| ASSOCIATION OF UNIVERSITIES FOR | $468,809,827 | U31 | published | space: outer | Washington, DC | 2024 |
| CARNEGIE INSTITUTION OF WASHINGTON | $106,544,070 | U31 | published | space: outer | Washington, DC | 2024 |
| GMTO CORPORATION | $46,688,213 | U31 | published | space: outer | Pasadena, CA | 2024 |
| CALIFORNIA ASSOCIATION FOR RESEARCH IN ASTRONOMY | $30,106,569 | U31 | published | space: outer | Kamuela, HI | 2024 |
| SETI INSTITUTE | $27,357,400 | U31 | published | launch: space | Mountain View, CA | 2024 |
| AMERICAN ASTRONOMICAL SOCIETY | $21,867,046 | U31 | published | space: outer | Washington, DC | 2024 |
| LOWELL OBSERVATORY | $19,557,310 | U31 | published | space: outer | Flagstaff, AZ | 2025 |
| LARGE BINOCULAR TELESCOPE CORPORATION | $15,015,334 | U31 | published | space: outer | Tucson, AZ | 2025 |
| SAN DIEGO ASTRONOMY ASSOCIATION FOUNDATION | $13,690,958 | U31 | published | space: outer | San Diego, CA | 2024 |
| TMT INTERNATIONAL OBSERVATORY LLC | $13,198,485 | U31 | published | space: outer | Monrovia, CA | 2024 |
| LAS CUMBRES OBSERVATORY GLOBAL TELESCOPE NETWORK INC | $6,122,528 | U31 | published | | Goleta, CA | 2024 |
| B612 FOUNDATION | $5,593,484 | U31 | published | space: outer | Mill Valley, CA | 2024 |
| ASTROPHYSICAL RESEARCH CONSORTIUM | $5,210,557 | U31 | published | space: outer | Seattle, WA | 2024 |
| BLUE MARBLE SPACE | $5,115,175 | U31 | published | launch: space | Seattle, WA | 2024 |
| WIYN CONSORTIUM INC | $4,133,005 | U31 | published | space: outer | Tucson, AZ | 2024 |
| SOAR CONSORTIUM INC | $3,636,361 | U31 | published | space: outer | Tucson, AZ | 2024 |
| LSST INC | $3,556,965 | U31 | published | space: outer | Tucson, AZ | 2024 |
| MT CUBA ASTRONOMICAL OBSERVATORY INC HILLSIDE MILL ROAD | $2,861,504 | U31 | published | space: outer | Wilmington, DE | 2025 |
| CCAT OBSERVATORY INC | $2,761,167 | U31 | published | space: outer | Ithaca, NY | 2024 |
| MOUNT WASHINGTON OBSERVATORY | $2,721,606 | U31 | published | space: outer | North Conway, NH | 2024 |
| NORTHEAST RADIO OBSERVATORY CORPORATION | $2,055,877 | U31 | published | space: outer | Cambridge, MA | 2024 |
| GRIFFITH OBSERVATORY FOUNDATION | $2,034,630 | U31 | published | space: outer | Los Angeles, CA | 2025 |
| MT CUBA ASTRONOMICAL FOUNDATION | $1,703,216 | U31 | published | space: outer | Wilmington, DE | 2025 |
| AMERICAN ASSOCIATION OF VARIABLE STAR OBSERVERS | $1,682,737 | U31 | published | space: outer | Cambridge, MA | 2024 |
| ASTRONOMICAL SOCIETY OF THE PACIFIC | $1,423,133 | U31 | published | space: outer | San Francisco, CA | 2024 |
| MOUNT WILSON INSTITUTE | $1,165,408 | U31 | published | | Pasadena, CA | 2024 |
| AMERICAN ASTRONAUTICAL SOCIETY INC | $1,043,824 | U31 | published | launch: space | Springfield, VA | 2024 |
| MONTEREY INSTITUTE FOR RESEARCH IN ASTRONOMY | $801,076 | U31 | published | launch: space | Marina, CA | 2025 |
| PISGAH ASTRONOMICAL RESEARCH INSTITUTE | $727,738 | U31 | published | launch: space | Rosman, NC | 2024 |
| MUFON MUTUAL UFO NETWORK INC | $529,278 | U31 | published | science: research education | Cincinnati, OH | 2025 |
| INTERNATIONAL LUNAR OBSERVATORY ASSOCIATION | $526,745 | U31 | published | space: outer | Kamuela, HI | 2025 |
