| 1 (5) | National Aeronautics and Space Administration * | USA |  |
| 2 (6) | Microsoft, USA | USA |  |
| 3 (8) | Google Inc, USA | USA |  |
| 4 (13) | California Institute of Technology * | USA |  |
| 5 (17) | IBM United States | USA |  |
| 6 (21) | University of Texas, Austin | USA |  |
| 7 (22) | NASA Goddard Space Flight Center | USA |  |
| 8 (25) | Harvard University * | USA |  |
| 9 (31) | Jet Propulsion Laboratory | USA |  |
| 10 (32) | University of Colorado, Boulder * | USA |  |
| 11 (33) | University of California, Berkeley * | USA |  |
| 12 (35) | National Oceanic and Atmospheric Administration | USA |  |
| 13 (48) | Smithsonian Institution * | USA |  |
| 14 (49) | Stanford University * | USA |  |
| 15 (50) | University of Washington * | USA |  |
| 16 (53) | Aramco Services Co, United States | USA |  |
| 17 (54) | Massachusetts Institute of Technology * | USA |  |
| 18 (55) | Schlumberger, United States | USA |  |
| 19 (57) | University of Maryland, Baltimore | USA |  |
| 20 (58) | Harvard-Smithsonian Center for Astrophysics | USA |  |
| 21 (59) | University of Arizona * | USA |  |
| 22 (65) | University of Maryland, College Park * | USA |  |
| 23 (66) | Princeton University | USA |  |
| 24 (73) | Columbia University * | USA |  |
| 24 (73) | United States Geological Survey | USA |  |
| 26 (76) | State University of New York at Binghamton | USA |  |
| 27 (79) | Chevron Corp | USA |  |
| 28 (80) | University of Michigan, Ann Arbor * | USA |  |
| 29 (82) | Texas A&M University, College Station | USA |  |
| 30 (84) | Pennsylvania State University * | USA |  |
| 30 (84) | Carnegie Mellon University * | USA |  |
| 32 (85) | University of California, Los Angeles * | USA |  |
| 33 (94) | University of California, Santa Cruz | USA |  |
| 34 (100) | University of California, San Diego * | USA |  |
| 35 (103) | National Center for Atmospheric Research | USA |  |
| 36 (111) | University of Chicago * | USA |  |
| 37 (116) | Lawrence Berkeley National Laboratory * | USA |  |
| 38 (120) | Ohio State University, Columbus * | USA |  |
| 39 (125) | University of California, Santa Barbara | USA |  |
| 40 (126) | South Dakota State University | USA |  |
| 41 (131) | Johns Hopkins University * | USA |  |
| 41 (131) | University of Oklahoma * | USA |  |
| 43 (133) | Space Telescope Science Institute | USA |  |
| 44 (134) | Yale University * | USA |  |
| 45 (137) | ExxonMobil, USA | USA |  |
| 45 (137) | Cary Institute of Ecosystem Studies | USA |  |
| 47 (143) | University of Illinois at Urbana-Champaign * | USA |  |
| 48 (150) | Woods Hole Oceanographic Institution | USA |  |
| 49 (152) | University of Wisconsin, Madison * | USA |  |
| 50 (153) | Baker Hughes, USA | USA |  |
| 51 (154) | University of Hawaii, Manoa * | USA |  |
| 51 (154) | Georgia Institute of Technology * | USA |  |
| 53 (157) | Amherst College | USA |  |
| 54 (158) | University of California, Davis * | USA |  |
| 55 (160) | Shell, USA | USA |  |
| 56 (161) | NASA Ames Research Center | USA |  |
| 57 (169) | Oregon State University | USA |  |
| 58 (170) | Arizona State University | USA |  |
| 59 (173) | Carnegie Institution for Science * | USA |  |
| 60 (178) | University of California, Irvine * | USA |  |
| 61 (180) | Colorado State University, Fort Collins * | USA |  |
| 62 (183) | United States Department of Agriculture | USA |  |
| 63 (186) | Cornell University * | USA |  |
| 64 (188) | Grinnell College | USA |  |
| 65 (190) | University of North Carolina, Chapel Hill * | USA |  |
| 66 (206) | Northwestern University, Evanston * | USA |  |
| 67 (208) | Simons Foundation | USA |  |
| 68 (211) | University of Tulsa | USA |  |
