| 1 (2) | National Aeronautics and Space Administration * | USA |  |
| 2 (5) | California Institute of Technology * | USA |  |
| 3 (7) | Harvard University * | USA | |
| 4 (8) | NASA Goddard Space Flight Center | USA | |
| 5 (9) | Smithsonian Institution * | USA | |
| 6 (10) | Jet Propulsion Laboratory | USA | |
| 7 (12) | Harvard-Smithsonian Center for Astrophysics | USA | |
| 8 (15) | Massachusetts Institute of Technology * | USA | |
| 9 (18) | University of California, Berkeley * | USA | |
| 10 (19) | University of Arizona * | USA | |
| 11 (22) | Johns Hopkins University * | USA | |
| 12 (30) | Princeton University | USA | |
| 13 (32) | University of Colorado, Boulder * | USA | |
| 14 (33) | University of Michigan, Ann Arbor * | USA | |
| 15 (35) | Stanford University * | USA | |
| 16 (36) | NASA Ames Research Center | USA | |
| 17 (37) | University of Washington * | USA | |
| 18 (42) | Columbia University * | USA | |
| 19 (43) | Space Telescope Science Institute | USA | |
| 20 (44) | Cornell University * | USA | |
| 21 (46) | University of California, Los Angeles * | USA | |
| 22 (48) | University of Chicago * | USA | |
| 23 (53) | Pennsylvania State University * | USA | |
| 24 (55) | University of Texas, Austin | USA | |
| 25 (58) | University of California, Santa Cruz | USA | |
| 26 (61) | Northwestern University, Evanston * | USA | |
| 27 (62) | Yale University * | USA | |
| 28 (64) | Kenyon College | USA | |
| 29 (65) | University of Toronto | CAN | |
| 30 (68) | Ohio State University, Columbus * | USA | |
| 31 (70) | University of California, Irvine * | USA | |
| 32 (74) | Purdue University | USA | |
| 33 (82) | National Oceanic and Atmospheric Administration | USA | |
| 34 (83) | Arizona State University * | USA | |
| 35 (84) | Carnegie Institution for Science * | USA |  |
| 36 (88) | University of Wisconsin, Madison * | USA | |
| 37 (92) | Canadian Institute for Advanced Research | CAN | |
| 38 (93) | NASA Marshall Space Flight Center | USA | |
| 39 (94) | NASA Johnson Space Center | USA | |
| 40 (95) | Glenn Research Center | USA | |
| 41 (99) | University of Illinois at Urbana-Champaign * | USA | |
| 42 (105) | University of Hawaii, Manoa * | USA | |
| 43 (106) | University of California, San Diego * | USA | |
| 44 (112) | Simons Foundation | USA | |
| 45 (115) | University of Maryland, College Park * | USA | |
| 46 (118) | University of California, Santa Barbara | USA | |
| 47 (119) | Lawrence Berkeley National Laboratory * | USA | |
| 48 (121) | NASA Langley Research Center | USA | |
| 49 (123) | University of Pennsylvania * | USA | |
| 50 (124) | University of Virginia * | USA | |
| 51 (133) | Los Alamos National Laboratory * | USA | |
| 52 (136) | Texas A&M University, College Station * | USA | |
| 53 (138) | University of California, Davis * | USA | |
| 54 (142) | Rutgers, The State University of New Jersey | USA | |
| 55 (143) | Infrared Processing and Analysis Center | USA | |
| 56 (146) | Kavli Institute for Particle Astrophysics and Cosmology | USA | |
| 57 (151) | University of Southern California * | USA | |
| 58 (154) | New York University * | USA | |
| 59 (160) | University of Florida * | USA | |
| 60 (163) | University of Pittsburgh * | USA | |
| 61 (168) | University of Maryland, Baltimore | USA | |
| 62 (174) | United States Geological Survey | USA | |
| 63 (178) | Carnegie Mellon University * | USA | |
| 64 (181) | National Research Council Canada * | CAN | |
| 65 (182) | Southwest Research Institute | USA | |
| 66 (184) | Brandeis University | USA | |
| 67 (186) | National Radio Astronomy Observatory Charlottesville | USA | |
| 68 (191) | University of California, Riverside | USA | |
