| 1 (2) | National Aeronautics and Space Administration * | USA |  |
| 2 (5) | California Institute of Technology * | USA |  |
| 3 (8) | Harvard University * | USA | |
| 4 (9) | Google Inc, USA | USA |  |
| 5 (11) | Smithsonian Institution * | USA | |
| 6 (12) | Harvard-Smithsonian Center for Astrophysics | USA | |
| 7 (13) | Jet Propulsion Laboratory | USA | |
| 8 (18) | NASA Goddard Space Flight Center | USA | |
| 9 (20) | University of Arizona * | USA | |
| 10 (26) | Massachusetts Institute of Technology * | USA | |
| 11 (28) | University of California, Berkeley * | USA | |
| 12 (32) | Princeton University | USA | |
| 13 (34) | University of Colorado, Boulder * | USA | |
| 14 (36) | Johns Hopkins University * | USA | |
| 15 (40) | University of Washington * | USA | |
| 16 (42) | Space Telescope Science Institute | USA | |
| 17 (50) | University of Michigan, Ann Arbor * | USA | |
| 18 (51) | Stanford University * | USA | |
| 19 (53) | University of Chicago * | USA | |
| 20 (56) | NASA Goddard Institute for Space Studies | USA | |
| 21 (61) | Pennsylvania State University * | USA | |
| 22 (63) | Simons Foundation | USA |  |
| 23 (66) | University of Texas, Austin | USA | |
| 24 (67) | University of Maryland, College Park * | USA | |
| 25 (68) | Kavli Institute for Particle Astrophysics and Cosmology | USA | |
| 26 (69) | Northwestern University, Evanston * | USA | |
| 27 (70) | Columbia University * | USA | |
| 28 (72) | University of California, Santa Cruz | USA | |
| 29 (74) | Carnegie Institution for Science * | USA | |
| 30 (79) | Cornell University * | USA | |
| 31 (80) | University of California, Los Angeles * | USA | |
| 32 (85) | Ohio State University, Columbus * | USA | |
| 33 (92) | University of Hawaii, Manoa * | USA | |
| 34 (93) | University of California, Santa Barbara | USA | |
| 35 (102) | SLAC National Accelerator Laboratory | USA | |
| 36 (103) | NASA Ames Research Center | USA | |
| 37 (105) | University of Toronto | CAN | |
| 38 (106) | University of Nevada-Reno | USA | |
| 39 (110) | Infrared Processing and Analysis Center | USA | |
| 40 (112) | Mayo Clinic * | USA |  |
| 41 (113) | Kansas State University | USA | |
| 42 (114) | Yale University * | USA | |
| 43 (115) | National Oceanic and Atmospheric Administration | USA | |
| 44 (118) | Purdue University | USA | |
| 45 (121) | Institute for Advanced Study | USA | |
| 46 (124) | National Radio Astronomy Observatory Charlottesville | USA | |
| 47 (127) | Arizona State University * | USA | |
| 48 (128) | University of California, Irvine * | USA | |
| 49 (129) | National Center for Atmospheric Research | USA | |
| 50 (137) | National Research Council Canada * | CAN | |
| 51 (149) | University of South Carolina * | USA | |
| 52 (160) | University of California, Merced | USA | |
| 53 (168) | Stephen F Austin State University | USA | |
| 54 (174) | University of Illinois at Urbana-Champaign * | USA | |
| 55 (175) | University of Wisconsin, Madison * | USA | |
| 56 (178) | Rutgers, The State University of New Jersey | USA | |
| 57 (179) | Los Alamos National Laboratory * | USA | |
| 58 (180) | University of Pennsylvania * | USA | |
| 59 (183) | McGill University * | CAN | |
| 60 (184) | Western Washington University | USA | |
| 61 (185) | University of California, Davis * | USA | |
| 62 (188) | Texas A&M University, College Station * | USA | |
| 63 (189) | University of California, Riverside | USA | |
| 64 (191) | U.S. Air Force | USA | |
| 65 (202) | University of Victoria | CAN | |
| 66 (207) | North Carolina State University | USA | |
| 67 (210) | Perimeter Institute for Theoretical Physics | CAN | |
| 68 (213) | United States Geological Survey | USA | |
| 69 (216) | University of Virginia * | USA | |