| 69 (216) | University of Wyoming | USA |  |
| 70 (222) | Brandeis University | USA |  |
| 71 (227) | Purdue University | USA |  |
| 72 (228) | Pacific Northwest National Laboratory | USA |  |
| 73 (237) | Woodruff Health Sciences Center | USA |  |
| 73 (237) | Duke University * | USA |  |
| 73 (237) | University of Minnesota, Twin Cities * | USA |  |
| 76 (238) | National Energy Technology Laboratory | USA |  |
| 77 (240) | U.S. Department of Energy * | USA |  |
| 78 (242) | Rutgers, The State University of New Jersey | USA |  |
| 79 (244) | University of Florida * | USA |  |
| 80 (248) | Michigan State University | USA |  |
| 81 (249) | Los Alamos National Laboratory * | USA |  |
| 82 (250) | Institute for Advanced Study | USA |  |
| 83 (253) | Colorado School of Mines | USA |  |
| 83 (253) | Rice University | USA |  |
| 85 (256) | Kavli Institute for Particle Astrophysics and Cosmology | USA |  |
| 86 (257) | Wildlife Conservation Society USA | USA |  |
| 87 (258) | University of Southern California * | USA |  |
| 88 (259) | Universities Space Research Association | USA |  |
| 89 (261) | Case Western Reserve University | USA |  |
| 90 (264) | Missouri University of Science & Technology | USA |  |
| 90 (264) | New York University * | USA |  |
| 92 (268) | Oak Ridge National Laboratory | USA |  |
| 93 (270) | Glenn Research Center | USA |  |
| 94 (271) | NASA Langley Research Center | USA |  |
| 94 (271) | University of Pittsburgh * | USA |  |
| 96 (275) | University of California, Riverside | USA |  |
| 96 (275) | Indiana State University | USA |  |
| 96 (275) | University of Virginia * | USA |  |
| 99 (278) | University of Utah * | USA |  |
| 100 (279) | University of Maryland, Baltimore County | USA |  |
| 101 (281) | University of Pennsylvania * | USA |  |
| 102 (283) | Virginia Polytechnic Institute and State University | USA |  |
| 103 (285) | Infrared Processing and Analysis Center | USA |  |
| 104 (293) | NASA Johnson Space Center | USA |  |
| 105 (295) | California State University, Fresno | USA |  |
| 105 (295) | Louisiana State University, Baton Rouge | USA |  |
| 107 (297) | National Institute of Standards and Technology * | USA |  |
| 107 (297) | Science System and Applications, Inc | USA |  |
| 109 (298) | Florida State University * | USA |  |
| 110 (302) | Lawrence Livermore National Laboratory * | USA |  |
| 110 (302) | Texas Tech University | USA |  |
| 110 (302) | US Environmental Protection Agency | USA |  |
| 113 (303) | University of Massachusetts, Amherst | USA |  |
| 114 (304) | State University of New York, Stony Brook * | USA |  |
| 115 (305) | University of South Florida System * | USA |  |
| 116 (306) | University of Miami * | USA |  |
| 117 (309) | SRI International | USA |  |
| 118 (312) | Iowa State University | USA |  |
| 119 (313) | Southwest Research Institute | USA |  |
| 120 (315) | NASA Goddard Institute for Space Studies | USA |  |
| 121 (316) | University of Rochester * | USA |  |
| 121 (316) | SLAC National Accelerator Laboratory | USA |  |
| 123 (320) | Boston University * | USA |  |
| 124 (321) | George Mason University | USA |  |
| 124 (321) | University of Alaska, Fairbanks | USA |  |
| 124 (321) | Haverford College in Pennsylvania | USA |  |
| 127 (324) | National Radio Astronomy Observatory Charlottesville | USA |  |
| 128 (327) | University of Notre Dame | USA |  |
| 128 (327) | University of South Florida | USA |  |
| 128 (327) | University of Iowa * | USA |  |
| 128 (327) | Vanderbilt University * | USA |  |
| 132 (328) | North Carolina State University | USA |  |
| 133 (330) | Tufts University | USA |  |
| 134 (332) | Brown University | USA |  |