| 69 (193) | University of Utah * | USA | |
| 70 (195) | Duke University * | USA | |
| 71 (196) | Institute for Advanced Study | USA | |
| 72 (201) | Colorado State University, Fort Collins * | USA | |
| 73 (202) | Michigan State University | USA | |
| 74 (205) | Brown University | USA | |
| 75 (211) | Carleton College | USA | |
| 76 (212) | Georgia Institute of Technology * | USA | |
| 77 (213) | The University of British Columbia | CAN | |
| 78 (214) | University of Victoria | CAN | |
| 79 (217) | Universities Space Research Association | USA | |
| 80 (219) | McGill University | CAN | |
| 81 (220) | Boston University * | USA | |
| 82 (228) | NASA Goddard Institute for Space Studies | USA | |
| 83 (239) | Northeastern University, USA | USA | |
| 84 (240) | U.S. Air Force | USA | |
| 85 (243) | University of North Carolina, Chapel Hill * | USA | |
| 86 (245) | SLAC National Accelerator Laboratory | USA | |
| 87 (248) | National Institute of Standards and Technology * | USA | |
| 88 (259) | Southern Methodist University | USA | |
| 89 (260) | US National Science Foundation * | USA | |
| 90 (262) | George Mason University | USA | |
| 91 (263) | Argonne National Laboratory | USA | |
| 92 (265) | Fermi National Accelerator Laboratory | USA | |
| 93 (267) | University of Nevada-Reno | USA | |
| 94 (271) | University of Notre Dame | USA | |
| 95 (273) | Virginia Polytechnic Institute and State University | USA | |
| 96 (278) | University of Minnesota, Twin Cities * | USA | |
| 97 (281) | Vanderbilt University * | USA | |
| 98 (285) | National Center for Atmospheric Research | USA | |
| 99 (292) | University of Oklahoma * | USA | |
| 100 (300) | University of Alberta | CAN | |
| 101 (301) | Portland State University | USA | |
| 102 (303) | University of Massachusetts, Amherst | USA | |
| 103 (309) | SETI Institute | USA | |
| 104 (310) | American Museum of Natural History | USA | |
| 105 (316) | Iowa State University | USA | |
| 106 (317) | Woods Hole Oceanographic Institution | USA | |
| 107 (318) | University of Iowa * | USA | |
| 108 (334) | Universite de Montreal | CAN | |
| 109 (335) | Western Washington University | USA | |
| 110 (338) | United States Department of Agriculture | USA | |
| 111 (341) | Lafayette College | USA | |
| 112 (344) | Washington University in Saint Louis * | USA | |
| 113 (349) | University of Calgary | CAN | |
| 114 (350) | University of Kentucky * | USA | |
| 115 (358) | US Naval Research Laboratory | USA | |
| 116 (364) | Oregon State University | USA | |
| 117 (366) | North Carolina State University | USA | |
| 118 (367) | Brookhaven National Laboratory * | USA | |
| 119 (370) | Rochester Institute of Technology * | USA | |
| 120 (373) | National Radio Astronomy Observatory, Socorro | USA | |
| 121 (379) | University of Delaware | USA | |
| 122 (385) | Lawrence Livermore National Laboratory * | USA | |
| 123 (389) | University of Central Florida | USA | |
| 124 (392) | Planetary Science Institute | USA | |
| 125 (397) | Rice University | USA | |
| 126 (399) | University of Waterloo | CAN | |
| 127 (404) | University of Alabama, Huntsville | USA | |
| 128 (405) | Clemson University | USA | |
| 129 (414) | Tufts University | USA | |
| 130 (415) | University of Rochester * | USA | |
| 131 (421) | University of Maryland, Baltimore County | USA | |
| 132 (423) | University Corporation for Atmospheric Research | USA | |
| 133 (432) | University of Oregon | USA | |
| 134 (434) | Dartmouth College * | USA | |
| 135 (436) | Environment Canada | CAN | |
| 135 (436) | Indiana University-Bloomington | USA | |
| 137 (438) | University of Alabama, Tuscaloosa | USA | |