| WYOMING STAR GAZING | $516,895 | U31 | published | space: outer | Jackson, WY | 2025 |
| ASTRONOMICAL LEAGUE | $344,395 | U31 | published | space: outer | Lawton, OK | 2024 |
| OPEN LUNAR FOUNDATION | $339,356 | U31 | published | launch: space | Covina, CA | 2024 |
| TMT OBSERVATORY CORPORATION | $296,950 | U31 | published | space: outer | Monrovia, CA | 2024 |
| MARS SOCIETY INC | $284,254 | U31 | published | space: outer | Lakewood, CO | 2024 |
| PROJECT NIGHT SKY | $271,561 | U31 | published | space: outer | Huntsville, AL | 2025 |
| SOUTHEASTERN PLANETARIUM ASSOCIATION | $240,858 | U31 | published | space: outer | Glen Allen, VA | 2023 |
| ASTRONOMERS WITHOUT BORDERS INC | $205,524 | U31 | published | space: outer | Calabasas, CA | 2024 |
| NATIVE SKYWATCHERS INCORPORATED | $195,673 | U31 | published | | Maple Grove, MN | 2025 |
| INTERNATIONAL OCCULTATION TIMING ASSOCIATION | $195,548 | U31 | published | space: outer | Fountain Hls, AZ | 2025 |
| ROCKLAND ASTRONOMY CLUB INC | $194,713 | U31 | published | space: outer | Stony Point, NY | 2024 |
| ORGANIZATION FOR PROFESSIONAL ASTROLOGY INC | $185,981 | U31 | published | | San Diego, CA | 2025 |
| STELLAR VISTA OBSERVATORY | $161,999 | U31 | published | | Kanab, UT | 2025 |
| KAINAAT STUDIOS INC | $145,595 | U31 | published | space: outer | Amherst, MA | 2025 |
| ADIRONDACK PUBLIC OBSERVATORY INC | $135,387 | U31 | published | space: outer | Tupper Lake, NY | 2025 |
| CARLTON OBSERVATORY | $117,402 | U31 | published | space: outer | Carlton, OR | 2024 |
| DARKSKY COLORADO | $115,774 | U31 | published | | Paonia, CO | 2025 |
| AFRICAN AMERICAN FAMILY RESEARCH INSTITUTE | $100,560 | U31 | published | | Chicago, IL | 2024 |
| SOCIETY FOR MASS SPECTROMETRY IMAGING | $100,429 | U31 | published | | Woodland, CA | 2025 |
| NATIONAL SPACE SCIENCE & TECHNOLOGY INSTITUTE | $94,159 | U31 | published | space: outer | Colorado Spgs, CO | 2025 |
| ORIONS QUEST | $93,968 | U31 | published | space: outer | Livonia, MI | 2025 |
| HOUSTON ASSOCIATION FOR SPACE AND SCIENCE EDUCATION INC | $79,131 | U31 | published | space: outer | The Woodlands, TX | 2024 |
| SEATTLE ASTRONOMICAL SOCIETY INC | $75,163 | U31 | inferred 0.60 | space: outer | Seattle, WA | 2024 |
| OKLAHOMA CITY ASTRONOMY CLUB | $74,943 | U31 | published | space: outer | Oklahoma City, OK | 2025 |
| SKYS THE LIMIT OBSERVATORY & NATURE CENTER | $65,230 | U31 | published | space: outer | Twentynin Plm, CA | 2025 |
| THE DEEP SPACE EXPLORATION SOCIETY | $61,018 | U31 | published | launch: space | Colorado Spgs, CO | 2024 |
| FUTURE SPACE LEADERS FOUNDATION | $58,618 | U31 | published | space: outer | Washington, DC | 2024 |
| MARSHALL MARTZ MEMORIAL ASTRONOMICAL ASSOCIATION INC | $54,410 | U31 | inferred 0.55 | space: outer | Frewsburg, NY | 2024 |
| BOYCE RESEARCH INITIATIVES AND EDUCATION FOUNDATION | $52,920 | U31 | published | space: outer | San Diego, CA | 2024 |
| SAN DIEGO ASTRONOMY ASSOCIATION | $33,880 | U31 | inferred 0.60 | space: outer | San Diego, CA | 2024 |
| TZEC MAUN FOUNDATION | $32,000 | U31 | published | space: outer | Redwood City, CA | 2025 |
| INTERNATIONAL MOONBASE ALLIANCE | $31,674 | U31 | published | space: outer | Honolulu, HI | 2022 |
| AMATEUR OBSERVERS SOCIETY OF NEW YORK INC | $25,412 | U31 | published | space: outer | East Meadow, NY | 2025 |
