| 1 (10) | National Aeronautics and Space Administration * | USA |  |
| 2 (18) | Harvard University * | USA |  |
| 3 (20) | University of Texas, Austin | USA | |
| 4 (21) | Boston University * | USA | |
| 5 (24) | United States Department of Agriculture | USA | |
| 6 (25) | NASA Goddard Space Flight Center | USA | |
| 7 (26) | Pennsylvania State University * | USA | |
| 8 (28) | United States Geological Survey | USA | |
| 9 (29) | Stanford University * | USA | |
| 10 (32) | Texas A&M University, College Station * | USA | |
| 11 (34) | Massachusetts Institute of Technology * | USA | |
| 12 (38) | Jet Propulsion Laboratory | USA | |
| 13 (39) | University of Illinois at Urbana-Champaign * | USA | |
| 14 (41) | National Oceanic and Atmospheric Administration | USA | |
| 15 (46) | University of Washington * | USA | |
| 16 (53) | University of Arizona * | USA | |
| 17 (57) | Columbia University * | USA | |
| 18 (64) | University of California, Berkeley * | USA | |
| 19 (70) | University of Maryland, College Park * | USA | |
| 20 (71) | California Institute of Technology * | USA | |
| 21 (73) | Texas Tech University | USA | |
| 22 (74) | Yale University * | USA | |
| 23 (80) | State University of New York, Buffalo | USA | |
| 24 (91) | University of Iowa * | USA | |
| 25 (96) | University of Maryland, Baltimore | USA | |
| 26 (101) | Northwestern University, Evanston * | USA | |
| 27 (102) | University of North Dakota | USA | |
| 28 (104) | University of Virginia * | USA | |
| 29 (105) | Arizona State University | USA | |
| 30 (111) | University of Wisconsin, Madison * | USA | |
| 31 (116) | Rice University | USA | |
| 32 (122) | Cornell University * | USA | |
| 33 (124) | Universities Space Research Association | USA |  |
| 34 (125) | University of South Florida System * | USA | |
| 34 (125) | Oregon State University | USA | |
| 36 (127) | University of South Florida-Saint Petersburg | USA | |
| 37 (130) | University of Colorado, Boulder * | USA | |
| 38 (133) | Michigan State University | USA | |
| 39 (134) | University of Texas, Arlington | USA | |
| 40 (141) | Johns Hopkins University * | USA | |
| 41 (146) | University of Connecticut, Storrs * | USA | |
| 42 (151) | Field Museum Natural History | USA | |
| 43 (152) | Purdue University | USA | |
| 44 (153) | University of California, Los Angeles * | USA | |
| 45 (155) | Princeton University | USA | |
| 45 (155) | Ohio State University, Columbus * | USA | |
| 47 (156) | Schlumberger, United States | USA |  |
| 48 (157) | University of Michigan, Ann Arbor * | USA | |
| 49 (158) | University of Oklahoma * | USA | |
| 50 (159) | Texas A&M University, Corpus Christi | USA | |
| 51 (164) | Northern Arizona University | USA | |
| 52 (168) | University of California, Santa Cruz | USA | |
| 53 (173) | Brown University | USA | |
| 54 (181) | University of California, San Diego * | USA | |
| 55 (189) | University of Wyoming | USA | |
| 56 (190) | University of North Carolina, Chapel Hill * | USA | |
| 57 (192) | Duke University * | USA | |
| 58 (193) | University of California, Santa Barbara | USA | |
| 59 (196) | University of Florida * | USA | |
| 60 (197) | University of Massachusetts, Amherst | USA | |
| 61 (199) | University of Georgia | USA | |
| 62 (213) | Shell, USA | USA | |
| 63 (215) | University of Miami * | USA | |
| 64 (217) | Washington State University, Pullman * | USA | |
| 64 (217) | University of Nebraska, Lincoln | USA | |
| 66 (218) | University of Minnesota, Twin Cities * | USA | |
| 67 (220) | State University of New York, Stony Brook * | USA | |
| 68 (227) | Woods Hole Oceanographic Institution | USA | |
