 | 3046 | American Geosciences Institute (American Geological Institute) | | 919 | 874 | 2538 | 3879 |
| 354 | 1588 | Center for American Progress | | 545 | 65 | 2538 | 3879 |
| 355 | 6977 | American Geotechnical | | 7823 | 6010 | 2538 | 3879 |
| 356 | 7896 | Center of Excellence for Limb Loss Prevention and Prosthetic | | 7482 | 7783 | 2538 | 3879 |
| 357 | 5161 | Andrews Sports Medicine And Orthopaedic Center | | 5632 | 3526 | 2538 | 3879 |
| 358 | 3351 | Angiogenesis Foundation | | 6189 | 1980 | 2538 | 3509 |
| 359 | 2071 | VA Healthcare System Ann Arbor | | 6688 | 6005 | 2538 | 352 |
| 360 | 2556 | Academy of Natural Sciences of Philadelphia | | 496 | 506 | 2538 | 3879 |
| 361 | 5191 | Anderson Orthopaedic Research Institute | | 7740 | 4797 | 2538 | 3509 |
| 362 | 3417 | Asia Pacific Center for Security Studies | | 3175 | 1192 | 2538 | 3879 |
| 363 | 1664 | American Petroleum Institute | | 953 | 147 | 2538 | 3660 |
| 364 | 4316 | Institute for Applied Ecology | | 4154 | 3331 | 2538 | 3660 |
| 365 | 8051 | Applied Mammal Research Institute | | 7630 | 8032 | 2538 | 3879 |
| 366 | 7916 | Advanced Platform Technology Center | | 6713 | 7862 | 2538 | 3879 |
| 367 | 6893 | AIDS Research Consortium of Atlanta | | 7879 | 5827 | 2538 | 3879 |
| 368 | 1141 | Arkansas Childrens Hospital | | 2633 | 1170 | 2538 | 1088 |
| 369 | 4365 | Arizona Oncology Associates | | 3302 | 2530 | 2538 | 3879 |
| 370 | 7546 | Arkansas Foot and Ankle Clinic | | 7879 | 7003 | 2538 | 3879 |
| 371 | 4823 | US Army Research Laboratory | | 1494 | 3377 | 2538 | 3879 |
| 372 | 7792 | Center for Arson Research | | 7767 | 7509 | 2538 | 3879 |
| 373 | 6010 | Arthritis Research Center Foundation Inc | | 6096 | 4753 | 2538 | 3879 |
| 374 | 4062 | Arthritis Research Centre of Canada | | 4805 | 3802 | 2538 | 3410 |
| 375 | 1104 | Agence Spatiale Canadienne / Canadian Space Agency | | 706 | 336 | 2538 | 2290 |
| 376 | 6169 | VA Medical Center Asheville North Carolina | | 6872 | 6268 | 2538 | 3509 |
| 377 | 2939 | American Sports Medicine Institute | | 7204 | 1905 | 2538 | 3252 |
| 378 | 4262 | Aspen Center for Physics | | 6529 | 2115 | 2538 | 3879 |
| 379 | 4074 | Asphalt Institute | | 5995 | 1879 | 2538 | 3879 |
| 380 | 5901 | Art Science Research Laboratory | | 7230 | 4452 | 2538 | 3879 |
| 381 | 7417 | Aberdeen Test Center | | 7350 | 6918 | 2538 | 3879 |
| 382 | 7118 | Atips Laboratory University of Calgary | | 7954 | 6042 | 2538 | 3879 |
| 383 | 4873 | Atrium Medical Corporation | | 5893 | 3117 | 2538 | 3879 |
| 384 | 1679 | Harvard Vanguard Medical Associates NOW AtriusHealth | | 2450 | 1569 | 2538 | 2104 |
| 385 | 2979 | Audubon Nature Institute | | 4426 | 698 | 2538 | 3879 |
| 386 | 3300 | Association of Universities for Research in Astronomy | | 4205 | 1001 | 2538 | 3879 |
| 387 | 6261 | Autonomous Undersea Systems Institute | | 7598 | 4905 | 2538 | 3879 |
| 388 | 4434 | Austen Riggs Center | | 4409 | 2563 | 2538 | 3879 |
| 389 | 2607 | Animal Welfare Institute | | 2972 | 451 | 2538 | 3879 |
| 390 | 6610 | Axio Research Corporation | | 7128 | 5577 | 2538 | 3879 |
| 391 | 6638 | Bay Area Environmental Research Institute | | 7409 | 5582 | 2538 | 3879 |
| 392 | 6143 | New Mexico Petroleum Recovery Research Center | | 7174 | 4822 | 2538 | 3879 |
| 393 | 4424 | Bamfield Marine Sciences Centre | | 4287 | 4086 | 2538 | 3509 |
| 394 | 3422 | Baptist Hospital | | 1724 | 1254 | 2538 | 3879 |
| 395 | 3295 | Barnes Jewish Hospital | | 1868 | 1102 | 2538 | 3879 |
| 396 | 7456 | Barnes Retina Institute | | 8011 | 6625 | 2538 | 3879 |
| 397 | 7732 | Bath VA Medical Center VA Healthcare Network Upstate New York | | 6832 | 7507 | 2538 | 3879 |
| 398 | 7306 | VA Medical Center Battle Creek Michigan | | 6971 | 6767 | 2538 | 3879 |
| 399 | 5504 | Bauu Institute | | 7954 | 3410 | 2538 | 3879 |
| 400 | 5468 | Baylor Jack and Jane Hamilton Heart and Vascular Hospital | | 5311 | 4022 | 2538 | 3879 |
