| 1 (10) | National Center for Atmospheric Research | USA |  |
| 2 (14) | National Aeronautics and Space Administration * | USA | |
| 3 (21) | Jet Propulsion Laboratory | USA | |
| 4 (25) | Harvard University * | USA |  |
| 5 (29) | Massachusetts Institute of Technology * | USA | |
| 6 (36) | Stanford University * | USA | |
| 7 (37) | Smithsonian Institution * | USA | |
| 8 (42) | West Virginia University * | USA | |
| 9 (43) | University of Texas, Austin | USA | |
| 10 (49) | University of Washington * | USA | |
| 11 (52) | National Oceanic and Atmospheric Administration | USA | |
| 12 (53) | California Institute of Technology * | USA | |
| 13 (54) | Columbia University * | USA | |
| 14 (57) | Brown University | USA | |
| 15 (61) | University of California, Berkeley * | USA | |
| 16 (63) | United States Geological Survey | USA | |
| 17 (72) | NASA Goddard Space Flight Center | USA | |
| 18 (74) | University of Michigan, Ann Arbor * | USA | |
| 19 (78) | Pennsylvania State University * | USA | |
| 20 (79) | Yale University * | USA | |
| 21 (80) | University of Colorado, Boulder * | USA | |
| 22 (84) | Woods Hole Oceanographic Institution | USA |  |
| 23 (87) | Field Museum Natural History | USA | |
| 24 (96) | Cornell University * | USA | |
| 25 (97) | University of Arizona * | USA | |
| 26 (106) | City University of New York * | USA | |
| 27 (107) | Smithsonian National Museum of Natural History | USA | |
| 28 (109) | Oregon State University | USA | |
| 29 (111) | University of California, Los Angeles * | USA | |
| 30 (113) | University of Southern California * | USA | |
| 31 (114) | University of Florida * | USA | |
| 32 (125) | Duke University * | USA | |
| 33 (131) | University of Wisconsin, Madison * | USA | |
| 34 (137) | American Museum of Natural History | USA | |
| 35 (142) | North Carolina State University | USA | |
| 36 (149) | Michigan State University | USA | |
| 37 (154) | University of Illinois at Urbana-Champaign * | USA | |
| 38 (157) | University of California, Davis * | USA | |
| 39 (159) | University of California, Santa Cruz | USA | |
| 40 (168) | University of California, Santa Barbara | USA | |
| 41 (170) | United States Department of Agriculture | USA | |
| 42 (171) | University of California, San Diego * | USA | |
| 43 (182) | Ohio State University, Columbus * | USA | |
| 44 (185) | Vanderbilt University * | USA | |
| 45 (186) | Florida State University * | USA | |
| 46 (192) | Colorado State University, Fort Collins * | USA | |
| 47 (200) | Texas A&M University, College Station * | USA | |
| 48 (203) | University of California, Riverside | USA | |
| 49 (206) | University of Kansas * | USA | |
| 50 (209) | University of Alaska, Fairbanks | USA | |
| 51 (211) | State University of New York, Stony Brook * | USA | |
| 52 (213) | Virginia Polytechnic Institute and State University | USA | |
| 53 (215) | University of Pennsylvania * | USA | |
| 54 (216) | University of Massachusetts, Amherst | USA | |
| 55 (217) | Rutgers, The State University of New Jersey | USA | |
| 56 (218) | Purdue University | USA | |
| 57 (242) | University of Chicago * | USA | |
| 58 (254) | Princeton University | USA | |
| 59 (255) | California Academy of Sciences | USA | |
| 60 (270) | Washington State University, Pullman * | USA | |
| 61 (271) | University of Missouri, Columbia * | USA | |
| 62 (280) | University of Delaware | USA | |
| 63 (284) | Northern Arizona University | USA | |
| 64 (300) | University of Colorado, Denver * | USA | |
| 65 (302) | University of Maryland, Baltimore | USA | |
| 66 (304) | University of South Florida System * | USA | |
| 67 (306) | University of Nevada-Reno | USA | |
| 68 (309) | University of Cincinnati * | USA | |
| 69 (312) | Johns Hopkins University * | USA | |
| 70 (315) | University of Utah * | USA | |
| 71 (319) | University of Maryland, College Park * | USA | |
| 72 (325) | University of Nebraska, Lincoln | USA | |
| 73 (326) | University of Minnesota, Twin Cities * | USA | |
| 74 (328) | Montana State University, Bozeman | USA | |
| 75 (330) | Ormat Technologies, United States | USA |  |
| 76 (351) | University of Connecticut, Storrs * | USA | |
| 77 (353) | Ohio University | USA | |
| 78 (365) | University of Tennessee, Knoxville * | USA | |
| 79 (371) | University of Oregon | USA | |
| 80 (372) | Louisiana State University, Baton Rouge | USA | |
| 81 (412) | University of New Mexico * | USA | |
| 82 (446) | University of Alabama, Tuscaloosa | USA | |
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