| 138 (439) | The Catholic University of America | USA | |
| 139 (440) | University of Nevada-Las Vegas | USA | |
| 140 (443) | City University of New York * | USA | |
| 141 (444) | State University of New York, Stony Brook * | USA | |
| 142 (452) | Trinity University | USA | |
| 143 (455) | University of Missouri, Columbia * | USA | |
| 144 (457) | West Virginia University * | USA | |
| 145 (459) | Ohio University | USA | |
| 146 (463) | Kansas State University | USA | |
| 147 (470) | Lockheed Martin Corp * | USA |  |
| 148 (476) | Case Western Reserve University | USA | |
| 149 (480) | University of Montana, Missoula | USA | |
| 150 (481) | Space Science Institute | USA | |
| 151 (484) | University of New Hampshire | USA | |
| 151 (484) | College of William and Mary | USA | |
| 153 (486) | Ormat Technologies, United States | USA | |
| 154 (489) | Florida State University * | USA | |
| 155 (493) | U.S. Army * | USA | |
| 156 (505) | Oak Ridge National Laboratory | USA | |
| 157 (507) | Wesleyan University, Middletown | USA | |
| 158 (508) | George Washington University * | USA | |
| 159 (524) | University of Arkansas, Fayetteville | USA | |
| 160 (525) | University of South Carolina * | USA | |
| 161 (530) | Washington State University, Pullman * | USA | |
| 162 (531) | York University | CAN | |
| 163 (534) | San Diego State University | USA | |
| 164 (539) | Subaru Telescope | USA | |
| 165 (541) | University of New Mexico * | USA | |
| 166 (542) | McMaster University | CAN | |
| 167 (543) | University of San Francisco | USA | |
| 168 (551) | University of Western Ontario | CAN | |
| 169 (552) | University of Connecticut, Storrs * | USA | |
| 170 (553) | University of South Florida System * | USA | |
| 171 (560) | Dalhousie University * | CAN | |
| 172 (562) | University of Texas, San Antonio | USA | |
| 173 (564) | University of Louisville * | USA | |
| 174 (571) | Texas Tech University | USA | |
| 175 (574) | University of Georgia | USA | |
| 176 (578) | Louisiana State University, Baton Rouge | USA | |
| 177 (583) | American University | USA | |
| 178 (586) | Georgia State University | USA | |
| 179 (588) | Montana State University, Bozeman | USA | |
| 180 (589) | University of Houston | USA | |
| 181 (593) | Perimeter Institute for Theoretical Physics | CAN | |
| 182 (599) | University of South Florida | USA | |
| 183 (600) | Colorado School of Mines | USA | |
| 184 (604) | Northern Arizona University | USA | |
| 185 (609) | New Mexico State University | USA | |
| 186 (611) | Pacific Northwest National Laboratory | USA | |
| 187 (612) | Missouri University of Science & Technology | USA | |
| 188 (624) | University of Kansas * | USA | |
| 189 (625) | University of the Pacific | USA | |
| 190 (632) | University of Manitoba | CAN | |
| 191 (647) | University of Wyoming | USA | |
| 192 (649) | Raytheon Co, USA | USA | |
| 193 (663) | Queen's University | CAN | |
| 194 (670) | New Jersey Institute of Technology | USA | |
| 195 (671) | City University of New York Graduate Center | USA | |
| 196 (676) | University of Toledo * | USA | |
| 197 (690) | Natural Resources Canada | CAN | |
| 198 (691) | Ryerson University | CAN | |
| 199 (695) | University of Texas, Arlington | USA | |
| 200 (698) | Wayne State University | USA | |
| 201 (703) | Sandia National Laboratories, New Mexico | USA | |
| 202 (714) | Lowell Observatory | USA | |
| 203 (717) | Drexel University | USA | |
| 204 (719) | Joint Institute for Laboratory Astrophysics | USA | |
| 205 (722) | Florida Institute of Technology | USA | |
| 206 (728) | Villanova University | USA | |
| 207 (730) | Laval University | CAN | |