| 70 (219) | University of California, San Diego * | USA | |
| 71 (220) | Lawrence Berkeley National Laboratory * | USA | |
| 72 (221) | American Museum of Natural History | USA | |
| 73 (223) | Argonne National Laboratory * | USA | |
| 74 (227) | University of Utah * | USA | |
| 75 (240) | Universities Space Research Association | USA | |
| 76 (241) | KBR Inc, USA | USA | |
| 77 (251) | Brandeis University | USA | |
| 78 (252) | Lockheed Martin Corp * | USA | |
| 79 (256) | Woods Hole Oceanographic Institution | USA | |
| 80 (258) | University of North Carolina, Chapel Hill * | USA | |
| 81 (264) | University of Pittsburgh * | USA | |
| 81 (264) | University of Massachusetts, Amherst | USA | |
| 83 (267) | SETI Institute | USA | |
| 84 (274) | University of Notre Dame | USA | |
| 85 (280) | Brown University | USA | |
| 86 (289) | Vanderbilt University * | USA | |
| 87 (291) | Duke University * | USA | |
| 88 (297) | Space Science Institute | USA | |
| 89 (301) | National Radio Astronomy Observatory, Socorro | USA | |
| 90 (308) | Carnegie Mellon University * | USA | |
| 91 (311) | University of Florida * | USA | |
| 92 (314) | City University of New York Graduate Center | USA | |
| 93 (318) | University of Minnesota, Twin Cities * | USA | |
| 93 (318) | Southwest Research Institute | USA | |
| 95 (320) | George Mason University | USA | |
| 96 (322) | Canadian Institute for Advanced Research | CAN | |
| 97 (325) | New York University * | USA | |
| 98 (329) | Smith College | USA | |
| 99 (334) | National Institute of Standards and Technology * | USA | |
| 100 (338) | Colorado State University, Fort Collins * | USA | |
| 101 (342) | Smithsonian National Museum of Natural History | USA | |
| 102 (352) | University of New Brunswick | CAN | |
| 103 (354) | Fermi National Accelerator Laboratory | USA | |
| 104 (355) | University of Waterloo * | CAN | |
| 105 (363) | University of Tampa | USA | |
| 106 (368) | University of Delaware | USA | |
| 107 (378) | Sandia National Laboratories, New Mexico | USA | |
| 108 (382) | Tufts University | USA | |
| 109 (384) | Georgia Institute of Technology * | USA | |
| 110 (386) | University of Alabama, Huntsville | USA | |
| 111 (393) | Indiana University-Purdue University Indianapolis | USA | |
| 112 (395) | Universite de Montreal | CAN | |
| 113 (396) | University of Oregon | USA | |
| 114 (397) | Environment Canada | CAN | |
| 115 (399) | University Corporation for Atmospheric Research | USA | |
| 116 (410) | Iowa State University | USA | |
| 117 (412) | University of Nevada-Las Vegas | USA | |
| 118 (413) | University of Iowa * | USA | |
| 119 (416) | University of Missouri, Columbia * | USA | |
| 120 (423) | Virginia Polytechnic Institute and State University * | USA | |
| 121 (425) | University of Oklahoma * | USA | |
| 122 (427) | Michigan State University | USA | |
| 123 (435) | US Naval Research Laboratory | USA | |
| 124 (439) | University of the Pacific | USA | |
| 125 (441) | Boston University * | USA | |
| 126 (444) | University of Central Florida | USA | |
| 127 (446) | University of Connecticut, Storrs * | USA | |
| 128 (447) | Pacific Northwest National Laboratory * | USA | |
| 129 (449) | City University of New York * | USA | |
| 130 (453) | Joint Institute for Laboratory Astrophysics | USA | |
| 131 (456) | NASA Johnson Space Center | USA | |
| 132 (457) | US National Science Foundation * | USA | |
| 133 (463) | Wesleyan University, Middletown | USA | |
| 134 (471) | Florida International University | USA | |
| 135 (475) | State University of New York, Stony Brook * | USA | |
| 136 (483) | American University | USA | |
| 137 (491) | Lawrence Livermore National Laboratory * | USA | |
| 138 (493) | Williams College | USA | |
| 139 (496) | Washington University in Saint Louis * | USA | |
