| 1 (16) | Science System and Applications, Inc | USA |  |
| 2 (17) | National Aeronautics and Space Administration * | USA |  |
| 3 (22) | United States Geological Survey | USA | |
| 4 (23) | University of Maryland, College Park * | USA |  |
| 5 (26) | United States Department of Agriculture | USA | |
| 6 (28) | NASA Goddard Space Flight Center | USA | |
| 7 (29) | University of Texas, Austin | USA | |
| 8 (30) | National Oceanic and Atmospheric Administration | USA | |
| 9 (33) | Jet Propulsion Laboratory | USA | |
| 10 (47) | Stanford University * | USA | |
| 11 (54) | California Institute of Technology * | USA | |
| 12 (58) | Cornell University * | USA | |
| 13 (63) | University of Illinois at Urbana-Champaign * | USA | |
| 14 (65) | Duke University * | USA | |
| 15 (71) | Harvard University * | USA | |
| 16 (73) | Columbia University * | USA | |
| 17 (74) | University of Colorado, Boulder * | USA | |
| 18 (80) | University of Arizona * | USA | |
| 19 (84) | University of Wisconsin, Madison * | USA | |
| 20 (88) | Boston University * | USA | |
| 21 (90) | Texas A&M University, College Station * | USA | |
| 22 (91) | University of South Florida System * | USA | |
| 23 (95) | Pennsylvania State University * | USA | |
| 24 (98) | University of Connecticut, Storrs * | USA | |
| 25 (99) | Massachusetts Institute of Technology * | USA | |
| 26 (114) | University of Washington * | USA | |
| 27 (131) | University of Wyoming | USA | |
| 28 (133) | Texas Tech University | USA | |
| 29 (135) | Oregon State University | USA | |
| 30 (144) | University of Nebraska, Lincoln | USA | |
| 31 (145) | Washington University in Saint Louis * | USA | |
| 32 (149) | University of North Carolina, Chapel Hill * | USA | |
| 33 (150) | University of California, Los Angeles * | USA | |
| 34 (151) | Chevron Corp | USA | |
| 35 (152) | University of California, Berkeley * | USA | |
| 36 (155) | University of Utah * | USA | |
| 37 (163) | University of Kentucky * | USA | |
| 38 (164) | University of Iowa * | USA | |
| 39 (165) | University of North Dakota | USA | |
| 40 (179) | University of New Hampshire | USA | |
| 41 (182) | University of Texas, Arlington | USA | |
| 42 (187) | University of California, Santa Barbara | USA | |
| 43 (196) | National Center for Atmospheric Research | USA | |
| 44 (202) | Michigan State University | USA | |
| 45 (214) | University of Alaska, Fairbanks | USA | |
| 46 (215) | University of Michigan, Ann Arbor * | USA | |
| 47 (216) | Lawrence Livermore National Laboratory * | USA | |
| 48 (219) | Northwestern University, Evanston * | USA | |
| 49 (228) | Princeton University | USA | |
| 50 (229) | State University of New York, Buffalo | USA | |
| 51 (233) | University of Hawaii, Manoa * | USA | |
| 52 (234) | Clemson University | USA | |
| 53 (237) | University of Oklahoma * | USA | |
| 54 (243) | Virginia Polytechnic Institute and State University * | USA | |
| 55 (245) | Yale University * | USA | |
| 56 (249) | Carnegie Institution for Science * | USA |  |
| 57 (250) | University of Florida * | USA | |
| 58 (252) | Ohio State University, Columbus * | USA | |
| 59 (254) | Johns Hopkins University * | USA | |
| 60 (255) | University of Kansas * | USA | |
| 61 (264) | University of California, Davis * | USA | |
| 62 (269) | Arizona State University * | USA | |
| 63 (275) | University of California, San Diego * | USA | |
| 64 (276) | University of California, Santa Cruz | USA | |
| 65 (282) | Iowa State University | USA | |
| 66 (289) | Colorado State University, Fort Collins * | USA | |