| 135 (336) | U.S. Air Force | USA |  |
| 135 (336) | Fermi National Accelerator Laboratory | USA |  |
| 137 (337) | University of Montana, Missoula | USA |  |
| 138 (340) | University of Houston | USA |  |
| 138 (340) | University of Nebraska, Lincoln | USA |  |
| 140 (344) | University of Alabama, Tuscaloosa | USA |  |
| 141 (349) | University of Oregon | USA |  |
| 141 (349) | University of Delaware | USA |  |
| 143 (350) | U.S. Army * | USA |  |
| 144 (351) | New Mexico Institute of Mining and Technology * | USA |  |
| 144 (351) | University of New Hampshire | USA |  |
| 146 (352) | Indiana University-Bloomington | USA |  |
| 146 (352) | Argonne National Laboratory | USA |  |
| 146 (352) | University of Southern Mississippi | USA |  |
| 149 (355) | National Radio Astronomy Observatory, Socorro | USA |  |
| 150 (356) | New Mexico State University | USA |  |
| 151 (358) | Northeastern University, USA | USA |  |
| 152 (359) | University of Kentucky * | USA |  |
| 153 (362) | University at Texas Rio Grande Valley | USA |  |
| 154 (363) | University of Kansas * | USA |  |
| 154 (363) | National Optical Astronomy Observatory | USA |  |
| 156 (364) | US Naval Research Laboratory | USA |  |
| 157 (368) | University of Denver | USA |  |
| 158 (369) | Coastal Carolina University | USA |  |
| 159 (371) | Boeing Co, USA | USA |  |
| 160 (373) | NASA Stennis Space Center | USA |  |
| 160 (373) | Clemson University | USA |  |
| 162 (374) | West Virginia University * | USA |  |
| 162 (374) | Lockheed Martin Corp * | USA |  |
| 162 (374) | Centers for Disease Control and Prevention | USA |  |
| 165 (375) | Marine Biological Laboratory | USA |  |
| 166 (376) | Brookhaven National Laboratory * | USA |  |
| 167 (377) | Washington University in Saint Louis * | USA |  |
| 168 (378) | University of Nevada-Las Vegas | USA |  |
| 168 (378) | Montana State University, Bozeman | USA |  |
| 170 (379) | State University of New York, Albany | USA |  |
| 170 (379) | University of the Pacific | USA |  |
| 172 (380) | SETI Institute | USA |  |
| 172 (380) | Rochester Institute of Technology | USA |  |
| 174 (384) | University of Texas, San Antonio | USA |  |
| 175 (385) | NASA Marshall Space Flight Center | USA |  |
| 176 (386) | Kenyon College | USA |  |
| 176 (386) | BP United States | USA |  |
| 176 (386) | Northrop Grumman Corp, USA | USA |  |
| 176 (386) | City University of New York * | USA |  |
| 176 (386) | University of Georgia | USA |  |
| 181 (388) | San Francisco State University | USA |  |
| 181 (388) | Texas A&M University, Corpus Christi | USA |  |
| 183 (389) | University of Maryland, Center for Environmental Science | USA |  |
| 184 (392) | University of Wisconsin, Milwaukee | USA |  |
| 185 (396) | University of Cincinnati * | USA |  |
| 186 (397) | Tulane University * | USA |  |
| 186 (397) | Colby College | USA |  |
| 188 (398) | University of Texas, Dallas | USA |  |
| 189 (399) | Northern Arizona University | USA |  |
| 190 (400) | State University of New York, College of Environmental Science and Forestry | USA |  |
| 191 (403) | Clarkson University | USA |  |
| 191 (403) | University of North Dakota | USA |  |
| 193 (404) | Mississippi State University | USA |  |
| 193 (404) | University of Connecticut, Storrs * | USA |  |
| 195 (405) | College of William and Mary | USA |  |
| 195 (405) | Space Science Institute | USA |  |
| 195 (405) | Utah State University * | USA |  |
| 198 (406) | Sandia National Laboratories, New Mexico | USA |  |
| 199 (407) | American Museum of Natural History | USA |  |
| 200 (409) | State University of New York, Buffalo | USA |  |
| 201 (410) | Emory University * | USA |  |