| 140 (499) | University of Southern California * | USA | |
| 141 (507) | University of Maryland, Baltimore County | USA | |
| 142 (518) | Clemson University | USA | |
| 143 (537) | Planetary Science Institute | USA | |
| 144 (542) | Marquette University | USA | |
| 145 (543) | University of Alberta | CAN | |
| 146 (545) | NASA Marshall Space Flight Center | USA | |
| 147 (552) | Villanova University | USA | |
| 148 (556) | The Catholic University of America | USA | |
| 149 (558) | Missouri University of Science & Technology | USA | |
| 150 (564) | Indiana University-Bloomington | USA | |
| 151 (565) | Northern Arizona University | USA | |
| 152 (568) | University of New Mexico * | USA | |
| 153 (570) | Dartmouth College * | USA | |
| 154 (576) | West Virginia University * | USA | |
| 155 (580) | Brookhaven National Laboratory * | USA | |
| 156 (586) | Colorado School of Mines | USA | |
| 157 (593) | Rice University | USA | |
| 158 (594) | Gemini Observatory Northern Operations Center | USA | |
| 159 (601) | George Washington University * | USA | |
| 160 (603) | Gemini Observatory | USA | |
| 161 (611) | University of Miami * | USA | |
| 162 (612) | University of Kentucky * | USA | |
| 163 (614) | Carleton College | USA | |
| 164 (619) | Texas Tech University | USA | |
| 165 (625) | Case Western Reserve University | USA | |
| 166 (630) | NASA Langley Research Center | USA | |
| 167 (632) | University of South Florida System * | USA | |
| 168 (634) | University of Houston | USA | |
| 169 (635) | Baylor University | USA | |
| 170 (636) | University of Western Ontario | CAN | |
| 171 (649) | University of Rochester * | USA | |
| 172 (653) | University of New Hampshire | USA | |
| 173 (671) | Florida State University * | USA | |
| 174 (672) | Oak Ridge National Laboratory | USA | |
| 175 (674) | Louisiana State University, Baton Rouge | USA | |
| 176 (676) | Glenn Research Center | USA | |
| 177 (680) | Boston College | USA | |
| 178 (684) | University at Texas Rio Grande Valley | USA | |
| 179 (689) | Rochester Institute of Technology * | USA | |
| 180 (692) | Lehigh University | USA | |
| 181 (700) | Texas State University, San Marcos | USA | |
| 182 (701) | University of Toledo * | USA | |
| 183 (708) | Montana State University, Bozeman | USA | |
| 184 (711) | California Polytechnic State University, San Luis Obispo | USA | |
| 185 (725) | McMaster University * | CAN | |
| 186 (727) | University of Arkansas, Fayetteville | USA | |
| 187 (731) | University of Wyoming | USA | |
| 188 (733) | Queen's University | CAN | |
| 189 (748) | Brigham Young University | USA | |
| 190 (749) | University of Manitoba | CAN | |
| 191 (751) | University of Missouri, Kansas City | USA | |
| 192 (753) | Georgia State University | USA | |
| 193 (754) | New Jersey Institute of Technology | USA | |
| 194 (757) | Wayne State University | USA | |
| 195 (760) | Simon Fraser University | CAN | |
| 196 (763) | Oregon State University | USA | |
| 197 (764) | San Diego State University | USA | |
| 198 (770) | Washington State University, Pullman * | USA | |
| 199 (772) | Georgetown University * | USA | |
| 200 (785) | University of Calgary * | CAN | |
| 201 (786) | The University of British Columbia | CAN | |
| 202 (788) | Syracuse University | USA | |
| 203 (791) | Lowell Observatory | USA | |
| 204 (792) | Natural Resources Canada | CAN | |
| 205 (798) | Dalhousie University * | CAN | |
| 206 (799) | Harvard Medical School | USA | |
| 207 (807) | Embry-Riddle Aeronautical University * | USA | |
| 208 (812) | University of Tennessee, Knoxville * | USA | |
| 209 (814) | University of Georgia | USA | |
| 210 (821) | University of Maryland, Baltimore | USA | |
| 211 (830) | Pomona College | USA | |
