| 1 (1) | National Aeronautics and Space Administration * | USA |  |
| 2 (5) | California Institute of Technology * | USA |  |
| 3 (6) | Harvard University * | USA | |
| 4 (8) | Smithsonian Institution * | USA | |
| 5 (9) | Jet Propulsion Laboratory | USA | |
| 6 (10) | Harvard-Smithsonian Center for Astrophysics | USA | |
| 7 (14) | Massachusetts Institute of Technology * | USA | |
| 8 (15) | University of California, Berkeley * | USA | |
| 9 (19) | Johns Hopkins University * | USA | |
| 10 (20) | NASA Goddard Space Flight Center | USA | |
| 11 (22) | University of Arizona * | USA | |
| 12 (25) | Princeton University | USA | |
| 13 (26) | Pennsylvania State University * | USA | |
| 14 (27) | Stanford University * | USA | |
| 15 (30) | University of Colorado, Boulder * | USA | |
| 16 (34) | University of Washington * | USA | |
| 17 (36) | University of Michigan, Ann Arbor * | USA | |
| 18 (38) | University of Chicago * | USA | |
| 19 (39) | Space Telescope Science Institute | USA | |
| 20 (40) | Canadian Institute for Advance Research | CAN | |
| 21 (47) | Columbia University * | USA | |
| 22 (51) | University of California, Los Angeles * | USA | |
| 23 (52) | University of California, Santa Cruz | USA | |
| 24 (53) | Northwestern University, Evanston * | USA | |
| 25 (54) | Yale University * | USA | |
| 26 (56) | Ohio State University, Columbus * | USA | |
| 27 (59) | Cornell University * | USA | |
| 28 (60) | University of Texas, Austin | USA | |
| 29 (64) | Brandeis University | USA | |
| 30 (66) | University of Nevada-Reno | USA | |
| 31 (71) | Carleton College | USA | |
| 32 (72) | University of Toronto | CAN | |
| 33 (73) | Lawrence Berkeley National Laboratory * | USA | |
| 34 (74) | Carnegie Institution for Science * | USA |  |
| 35 (79) | University of California, Santa Barbara | USA | |
| 36 (82) | University of Pennsylvania * | USA | |
| 37 (83) | University of Wisconsin, Madison * | USA | |
| 38 (84) | University of Illinois at Urbana-Champaign * | USA | |
| 39 (87) | University of California, Irvine * | USA | |
| 40 (88) | Simons Foundation | USA | |
| 41 (89) | University of California, Davis * | USA | |
| 42 (93) | Amherst College | USA | |
| 43 (96) | Infrared Processing and Analysis Center | USA | |
| 44 (102) | Kavli Institute for Particle Astrophysics and Cosmology | USA | |
| 45 (104) | Arizona State University | USA | |
| 46 (105) | University of California, San Diego * | USA | |
| 47 (106) | NASA Ames Research Center | USA | |
| 48 (108) | University of Virginia * | USA | |
| 49 (110) | New York University * | USA | |
| 50 (115) | Purdue University | USA | |
| 51 (118) | University of Hawaii, Manoa * | USA | |
| 52 (121) | National Oceanic and Atmospheric Administration | USA | |
| 53 (122) | Institute for Advanced Study | USA | |
| 54 (126) | Carnegie Mellon University * | USA | |
| 55 (128) | National Research Council Canada * | CAN | |
| 56 (133) | University of Pittsburgh * | USA | |
| 57 (136) | SLAC National Accelerator Laboratory | USA | |
| 58 (137) | University of Maryland, College Park * | USA | |
| 59 (139) | National Radio Astronomy Observatory Charlottesville | USA | |
| 60 (145) | NASA Goddard Institute for Space Studies | USA | |
| 61 (146) | Fermi National Accelerator Laboratory | USA | |
| 62 (148) | Michigan State University | USA | |
| 63 (150) | University of California, Riverside | USA | |
| 64 (157) | Argonne National Laboratory | USA | |
| 65 (158) | Georgia Institute of Technology * | USA | |
| 66 (159) | Rutgers, The State University of New Jersey | USA | |
| 67 (162) | University of Utah * | USA | |
| 68 (165) | University of Florida * | USA | |
| 69 (166) | Southwest Research Institute | USA | |
| 70 (168) | Texas A&M University, College Station * | USA | |
| 71 (169) | United States Geological Survey | USA | |