| 202 (412) | Florida Atlantic University | USA |  |
| 202 (412) | University of New Mexico * | USA |  |
| 204 (414) | Washington State University, Pullman * | USA |  |
| 205 (417) | Ohio University | USA |  |
| 205 (417) | US National Science Foundation * | USA |  |
| 207 (419) | Naval Postgraduate School | USA |  |
| 207 (419) | University Corporation for Atmospheric Research | USA |  |
| 209 (420) | University of Tennessee, Knoxville * | USA |  |
| 209 (420) | Smithsonian Environmental Research Center | USA |  |
| 211 (422) | Florida International University | USA |  |
| 211 (422) | California State University, Los Angeles | USA |  |
| 213 (423) | Subaru Telescope | USA |  |
| 214 (424) | Saint Louis University, Saint Louis * | USA |  |
| 215 (425) | Syracuse University | USA |  |
| 215 (425) | U.S. Department of Health and Human Services * | USA |  |
| 215 (425) | National High Magnetic Field Laboratory | USA |  |
| 218 (426) | The Catholic University of America | USA |  |
| 218 (426) | Boston College | USA |  |
| 218 (426) | University of Toledo * | USA |  |
| 221 (427) | Dartmouth College * | USA |  |
| 221 (427) | San Diego State University | USA |  |
| 223 (429) | Desert Research Institute, Reno | USA |  |
| 224 (430) | University of California, Merced | USA |  |
| 224 (430) | Kansas State University | USA |  |
| 226 (431) | University of Massachusetts, Boston | USA |  |
| 226 (431) | Rensselaer Polytechnic Institute | USA |  |
| 228 (432) | University of Idaho | USA |  |
| 229 (433) | University of Alabama, Huntsville | USA |  |
| 230 (434) | Wesleyan University, Middletown | USA |  |
| 230 (434) | Smith College | USA |  |
| 230 (434) | North Carolina A&T State University | USA |  |
| 233 (435) | University of Texas, Arlington | USA |  |
| 233 (435) | United States Fish and Wildlife Service | USA |  |
| 235 (436) | Jackson State University | USA |  |
| 235 (436) | Sonoma State University | USA |  |
| 237 (437) | Idaho State University | USA |  |
| 238 (438) | University of South Carolina * | USA |  |
| 239 (439) | University of South Florida-Saint Petersburg | USA |  |
| 240 (440) | University of Maine, Orono | USA |  |
| 241 (441) | New Jersey Institute of Technology | USA |  |
| 241 (441) | Clark University | USA |  |
| 243 (442) | Planetary Science Institute | USA |  |
| 243 (442) | Gemini Observatory | USA |  |
| 245 (443) | University of Rhode Island | USA |  |
| 246 (444) | Oak Ridge Institute for Science and Education | USA |  |
| 247 (445) | Brigham Young University | USA |  |
| 248 (446) | Valparaiso University | USA |  |
| 248 (446) | University of Nevada-Reno | USA |  |
| 250 (447) | Indiana University-Purdue University Indianapolis | USA |  |
| 251 (448) | Lehigh University | USA |  |
| 252 (449) | College of Charleston | USA |  |
| 252 (449) | Villanova University | USA |  |
| 254 (450) | University of Hawaii, Hilo | USA |  |
| 255 (451) | University of Texas, El Paso | USA |  |
| 255 (451) | Illinois State University | USA |  |
| 255 (451) | Michigan Technological University | USA |  |
| 255 (451) | Virginia Commonwealth University * | USA |  |
| 259 (452) | University of Vermont | USA |  |
| 260 (453) | Georgia State University | USA |  |
| 260 (453) | City University of New York, City College | USA |  |
| 262 (455) | Monterey Bay Aquarium Research Institute | USA |  |
| 263 (456) | Old Dominion University | USA |  |
| 264 (457) | Portland State University | USA |  |
| 265 (458) | The College of New Jersey | USA |  |
| 266 (459) | Auburn University | USA |  |
| 267 (460) | George Washington University * | USA |  |
| 268 (461) | Trinity University | USA |  |
| 269 (462) | Northern Kentucky University | USA |  |