| 212 (834) | US Environmental Protection Agency | USA | |
| 213 (837) | Northeastern University, USA | USA | |
| 214 (839) | University of Texas, San Antonio | USA | |
| 215 (841) | Northrop Grumman Corp, USA | USA | |
| 216 (842) | Science System and Applications, Inc | USA | |
| 217 (844) | New Mexico State University | USA | |
| 218 (845) | Southern Methodist University | USA | |
| 219 (850) | Howard University * | USA | |
| 220 (856) | Utah State University * | USA | |
| 221 (861) | Aerospace Corp | USA | |
| 222 (862) | University of Ottawa | CAN | |
| 223 (865) | York University | CAN | |
| 224 (869) | University of Kansas * | USA | |
| 225 (872) | University of Saskatchewan | CAN | |
| 226 (873) | University of Hawaii, Hilo | USA | |
| 226 (873) | Haverford College in Pennsylvania | USA | |
| 228 (878) | Western Michigan University | USA | |
| 229 (909) | University of Alabama, Tuscaloosa | USA | |
| 230 (913) | Drexel University | USA | |
| 231 (917) | Hampton University | USA | |
| 232 (927) | University of Alaska, Fairbanks | USA | |
| 233 (931) | University of Wisconsin, Milwaukee | USA | |
| 234 (936) | Auburn University | USA | |
| 235 (938) | Saint Mary's University | CAN | |
| 236 (951) | Carleton University | CAN | |
| 237 (958) | Barnard College | USA | |
| 238 (960) | Michigan Technological University | USA | |
| 239 (961) | University of Michigan, Dearborn | USA | |
| 240 (965) | University of Texas, Dallas | USA | |
| 241 (973) | University of Louisville * | USA | |
| 242 (987) | University of Texas Medical Branch | USA | |
| 242 (987) | Princeton Plasma Physics Laboratory | USA | |
| 244 (994) | San Jose State University | USA | |
| 244 (994) | College of Charleston | USA | |
| 246 (996) | University of Texas, Arlington | USA | |
| 247 (1002) | Laval University | CAN | |
| 248 (1005) | New Mexico Institute of Mining and Technology * | USA | |
| 249 (1009) | Bard College | USA | |
| 250 (1015) | University of North Texas | USA | |
| 251 (1019) | Royal Military College of Canada | CAN | |
| 252 (1023) | State University of New York, Buffalo | USA | |
| 253 (1038) | University of Rhode Island | USA | |
| 254 (1051) | University of Cincinnati * | USA | |
| 255 (1052) | University of Alaska, Anchorage | USA | |
| 256 (1053) | University of Idaho | USA | |
| 257 (1054) | Old Dominion University | USA | |
| 258 (1060) | Amherst College | USA | |
| 259 (1063) | The University of Winnipeg | CAN | |
| 260 (1067) | State University of New York, Albany | USA | |
| 261 (1072) | California State University, Northridge | USA | |
| 262 (1084) | Mississippi State University | USA | |
| 263 (1103) | Fairfield University | USA | |
| 264 (1113) | Wellesley College | USA | |
| 265 (1115) | Florida Institute of Technology | USA | |
| 266 (1117) | East Tennessee State University | USA | |
| 267 (1141) | University of Massachusetts, Lowell | USA | |
| 268 (1143) | National Research Council of the National Academies | USA | |
| 269 (1149) | Naval Postgraduate School | USA | |
| 270 (1152) | United States Naval Academy | USA | |
| 271 (1169) | University of Massachusetts, Dartmouth | USA | |
| 272 (1175) | Raytheon Co, USA | USA | |
| 273 (1178) | Tennessee State University | USA | |
| 274 (1186) | U.S. Army * | USA | |
| 275 (1192) | University of Mississippi * | USA | |
| 276 (1211) | The College of New Jersey | USA | |
| 277 (1215) | Franklin & Marshall College | USA | |
| 278 (1224) | Swarthmore College | USA | |
| 279 (1225) | Universite du Quebec en Quebec * | CAN | |
| 280 (1229) | Rensselaer Polytechnic Institute | USA | |
| 281 (1258) | Memorial University of Newfoundland | CAN | |
| 282 (1302) | Southern University, Baton Rouge | USA | |
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