| 69 (231) | University of Southern California * | USA | |
| 70 (233) | Virginia Polytechnic Institute and State University | USA | |
| 71 (236) | University of Chicago * | USA | |
| 71 (236) | Iowa State University | USA | |
| 73 (240) | University of Pittsburgh * | USA | |
| 74 (243) | University of Louisiana, Lafayette | USA | |
| 75 (245) | Colorado State University, Fort Collins * | USA | |
| 76 (247) | Colorado School of Mines | USA | |
| 76 (247) | Smithsonian Institution * | USA | |
| 78 (251) | University of California, Davis * | USA | |
| 79 (252) | University of Maine, Orono | USA | |
| 80 (265) | University of Cincinnati * | USA | |
| 81 (266) | University of Texas, Dallas | USA | |
| 82 (269) | Rutgers, The State University of New Jersey | USA | |
| 82 (269) | Louisiana State University, Baton Rouge | USA | |
| 84 (270) | Chevron Corp | USA | |
| 85 (273) | University of Kentucky * | USA | |
| 86 (278) | University of New Mexico * | USA | |
| 87 (281) | Georgia Institute of Technology * | USA | |
| 88 (288) | Washington University in Saint Louis * | USA | |
| 89 (304) | University of Delaware | USA | |
| 90 (312) | University of Utah * | USA | |
| 91 (314) | Indiana University-Bloomington | USA | |
| 92 (315) | North Carolina State University | USA | |
| 93 (317) | Lawrence Berkeley National Laboratory * | USA | |
| 94 (318) | University of Alaska, Fairbanks | USA | |
| 95 (319) | New Mexico Institute of Mining and Technology * | USA | |
| 96 (329) | University of Arkansas, Fayetteville | USA | |
| 97 (330) | Los Alamos National Laboratory * | USA | |
| 98 (336) | Carnegie Institution for Science * | USA | |
| 99 (339) | Utah State University * | USA | |
| 100 (351) | University of Kansas * | USA | |
| 101 (353) | San Diego State University | USA | |
| 102 (354) | Lawrence Livermore National Laboratory * | USA | |
| 103 (372) | University of New Hampshire | USA | |
| 104 (373) | University of Nevada-Reno | USA | |
| 105 (376) | University of California, Riverside | USA | |
| 106 (378) | Michigan Technological University | USA | |
| 106 (378) | City University of New York * | USA | |
| 108 (381) | Dartmouth College * | USA | |
| 109 (397) | University of Oregon | USA | |
| 110 (398) | Florida State University * | USA | |
| 111 (400) | Boise State University | USA | |
| 112 (407) | University of Nevada-Las Vegas | USA | |
| 113 (411) | University of Tennessee, Knoxville * | USA | |
| 114 (417) | University of Houston | USA | |
| 115 (421) | University of Hawaii, Manoa * | USA | |
| 116 (438) | Montana State University, Bozeman | USA | |
| 117 (447) | University of Alaska, Anchorage | USA | |
| 117 (447) | Florida International University | USA | |
| 119 (455) | Smithsonian National Museum of Natural History | USA | |
| 120 (458) | US Naval Research Laboratory | USA | |
| 121 (461) | Syracuse University | USA | |
| 122 (473) | University of South Carolina * | USA | |
| 123 (478) | West Virginia University * | USA | |
| 124 (482) | University of Texas, El Paso | USA | |
| 125 (508) | University of Alabama, Tuscaloosa | USA | |
| 126 (516) | Pacific Northwest National Laboratory | USA | |
| 127 (522) | Miami University of Ohio | USA | |
| 128 (529) | Baylor University | USA | |
| 129 (556) | Missouri University of Science & Technology | USA | |
| 130 (560) | Oklahoma State University, Stillwater | USA | |
| 131 (566) | Auburn University | USA | |
| 132 (571) | Western Washington University | USA | |
| 133 (605) | Trinity University | USA | |
| 134 (670) | University of Oklahoma Health Sciences Center | USA | |
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