| 72 (172) | University of Victoria | CAN | |
| 73 (176) | National Institute of Standards and Technology * | USA | |
| 74 (178) | University of Kentucky * | USA | |
| 75 (179) | McGill University | CAN | |
| 76 (180) | Western Washington University | USA | |
| 77 (181) | The University of British Columbia | CAN | |
| 78 (182) | Universities Space Research Association | USA | |
| 79 (187) | Los Alamos National Laboratory * | USA | |
| 80 (189) | University of Notre Dame | USA | |
| 81 (198) | Las Cumbres Observatory Global Telescope Network | USA | |
| 81 (198) | University of North Carolina, Chapel Hill * | USA | |
| 83 (206) | US National Science Foundation * | USA | |
| 84 (209) | University of Massachusetts, Amherst | USA | |
| 85 (210) | University of Minnesota, Twin Cities * | USA | |
| 86 (214) | Duke University * | USA | |
| 87 (215) | American University | USA | |
| 88 (216) | Tufts University | USA | |
| 88 (216) | National Optical Astronomy Observatory | USA | |
| 90 (219) | University of Maryland, Baltimore | USA | |
| 91 (222) | Iowa State University | USA | |
| 92 (225) | Marquette University | USA | |
| 92 (225) | University of Alberta | CAN | |
| 94 (226) | Universite de Montreal | CAN | |
| 95 (227) | Vanderbilt University * | USA | |
| 96 (228) | North Carolina State University | USA | |
| 97 (230) | University of Guelph | CAN | |
| 98 (237) | American Museum of Natural History | USA | |
| 99 (241) | National Radio Astronomy Observatory, Socorro | USA | |
| 100 (242) | Brookhaven National Laboratory * | USA | |
| 101 (244) | University of Southern California * | USA | |
| 101 (244) | George Mason University | USA | |
| 103 (245) | Case Western Reserve University | USA | |
| 104 (247) | Boston University * | USA | |
| 105 (251) | Rice University | USA | |
| 105 (251) | University of the Pacific | USA | |
| 105 (251) | SETI Institute | USA | |
| 108 (254) | Colorado State University, Fort Collins * | USA | |
| 109 (257) | University of Nevada-Las Vegas | USA | |
| 109 (257) | American Institute of Aeronautics and Astronautics | USA | |
| 111 (261) | University of Oklahoma * | USA | |
| 112 (263) | Clemson University | USA | |
| 113 (266) | South Dakota School of Mines and Technology | USA | |
| 113 (266) | Virginia Polytechnic Institute and State University | USA | |
| 115 (268) | University of Waterloo | CAN | |
| 116 (270) | U.S. Air Force | USA | |
| 117 (271) | Washington University in Saint Louis * | USA | |
| 118 (272) | Perimeter Institute for Theoretical Physics | CAN | |
| 119 (275) | Brown University | USA | |
| 120 (277) | McMaster University | CAN | |
| 121 (279) | University of Oregon | USA | |
| 122 (280) | University of Wisconsin, Milwaukee | USA | |
| 123 (281) | College of William and Mary | USA | |
| 124 (285) | Ohio University | USA | |
| 125 (287) | Rochester Institute of Technology * | USA | |
| 125 (287) | City University of New York * | USA | |
| 127 (288) | University of Delaware | USA | |
| 128 (293) | Indiana University-Bloomington | USA | |
| 129 (300) | Environment Canada | CAN | |
| 129 (300) | Wesleyan University, Middletown | USA | |
| 131 (303) | San Diego State University | USA | |
| 131 (303) | Herzberg Institute of Astrophysics | CAN | |
| 131 (303) | University of Rochester * | USA | |
| 134 (304) | Villanova University | USA | |
| 135 (308) | Gemini Observatory | USA | |
| 136 (311) | Smithsonian National Museum of Natural History | USA | |
| 137 (312) | University of Iowa * | USA | |
| 138 (316) | NASA Johnson Space Center | USA | |
| 139 (317) | Lawrence Livermore National Laboratory * | USA | |
| 139 (317) | New Mexico State University | USA | |
| 139 (317) | George Washington University * | USA | |
| 142 (318) | Subaru Telescope | USA | |
| 142 (318) | U.S. Army * | USA | |