| 270 (465) | American University | USA |  |
| 270 (465) | Smithsonian National Museum of Natural History | USA |  |
| 272 (469) | University of Missouri, Kansas City | USA |  |
| 272 (469) | Florida Institute of Technology | USA |  |
| 274 (470) | Drexel University | USA |  |
| 275 (471) | University of Illinois, Chicago * | USA |  |
| 276 (472) | Wellesley College | USA |  |
| 277 (473) | Louisiana Tech University | USA |  |
| 277 (473) | Western Washington University | USA |  |
| 279 (474) | Utah Valley University | USA |  |
| 279 (474) | University of Missouri, Columbia * | USA |  |
| 281 (478) | University of North Carolina, Greensboro | USA |  |
| 281 (478) | University of Massachusetts, Lowell | USA |  |
| 283 (481) | Joint Institute for Laboratory Astrophysics | USA |  |
| 284 (482) | California Academy of Sciences | USA |  |
| 284 (482) | University of North Texas | USA |  |
| 286 (483) | Field Museum Natural History | USA |  |
| 287 (484) | World Bank United States | USA |  |
| 287 (484) | South Dakota School of Mines and Technology | USA |  |
| 289 (485) | Murray State University | USA |  |
| 289 (485) | University of Alaska, Anchorage | USA |  |
| 291 (486) | Williams College | USA |  |
| 292 (487) | Wayne State University | USA |  |
| 292 (487) | Southern Methodist University | USA |  |
| 294 (488) | City University of New York Graduate Center | USA |  |
| 294 (488) | Western Michigan University | USA |  |
| 296 (490) | University of Massachusetts, Dartmouth | USA |  |
| 297 (491) | Macalester College | USA |  |
| 297 (491) | University of North Carolina, Wilmington | USA |  |
| 299 (493) | Carleton College | USA |  |
| 300 (494) | Appalachian State University | USA |  |
| 300 (494) | Southern Illinois University, Carbondale * | USA |  |
| 302 (495) | California State University, Northridge | USA |  |
| 303 (496) | Oklahoma State University, Stillwater | USA |  |
| 304 (497) | University of Akron | USA |  |
| 304 (497) | Princeton Plasma Physics Laboratory | USA |  |
| 306 (498) | Boise State University | USA |  |
| 307 (499) | Bucknell University | USA |  |
| 308 (501) | University of Louisville * | USA |  |
| 308 (501) | Temple University * | USA |  |
| 308 (501) | Towson University | USA |  |
| 311 (502) | Colorado College | USA |  |
| 312 (503) | University of Central Florida | USA |  |
| 313 (505) | University of Memphis | USA |  |
| 313 (505) | Nova Southeastern University, Estados Unidos | USA |  |
| 315 (506) | University of Minnesota, Duluth | USA |  |
| 316 (507) | Vassar College | USA |  |
| 316 (507) | Swarthmore College | USA |  |
| 316 (507) | University of Arkansas, Fayetteville | USA |  |
| 319 (508) | Southern Connecticut State University | USA |  |
| 320 (509) | California State University, Sacramento | USA |  |
| 321 (510) | Humboldt State University | USA |  |
| 322 (516) | City University of New York, Hunter College | USA |  |
| 323 (518) | Chapman University | USA |  |
| 323 (518) | City University of New York, Queens College | USA |  |
| 325 (520) | University of Louisiana, Lafayette | USA |  |
| 326 (521) | California State University - East Bay | USA |  |
| 327 (523) | Georgia Southern University | USA |  |
| 328 (524) | San Jose State University | USA |  |
| 328 (524) | University of Dayton | USA |  |
| 328 (524) | Bowling Green State University | USA |  |
| 331 (525) | Washington State University, Vancouver Campus | USA |  |
| 331 (525) | California State Polytechnic University, Pomona | USA |  |
| 333 (526) | Baylor University | USA |  |
| 333 (526) | UCLA Health System | USA |  |
| 335 (527) | California State University, Fullerton | USA |  |
