Astronomy nonprofits in the U.S.

Organizations that conduct research in astronomy, the physical science that addresses matter and energy in the universe using observational techniques such as spectroscopy, photometry, interferometry, radio astronomy and optical astronomy. 240 astronomy file a Form 990 in the United States. Together they report $770 million in revenue and hold $3.0 billion in assets. Browse the largest below, or drill in by state. Also called Cosmology Research, Galactic Astronomy Research, Planetary Astronomy Research, Planetary Science Research, Planetology Research, Solar System Research, Stars, Stellar Astronomy Research, Stellar Physics Research.

The largest are Association Of Universities For Research In Astronomy Inc, Carnegie Institution Of Washington, and Seti Institute.

Largest astronomy

Ranked by revenue. Sort any column, or follow an org to track it.

Top 100 by revenue · 240 astronomy nationwide

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Organization	State	Revenue	Assets	Follow
Association Of Universities For Research In Astronomy Inc Tucson	AZ	$450.4M	$125.9M	+ Follow
Carnegie Institution Of Washington Washington	DC	$85.6M	$1.3B	+ Follow
Seti Institute Mountain View	CA	$55.2M	$247.1M	+ Follow
California Association For Research In Astronomy Kamuela	HI	$30.4M	$62.0M	+ Follow
American Astronomical Society Washington	DC	$21.9M	$25.5M	+ Follow
Gmto Corporation Pasadena	CA	$21.2M	$474.1M	+ Follow
Large Binocular Telescope Corporation Tucson	AZ	$15.2M	$94.6M	+ Follow
San Diego Astronomy Association Foundation San Diego	CA	$13.7M	$13.6M	+ Follow
Tmt International Observatory Llc Monrovia	CA	$13.2M	$227.9M	+ Follow
Lowell Observatory Flagstaff	AZ	$11.9M	$97.9M	+ Follow
Las Cumbres Observatory Global Telescope Network Inc Goleta	CA	$6.1M	$35.2M	+ Follow
B612 Foundation Mill Valley	CA	$5.6M	$6.3M	+ Follow
Astrophysical Research Consortium Seattle	WA	$5.2M	$34.7M	+ Follow
Blue Marble Space Seattle	WA	$5.1M	$1.2M	+ Follow
Wiyn Consortium Inc Tucson	AZ	$3.6M	$24.3M	+ Follow
Soar Consortium Inc Tucson	AZ	$3.4M	$22.0M	+ Follow
Mount Washington Observatory North Conway	NH	$2.7M	$12.4M	+ Follow
N Northeast Radio Observatory Corporation Cambridge	MA	$2.7M	$157K	+ Follow
Astronomical Society Of The Pacific San Francisco	CA	$2.4M	$4.9M	+ Follow
Griffith Observatory Foundation Los Angeles	CA	$1.9M	$2.4M	+ Follow
Mt Cuba Astronomical Foundation C/O Ashford Capital Management Inc Wilmington	DE	$1.2M	$6.3M	+ Follow
Mount Wilson Institute Pasadena	CA	$1.2M	$4.3M	+ Follow
American Association Of Variable Star Observers Cambridge	MA	$1.1M	$20.3M	+ Follow
American Astronautical Society Inc Springfield	VA	$1.0M	$1.2M	+ Follow
Wyoming Star Gazing Jackson	WY	$751K	$90K	+ Follow
Pisgah Astronomical Research Institute Rosman	NC	$728K	$17.6M	+ Follow
International Lunar Observatory Association Kamuela	HI	$691K	$6.9M	+ Follow
Lsst Inc Tucson	AZ	$643K	$6.5M	+ Follow
Mufon Mutual Ufo Network Inc Cincinnati	OH	$637K	$93K	+ Follow
Mt Cuba Astronomical Observatory Inc C/O Ashford Capital Management Inc Wilmington	DE	$472K	$16.3M	+ Follow
Monterey Institute For Research In Astronomy Marina	CA	$397K	$5.4M	+ Follow
Astronomical League Lawton	OK	$344K	$1.3M	+ Follow
Open Lunar Foundation Covina	CA	$339K	$933K	+ Follow
Mars Society Inc Lakewood	CO	$284K	$495K	+ Follow
Southeastern Planetarium Association Glen Allen	VA	$241K	$285K	+ Follow
Astronomers Without Borders Inc Calabasas	CA	$206K	$0	+ Follow
Native Skywatchers Incorporated Maple Grove	MN	$196K	$52K	+ Follow
Rockland Astronomy Club Inc Stony Point	NY	$195K	$56K	+ Follow
Adirondack Public Observatory Inc Tupper Lake	NY	$186K	$693K	+ Follow
K Kainaat Studios Inc Amherst	MA	$168K	$29K	+ Follow
Organization For Professional Astrology Inc San Diego	CA	$162K	$10K	+ Follow