| 144 (319) | University of Missouri, Kansas City | USA | |
| 145 (321) | University of Alabama, Huntsville | USA | |
| 146 (322) | Kansas State University | USA | |
| 147 (325) | Gemini Observatory Northern Operations Center | USA | |
| 148 (326) | Oregon State University | USA | |
| 149 (328) | State University of New York, Stony Brook * | USA | |
| 150 (329) | University of Alabama, Tuscaloosa | USA | |
| 151 (333) | Florida State University * | USA | |
| 152 (335) | Florida Institute of Technology | USA | |
| 152 (335) | Oak Ridge National Laboratory | USA | |
| 154 (336) | Montana State University, Bozeman | USA | |
| 155 (340) | University of Western Ontario | CAN | |
| 156 (341) | University Corporation for Atmospheric Research | USA | |
| 157 (342) | Space Science Institute | USA | |
| 158 (344) | US Naval Research Laboratory | USA | |
| 159 (346) | University of Toledo * | USA | |
| 160 (347) | University of New Mexico * | USA | |
| 161 (348) | Joint Institute for Laboratory Astrophysics | USA | |
| 162 (349) | Wayne State University | USA | |
| 163 (350) | University of Calgary | CAN | |
| 164 (351) | University of South Carolina * | USA | |
| 165 (352) | West Virginia University * | USA | |
| 166 (353) | Boeing Co, USA | USA |  |
| 167 (354) | University of Maryland, Baltimore County | USA | |
| 168 (355) | Washington State University, Pullman * | USA | |
| 169 (356) | Dartmouth College * | USA | |
| 169 (356) | University of New Hampshire | USA | |
| 171 (357) | Texas Tech University | USA | |
| 172 (359) | NASA Marshall Space Flight Center | USA | |
| 172 (359) | Bucknell University | USA | |
| 174 (362) | University of Missouri, Columbia * | USA | |
| 175 (363) | University of Louisville * | USA | |
| 176 (364) | Georgia State University | USA | |
| 177 (365) | National Center for Atmospheric Research | USA | |
| 177 (365) | California State University, Los Angeles | USA | |
| 179 (369) | Lockheed Martin Corp * | USA | |
| 180 (372) | Northern Arizona University | USA | |
| 181 (373) | City University of New York Graduate Center | USA | |
| 182 (376) | Bay Area Environmental Research Institute | USA | |
| 183 (377) | University of Tampa | USA | |
| 184 (380) | The Catholic University of America | USA | |
| 185 (392) | Glenn Research Center | USA | |
| 186 (397) | Royal Military College of Canada | CAN | |
| 187 (401) | Planetary Science Institute | USA | |
| 188 (403) | University of South Florida System * | USA | |
| 189 (404) | University of Wyoming | USA | |
| 190 (405) | University of Georgia | USA | |
| 191 (406) | University of Texas, San Antonio | USA | |
| 192 (408) | University of South Florida | USA | |
| 193 (411) | University of Kansas * | USA | |
| 194 (413) | University of Manitoba | CAN | |
| 195 (414) | University of Connecticut, Storrs * | USA | |
| 195 (414) | Queen's University | CAN | |
| 197 (416) | Middlebury College | USA | |
| 198 (418) | York University | CAN | |
| 199 (420) | Louisiana State University, Baton Rouge | USA | |
| 200 (421) | Northrop Grumman Corp, USA | USA | |
| 201 (422) | University of Massachusetts, Lowell | USA | |
| 202 (423) | Woods Hole Oceanographic Institution | USA | |
| 202 (423) | Simon Fraser University | CAN | |
| 202 (423) | University of Texas, Arlington | USA | |
| 205 (426) | University of Cincinnati * | USA | |
| 205 (426) | University of Miami * | USA | |
| 205 (426) | College of Charleston | USA | |
| 208 (428) | Lowell Observatory | USA | |
| 209 (429) | Natural Resources Canada | CAN | |
| 210 (433) | Texas Christian University | USA | |
| 211 (434) | Missouri University of Science & Technology | USA | |
| 212 (438) | Haverford College in Pennsylvania | USA | |
| 213 (441) | NASA Langley Research Center | USA | |
| 214 (444) | Lehigh University | USA | |
| 214 (444) | Dalhousie University | CAN | |