| 335 (527) | East Carolina University | USA |  |
| 335 (527) | Texas Christian University | USA |  |
| 335 (527) | Middle Tennessee State University | USA |  |
| 339 (530) | Tennessee State University | USA |  |
| 340 (531) | Electric Power Research Institute | USA |  |
| 340 (531) | Central Washington University | USA |  |
| 342 (532) | Montclair State University | USA |  |
| 342 (532) | Middlebury College | USA |  |
| 344 (533) | Aerospace Corp | USA |  |
| 345 (536) | National Renewable Energy Laboratory | USA |  |
| 345 (536) | Northern Illinois University | USA |  |
| 347 (537) | Wright State University | USA |  |
| 348 (538) | Santa Clara University | USA |  |
| 348 (538) | East Tennessee State University | USA |  |
| 350 (539) | Miami University of Ohio | USA |  |
| 351 (541) | Kent State University | USA |  |
| 352 (542) | Barnard College | USA |  |
| 353 (543) | Pomona College | USA |  |
| 354 (544) | Hobart and William Smith Colleges | USA |  |
| 354 (544) | Georgetown University * | USA |  |
| 356 (546) | Embry-Riddle Aeronautical University * | USA |  |
| 356 (546) | Marquette University | USA |  |
| 358 (548) | University of Colorado, Denver * | USA |  |
| 358 (548) | National Institute of Aerospace | USA |  |
| 358 (548) | Howard University * | USA |  |
| 361 (549) | Stevens Institute of Technology | USA |  |
| 361 (549) | California Polytechnic State University, San Luis Obispo | USA |  |
| 363 (550) | University of South Alabama * | USA |  |
| 364 (551) | Central Michigan University | USA |  |
| 365 (553) | Florida Gulf Coast University | USA |  |
| 365 (553) | Bowdoin College | USA |  |
| 367 (556) | Lafayette College | USA |  |
| 368 (557) | AECOM | USA |  |
| 369 (560) | Morgan State University | USA |  |
| 369 (560) | Occidental College | USA |  |
| 371 (561) | Colgate University | USA |  |
| 371 (561) | Battelle Memorial Institute * | USA |  |
| 373 (562) | Western Kentucky University | USA |  |
| 374 (563) | James Madison University | USA |  |
| 375 (564) | University of North Carolina, Charlotte | USA |  |
| 375 (564) | Mount Holyoke College | USA |  |
| 377 (565) | California State University - San Bernardino | USA |  |
| 377 (565) | North Dakota State University | USA |  |
| 379 (568) | Manhattan College | USA |  |
| 380 (569) | California State University, Long Beach | USA |  |
| 381 (571) | Hampton University | USA |  |
| 382 (578) | Worcester Polytechnic Institute | USA |  |
| 382 (578) | Missouri State University | USA |  |
| 384 (579) | University of Mississippi * | USA |  |
| 384 (579) | Cleveland State University | USA |  |
| 386 (580) | University of Michigan, Dearborn | USA |  |
| 387 (582) | Harvard Medical School | USA |  |
| 388 (583) | Texas State University, San Marcos | USA |  |
| 389 (584) | City University of New York, Brooklyn College | USA |  |
| 390 (586) | Western Illinois University | USA |  |
| 391 (592) | United States Naval Academy | USA |  |
| 392 (593) | University of New Orleans | USA |  |
| 393 (594) | California State University - Bakersfield | USA |  |
| 394 (601) | Ball State University | USA |  |
| 395 (607) | University of Colorado, Colorado Springs | USA |  |
| 396 (609) | University of Northern Colorado * | USA |  |
| 396 (609) | University of North Florida | USA |  |
| 398 (610) | Rowan University | USA |  |
| 399 (613) | Marshall University | USA |  |
| 400 (618) | Loma Linda University * | USA |  |
| 401 (620) | Christopher Newport University | USA |  |
| 402 (621) | Southern Illinois University Edwardsville | USA |  |
| 403 (623) | New York City College of Technology | USA |  |
| 404 (657) | United States Military Academy at West Point | USA |  |
|