| 208 (731) | Howard University * | USA | |
| 209 (738) | Princeton Plasma Physics Laboratory | USA | |
| 210 (744) | Marquette University | USA | |
| 211 (750) | University of Wisconsin, Milwaukee | USA | |
| 212 (754) | Lehigh University | USA | |
| 213 (755) | University of Miami * | USA | |
| 214 (764) | University at Texas Rio Grande Valley | USA | |
| 215 (767) | Brigham Young University | USA | |
| 216 (774) | Aerospace Corp | USA | |
| 217 (777) | University of Alaska, Fairbanks | USA | |
| 218 (781) | San Jose State University | USA | |
| 219 (791) | Western Michigan University | USA | |
| 220 (793) | University of Cincinnati * | USA | |
| 221 (795) | Boston College | USA | |
| 222 (834) | Embry-Riddle Aeronautical University * | USA | |
| 223 (837) | Auburn University | USA | |
| 224 (838) | University of Tennessee, Knoxville * | USA | |
| 225 (839) | Syracuse University | USA | |
| 226 (841) | Smithsonian National Museum of Natural History | USA | |
| 227 (845) | Utah State University * | USA | |
| 228 (862) | University of North Texas | USA | |
| 229 (869) | Haverford College in Pennsylvania | USA | |
| 230 (876) | University of Texas, Dallas | USA | |
| 231 (882) | Science System and Applications, Inc | USA | |
| 232 (883) | Michigan Technological University | USA | |
| 233 (884) | University of Tampa | USA | |
| 233 (884) | Rensselaer Polytechnic Institute | USA | |
| 235 (891) | Old Dominion University | USA | |
| 236 (893) | Saint Mary's University | CAN | |
| 237 (895) | University of Rhode Island | USA | |
| 238 (909) | Boise State University | USA | |
| 239 (913) | Baylor University | USA | |
| 240 (919) | University of New Brunswick | CAN | |
| 241 (923) | Swarthmore College | USA | |
| 242 (932) | California Polytechnic State University, San Luis Obispo | USA | |
| 243 (934) | New Mexico Institute of Mining and Technology * | USA | |
| 244 (946) | Carleton University | CAN | |
| 245 (949) | Royal Military College of Canada | CAN | |
| 246 (955) | Hampton University | USA | |
| 247 (958) | California State University, Northridge | USA | |
| 248 (970) | California State Polytechnic University, Pomona | USA | |
| 249 (974) | Florida Atlantic University | USA | |
| 250 (975) | California State University, Los Angeles | USA | |
| 251 (978) | Naval Postgraduate School | USA | |
| 252 (986) | City University of New York, Hunter College | USA | |
| 253 (987) | Northrop Grumman Corp, USA | USA | |
| 254 (997) | University of Idaho | USA | |
| 255 (1001) | University of Hawaii, Hilo | USA | |
| 256 (1013) | State University of New York, Albany | USA | |
| 257 (1016) | University of Massachusetts, Lowell | USA | |
| 258 (1031) | Franklin & Marshall College | USA | |
| 259 (1032) | The University of Winnipeg | CAN | |
| 260 (1036) | University of Colorado, Denver * | USA | |
| 261 (1041) | University of Mississippi * | USA | |
| 262 (1050) | University of Saskatchewan | CAN | |
| 263 (1054) | Oberlin College | USA | |
| 264 (1068) | California State University, Fullerton | USA | |
| 265 (1070) | University of Colorado, Anschutz Medical Campus | USA | |
| 266 (1071) | University of Colorado, Colorado Springs | USA | |
| 267 (1080) | Montclair State University | USA | |
| 268 (1092) | University of Alaska, Anchorage | USA | |
| 269 (1108) | University of Regina | CAN | |
| 270 (1109) | United States Naval Academy | USA | |
| 271 (1117) | SRI International | USA | |
| 272 (1121) | Tennessee State University | USA | |
| 273 (1165) | Ithaca College | USA | |
| 274 (1182) | Universite du Quebec en Quebec * | CAN | |
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