| 216 (446) | University of Tennessee, Knoxville * | USA | |
| 217 (450) | New Jersey Institute of Technology | USA | |
| 218 (452) | Syracuse University | USA | |
| 219 (460) | Drexel University | USA | |
| 219 (460) | Western Michigan University | USA | |
| 221 (463) | Williams College | USA | |
| 222 (464) | State University of New York, Buffalo | USA | |
| 223 (466) | Boston College | USA | |
| 224 (467) | Saint Mary's University | CAN | |
| 225 (471) | Carleton University | CAN | |
| 226 (478) | University of Central Florida | USA | |
| 227 (480) | University of Hawaii, Hilo | USA | |
| 228 (482) | California State University, Northridge | USA | |
| 229 (486) | San Francisco State University | USA | |
| 230 (488) | Brigham Young University | USA | |
| 231 (493) | Siena College | USA | |
| 231 (493) | Swarthmore College | USA | |
| 231 (493) | University of New Brunswick | CAN | |
| 234 (497) | National Institute of Aerospace | USA | |
| 235 (503) | Utah State University * | USA | |
| 236 (504) | Wellesley College | USA | |
| 237 (508) | Franklin & Marshall College | USA | |
| 238 (510) | Lafayette College | USA | |
| 239 (511) | Portland State University | USA | |
| 240 (515) | Pacific Northwest National Laboratory | USA | |
| 240 (515) | Colorado School of Mines | USA | |
| 242 (518) | University of Arkansas, Fayetteville | USA | |
| 243 (519) | The College of New Jersey | USA | |
| 244 (520) | California Polytechnic State University, San Luis Obispo | USA | |
| 245 (527) | University of Colorado, Denver * | USA | |
| 245 (527) | New Mexico Institute of Mining and Technology * | USA | |
| 245 (527) | University of Houston | USA | |
| 248 (528) | Old Dominion University | USA | |
| 248 (528) | Embry-Riddle Aeronautical University * | USA | |
| 250 (533) | University of Colorado, Colorado Springs | USA | |
| 251 (534) | University of Colorado, Anschutz Medical Campus | USA | |
| 251 (534) | Rensselaer Polytechnic Institute | USA | |
| 253 (535) | University of Alaska, Fairbanks | USA | |
| 254 (538) | San Jose State University | USA | |
| 255 (540) | University at Texas Rio Grande Valley | USA | |
| 255 (540) | East Tennessee State University | USA | |
| 257 (542) | Sandia National Laboratories, New Mexico | USA | |
| 257 (542) | Auburn University | USA | |
| 259 (545) | University of Rhode Island | USA | |
| 260 (547) | University of Texas, Dallas | USA | |
| 261 (554) | University of Mississippi * | USA | |
| 261 (554) | Appalachian State University | USA | |
| 261 (554) | University of Idaho | USA | |
| 261 (554) | United States Naval Academy | USA | |
| 265 (561) | Aerospace Corp | USA | |
| 266 (569) | Michigan Technological University | USA | |
| 267 (571) | NASA Stennis Space Center | USA | |
| 268 (573) | Missouri State University | USA | |
| 269 (577) | Mississippi State University | USA | |
| 270 (580) | University of Maine, Orono | USA | |
| 271 (581) | Raytheon Co, USA | USA | |
| 272 (582) | Science System and Applications, Inc | USA | |
| 273 (589) | Wheaton College | USA | |
| 274 (593) | University of Alaska, Anchorage | USA | |
| 275 (598) | Hobart and William Smith Colleges | USA | |
| 276 (600) | University of Saskatchewan | CAN | |
| 277 (604) | Bedford Institute of Oceanography | CAN | |
| 278 (608) | SRI International | USA | |
| 279 (614) | University of Massachusetts, Dartmouth | USA | |
| 280 (615) | University of Southern Mississippi | USA | |
| 281 (623) | Oberlin College | USA | |
| 282 (625) | Tennessee State University | USA | |
| 283 (630) | Southern University, Baton Rouge | USA | |
| 284 (635) | Universite du Quebec en Quebec * | CAN | |
| 285 (641) | Memorial University of Newfoundland | CAN | |
| 286 (645) | Ryerson University | CAN | |
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