| ALDRICH ASTRONOMICAL SOCIETY INCORPORATED | $25,061 | U31 | published | space: outer | Paxton, MA | 2024 |
| LAKE AFTON PUBLIC OBSERVATORY | $24,316 | U31 | published | space: outer | Goddard, KS | 2015 |
| RIVERSIDE TELESCOPE MAKERS CONFERENCE | $24,240 | U31 | inferred 0.60 | space: outer | Riverside, CA | 2012 |
| SWENSON OBSERVATORY FOR ASTRONOMY AND RESEARCH | $16,100 | U31 | published | space: outer | Elgin, TX | 2025 |
| SAN FRANCISCO AMATEUR ASTRONOMERS INC JOSEPHINE RANDALL MUSEUM | $11,185 | U31 | published | girls boys: girl scouts | San Francisco, CA | 2022 |
| CENTRAL PENNSYLVANIA OBSERVERS | $8,135 | U31 | published | space: outer | State College, PA | 2022 |
| HARFORD COUNTY ASTRONOMICAL SOCIETY INC | $3,992 | U31 | published | space: outer | Bel Air, MD | 2024 |
| MOHAWK VALLEY ASTRONOMICAL SOCIETY | $2,449 | U31 | published | space: outer | Clinton, NY | 2021 |
| SPACE SONG FOUNDATION | $395 | U31 | published | launch: space | Lucerne, CA | 2025 |
| HELIOPHYSICS RESEARCH | $288 | U31 | published | space: outer | Albuquerque, NM | 2024 |
| STONEBELT STARGAZERS INC | $0 | U31 | published | space: outer | Paoli, IN | 2025 |
| GREAT LAKES ASSOCIATION OF ASTRONOMY CLUBS | $0 | U31 | published | space: outer | Howell, MI | 2020 |
| ASTRONOMICAL SOCIETY OF SOUTHERN NEVADA | $0 | U31 | published | space: outer | Las Vegas, NV | 2024 |
| SOUTHWEST FLORIDA ASTRONOMICAL SOCIETY INC | - | U31 | published | | Fort Myers, FL | |
| CENTRAL APPALACHIAN ASTRONOMY CLUB | - | U31 | published | | Bridgeport, WV | |
| KEENE AMATEUR ASTRONOMERS INC | - | U31 | inferred 0.60 | | Laconia, NH | |
| AMHERST AREA AMATEUR ASTRONOMERS ASSOCIATION INCORPORATED | - | U31 | inferred 0.80 | | Amherst, MA | |
| SKYLIGHT ASTRONOMICAL SOCIETY INC | - | U31 | published | | Stow, MA | |
| MATTATUCK ASTRONOMICAL SOCIETY C/O MATH SCIENCE DIV | - | U31 | inferred 0.70 | | Bethlehem, CT | |
| ASTRONOMY FOR YOUTH INC | - | U31 | inferred 0.50 | | Ashland, OH | |
| OAK RIDGE ISOCHRONOUS OBSERVATION NETWORK INC | - | U31 | published | | Kingston, TN | |
| LAKE COUNTY ASTRONOMICAL SOCIETY | - | U31 | published | | Ingleside, IL | |
| TREASURE VALLEY NEAR SPACE PROGRAM INC | - | U31 | published | | Caldwell, ID | |
| ALLIANCE FOR ASTRONOMY INC | - | U31 | published | | Foristell, MO | |
| INTERNATIONAL SOC FOR ARCHAEOASTRONOMY & ASTRONOMY IN CU | - | U31 | published | | Morgantown, WV | |
| BOULDER ASTRONOMY & SPACE SOCIETY | - | U31 | published | | Boulder, CO | |
| BIG SKY ASTRONOMY CLUB | - | U31 | published | | Kalispell, MT | |
| HAMPTONS OBSERVATORY INC | - | U31 | published | | East Hampton, NY | |
| WAYNE COUNTY ASTRONOMICAL SOCIETY | - | U31 | published | | Wooster, OH | |
| TREASURE COAST ASTRONOMICAL SOCIETY INC | - | U31 | published | | Stuart, FL | |
| RICHMOND ASTRONOMICAL SOCIETY | - | U31 | published | | Powhatan, VA | |
| STAR ASTRONOMY CLUB | - | U31 | inferred 0.50 | | Red Bank, NJ | |
| THE SOUTH JERSEY ASTRONOMY CLUB INC | - | U31 | published | | Millville, NJ | |
| NEW JERSEY ASTRONOMICAL ASSOCIATION INC | - | U31 | published | | High Bridge, NJ | |
| LACKAWANNA ASTRONOMICAL SOCIETY | - | U31 | published | | Scranton, PA | |
| GREATER HAZLETON AREA ASTRONOMICAL SOCIETY | - | U31 | inferred 0.60 | | Hazle Townshp, PA | |