Adoption NTEE P31

507 organizations in the U.S. are classified under NTEE code P31 (Human Services). Organizations that arrange permanent homes under new legal parentage for individuals whose birth parents are unable or unwilling to provide for their care.

Largest organizations

OrganizationLocationTypeRevenue
Association of Universities forEIN 86-0138043 · Astronomy Washington, DC 501(c)(3) Deductible $468.8 million
Carnegie Institution of WashingtonEIN 53-0196523 · Astronomy Washington, DC 501(c)(3) Deductible $106.5 million
Gmto CorporationEIN 26-2637707 · Astronomy Pasadena, CA 501(c)(3) Deductible $46.7 million
California Association for Research in AstronomyEIN 95-3972799 · Astronomy Kamuela, HI 501(c)(3) Deductible $30.1 million
Seti InstituteEIN 94-2951356 · Astronomy Mountain View, CA 501(c)(3) Deductible $27.4 million
American Astronomical SocietyEIN 21-0735173 · Astronomy Washington, DC 501(c)(3) Deductible $21.9 million
Lowell ObservatoryEIN 86-0098918 · Astronomy Flagstaff, AZ 501(c)(3) Deductible $19.6 million
Large Binocular Telescope CorporationEIN 86-0724677 · Astronomy Tucson, AZ 501(c)(3) Deductible $15.0 million
San Diego Astronomy Association FoundationEIN 99-2163812 · Astronomy San Diego, CA 501(c)(3) Deductible $13.7 million
Tmt International Observatory LLCEIN 30-0833462 · Astronomy Monrovia, CA 501(c)(3) Deductible $13.2 million
B612 FoundationEIN 54-2078469 · Astronomy Mill Valley, CA 501(c)(3) Deductible $5.6 million
Astrophysical Research ConsortiumEIN 91-1265806 · Astronomy Seattle, WA 501(c)(3) Deductible $5.2 million
Blue Marble SpaceEIN 27-0184094 · Astronomy Seattle, WA 501(c)(3) Deductible $5.1 million
Wiyn Consortium IncEIN 86-0669456 · Astronomy Tucson, AZ 501(c)(3) Deductible $4.1 million
Soar Consortium IncEIN 86-0944542 · Astronomy Tucson, AZ 501(c)(3) Deductible $3.6 million
Lsst IncEIN 56-2390650 · Astronomy Tucson, AZ 501(c)(3) Deductible $3.6 million
Ccat Observatory IncEIN 45-4104640 · Astronomy Ithaca, NY 501(c)(3) Deductible $2.8 million
Mount Washington ObservatoryEIN 02-0225135 · Astronomy North Conway, NH 501(c)(3) Deductible $2.7 million
Northeast Radio Observatory CorporationEIN 04-6156432 · Astronomy Cambridge, MA 501(c)(3) Deductible $2.1 million
Griffith Observatory FoundationEIN 95-3374645 · Astronomy Los Angeles, CA 501(c)(3) Deductible $2.0 million
American Association of Variable Star ObserversEIN 04-2164402 · Astronomy Cambridge, MA 501(c)(3) Deductible $1.7 million
Astronomical Society of the PacificEIN 94-0294860 · Astronomy San Francisco, CA 501(c)(3) Deductible $1.4 million
Mount Wilson InstituteEIN 77-0132297 · Astronomy Pasadena, CA 501(c)(3) Deductible $1.2 million
American Astronautical Society IncEIN 52-6053513 · Astronomy Springfield, VA 501(c)(3) Deductible $1.0 million
Monterey Institute for Research in AstronomyEIN 23-7128629 · Astronomy Marina, CA 501(c)(3) Deductible $801,076
Pisgah Astronomical Research InstituteEIN 56-2108640 · Astronomy Rosman, NC 501(c)(3) Deductible $727,738
Mufon Mutual Ufo Network IncEIN 37-0990161 · Astronomy Cincinnati, OH 501(c)(3) Deductible $529,278
Wyoming Star GazingEIN 46-3183809 · Astronomy Jackson, WY 501(c)(3) Deductible $516,895
Astronomical LeagueEIN 52-6054301 · Astronomy Lawton, OK 501(c)(3) Deductible $344,395
Open Lunar FoundationEIN 82-4265651 · Astronomy Covina, CA 501(c)(3) Deductible $339,356
Tmt Observatory CorporationEIN 20-0988966 · Astronomy Monrovia, CA 501(c)(3) Deductible $296,950
Mars Society IncEIN 31-1585646 · Astronomy Lakewood, CO 501(c)(3) Deductible $284,254
Project Night SkyEIN 83-0931665 · Astronomy Huntsville, AL 501(c)(3) Deductible $271,561
Southeastern Planetarium AssociationEIN 80-0444010 · Astronomy Glen Allen, VA 501(c)(3) Deductible $240,858
Native Skywatchers IncorporatedEIN 81-2015231 · Astronomy Maple Grove, MN 501(c)(3) Deductible $195,673
International Occultation Timing AssociationEIN 36-3254326 · Astronomy Fountain Hls, AZ 501(c)(3) Deductible $195,548
Rockland Astronomy Club IncEIN 61-1689911 · Astronomy Stony Point, NY 501(c)(3) Deductible $194,713
Organization for Professional Astrology IncEIN 88-1780988 · Astronomy San Diego, CA 501(c)(3) Deductible $162,485
Stellar Vista ObservatoryEIN 83-3526645 · Astronomy Kanab, UT 501(c)(3) Deductible $161,999
Kainaat Studios IncEIN 83-3231956 · Astronomy Amherst, MA 501(c)(3) Deductible $145,595
Adirondack Public Observatory IncEIN 77-0616930 · Astronomy Tupper Lake, NY 501(c)(3) Deductible $135,387
Carlton ObservatoryEIN 82-4957052 · Astronomy Carlton, OR 501(c)(3) Deductible $117,402
Darksky ColoradoEIN 92-2561369 · Astronomy Paonia, CO 501(c)(3) Deductible $115,774
Orions QuestEIN 06-1666146 · Astronomy Livonia, MI 501(c)(3) Deductible $109,162
Society for Mass Spectrometry ImagingEIN 81-3766415 · Astronomy Woodland, CA 501(c)(6) $100,429
National Space Science & Technology InstituteEIN 84-1374681 · Astronomy Colorado Spgs, CO 501(c)(3) Deductible $94,159
Oklahoma City Astronomy ClubEIN 73-1532941 · Astronomy Oklahoma City, OK 501(c)(3) Deductible $74,943
Skys the Limit Observatory & Nature CenterEIN 81-4312310 · Astronomy Twentynin Plm, CA 501(c)(3) Deductible $65,230
Future Space Leaders FoundationEIN 90-0854973 · Astronomy Washington, DC 501(c)(3) Deductible $58,618
Space for a Better World IncEIN 87-3561162 · Astronomy Winter Park, FL 501(c)(3) Deductible $40,229

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