P Project Night Sky Huntsville	AL	$150K	$1.1M	+ Follow
Tmt Observatory Corporation Monrovia	CA	$132K	$3.3M	+ Follow
Carlton Observatory Carlton	OR	$117K	$274K	+ Follow
Orions Quest Livonia	MI	$109K	$64K	+ Follow
A African American Family Research Institute Chicago	IL	$101K	$0	+ Follow
Society For Mass Spectrometry Imaging Woodland	CA	$100K	$29K	+ Follow
Stellar Vista Observatory Kanab	UT	$99K	$155K	+ Follow
National Space Science & Technology Institute Colorado Spgs	CO	$94K	$15K	+ Follow
Ccat Observatory Inc Ithaca	NY	$91K	$34.6M	+ Follow
D Darksky Colorado Paonia	CO	$79K	$67K	+ Follow
H Houston Association For Space And Science Education Inc The Woodlands	TX	$79K	$0	+ Follow
Oklahoma City Astronomy Club Oklahoma City	OK	$75K	$173K	+ Follow
Skys The Limit Observatory & Nature Center Twentynin Plm	CA	$65K	$415K	+ Follow
T The Deep Space Exploration Society Colorado Spgs	CO	$61K	$0	+ Follow
I International Occultation Timing Association Fountain Hls	AZ	$60K	$1.2M	+ Follow
Future Space Leaders Foundation Washington	DC	$59K	$110K	+ Follow
Boyce Research Initiatives And Education Foundation San Diego	CA	$52K	$70K	+ Follow
S Space For A Better World Inc Winter Park	FL	$40K	$63K	+ Follow
Tzec Maun Foundation Redwood City	CA	$32K	$2.4M	+ Follow
I International Moonbase Alliance Honolulu	HI	$32K	$0	+ Follow
Amateur Observers Society Of New York Inc East Meadow	NY	$25K	$40K	+ Follow
A Aldrich Astronomical Society Incorporated Paxton	MA	$25K	$194K	+ Follow
S Swenson Observatory For Astronomy And Research Elgin	TX	$17K	$51K	+ Follow
San Francisco Amateur Astronomers Inc Josephine Randall Museum San Francisco	CA	$11K	$0	+ Follow
Central Pennsylvania Observers State College	PA	$8K	$0	+ Follow
Harford County Astronomical Society Inc Bel Air	MD	$4K	$0	+ Follow
Mohawk Valley Astronomical Society Clinton	NY	$2K	$0	+ Follow
H Heliophysics Research Albuquerque	NM	$288	$32K	+ Follow
S Stonebelt Stargazers Inc Paoli	IN	$1	$2K	+ Follow
T The Space Song Foundation Lucerne	CA	$1	$11K	+ Follow
C Central Arkansas Astronomical Society Little Rock	AR	$0	$0	+ Follow
O Outreach For Education In Astronomy Fort Worth	TX	$0	$0	+ Follow
L Las Vegas Astronomical Society N Las Vegas	NV	$0	$0	+ Follow
R Rittenhouse Astronomical Society Media	PA	$0	$0	+ Follow
B Back Bay Amateur Astronomers Carrollton	VA	$0	$0	+ Follow
H Helio Research La Crescenta	CA	$0	$0	+ Follow
C Chiefland Astro Chiefland	FL	$0	$0	+ Follow
L Lowcountry Stargazers Charleston	SC	$0	$0	+ Follow
M Midlands Astronomy Club Inc Columbia	SC	$0	$0	+ Follow
M Mars Initiative Houston	TX	$0	$0	+ Follow
Y Yellowstone Valley Astronomy Association Inc Laurel	MT	$0	$0	+ Follow
F Fringe Labs Research Corporation Clyde Hill	WA	$0	$0	+ Follow
P Planets Telescope Foundation Kula	HI	$0	$349K	+ Follow
T Tri-Valley Stargazers Astronomy Club Livermore	CA	$0	$0	+ Follow
C Coconino Astronomical Society Flagstaff	AZ	$0	$0	+ Follow
L Local Group Inc Newhall	CA	$0	$0	+ Follow
A Antelope Valley Astronomy Club Lancaster	CA	$0	$0	+ Follow
A Astronomical Society Of Greenbelt Inc Greenbelt	MD	$0	$0	+ Follow
S Society For Astronomical Sciences Inc Rch Cucamonga	CA	$0	$0	+ Follow
T Temecula Valley Astronomers Murrieta	CA	$0	$0	+ Follow
P Prescott Astronomy Club Prescott	AZ	$0	$0	+ Follow
G Gmars Center For Solar System Studies Rch Cucamonga	CA	$0	$0	+ Follow
A Astronomical Society Of East Texas Bullard	TX	$0	$0	+ Follow
E Escambia Amateur Astronomers Association Pensacola	FL	$0	$0	+ Follow
A Al-Shaahed -The Witness Boulder	CO	$0	$0	+ Follow
E Elaston Scientific San Jose	CA	$0	$0	+ Follow
A Amateur Astronomy Club Daytona Beach	FL	$0	$0	+ Follow
T Think Cosmos Inc Saratoga	CA	$0	$0	+ Follow
S South Plains Astronomy Club Lubbock	TX	$0	$0	+ Follow

All astronomy by state

Largest astronomy by state