| 67 (294) | Colorado School of Mines | USA | |
| 68 (299) | University of Minnesota, Twin Cities * | USA | |
| 69 (301) | University of Pittsburgh * | USA | |
| 70 (311) | Louisiana State University, Baton Rouge | USA | |
| 71 (316) | Saudi Arabian Oil Co, USA | USA | |
| 72 (321) | Smithsonian Institution * | USA | |
| 73 (323) | University of Texas, Dallas | USA | |
| 74 (328) | University of Miami * | USA | |
| 75 (340) | North Carolina State University | USA | |
| 76 (345) | University of Houston | USA | |
| 77 (354) | Brown University | USA | |
| 78 (365) | Lawrence Berkeley National Laboratory * | USA | |
| 79 (367) | University of Massachusetts, Amherst | USA | |
| 80 (378) | University of Southern California * | USA | |
| 81 (383) | Michigan Technological University | USA | |
| 82 (387) | University of Cincinnati * | USA | |
| 83 (392) | Shell, United States | USA | |
| 84 (406) | University of Alabama, Tuscaloosa | USA | |
| 85 (408) | Texas A&M University, Corpus Christi | USA | |
| 86 (419) | Woods Hole Oceanographic Institution | USA | |
| 87 (421) | West Virginia University * | USA | |
| 88 (424) | Purdue University | USA | |
| 89 (426) | Florida State University * | USA | |
| 90 (429) | Indiana University-Bloomington | USA | |
| 91 (450) | Northern Arizona University | USA | |
| 92 (465) | American Museum of Natural History | USA | |
| 93 (499) | University of California, Riverside | USA | |
| 94 (514) | University of Rhode Island | USA | |
| 95 (522) | University of New Mexico * | USA | |
| 96 (527) | Utah State University * | USA | |
| 97 (536) | Smithsonian National Museum of Natural History | USA | |
| 98 (544) | University of Oregon | USA | |
| 99 (546) | Rice University | USA | |
| 100 (557) | Rutgers, The State University of New Jersey | USA | |
| 101 (559) | City University of New York * | USA | |
| 102 (593) | University of California, Irvine * | USA | |
| 103 (596) | University of Nevada-Reno | USA | |
| 104 (610) | Dartmouth College * | USA | |
| 105 (612) | Mississippi State University | USA | |
| 106 (613) | University of Tennessee, Knoxville * | USA | |
| 107 (622) | San Diego State University | USA | |
| 108 (638) | Tufts University | USA | |
| 109 (640) | Florida International University | USA | |
| 110 (647) | Pacific Northwest National Laboratory * | USA | |
| 111 (667) | State University of New York, Stony Brook * | USA | |
| 112 (678) | Washington State University, Pullman * | USA | |
| 113 (679) | University of Nevada-Las Vegas | USA | |
| 114 (692) | San Jose State University | USA | |
| 115 (706) | New Mexico Institute of Mining and Technology * | USA | |
| 116 (758) | Boise State University | USA | |
| 117 (770) | University of Texas, El Paso | USA | |
| 118 (786) | Los Alamos National Laboratory * | USA | |
| 119 (787) | Syracuse University | USA | |
| 120 (804) | University of Arkansas, Fayetteville | USA | |
| 121 (845) | Lockheed Martin Corp * | USA | |
| 122 (867) | Macalester College | USA | |
| 123 (869) | Idaho State University | USA | |
| 124 (873) | University of South Carolina * | USA | |
| 125 (896) | Miami University of Ohio | USA | |
| 126 (903) | Missouri University of Science & Technology | USA | |
| 127 (941) | Western Michigan University | USA | |
| 128 (958) | Oklahoma State University, Stillwater * | USA | |
| 129 (968) | Western Washington University | USA | |
| 130 (973) | Auburn University | USA | |
| 131 (1056) | U.S. Army * | USA | |
| 132 (1077) | Illinois State University | USA | |
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