Science & Technology nonprofits in California

Science & Technology nonprofits in California. Browse 1,397 public nonprofit profiles. Review organization identities, available filing years, and their complete CharitySense profiles.

Location refers to headquarters recorded in public sources, not an organization’s service area. Classification describes its reported category and does not assess its effectiveness.

Nonprofit profiles

  1. Sealife Conservation Inc

    EIN 200954419 · Headquarters: freedom, CA, US · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. Seaoc Foundation

    EIN 680363273 · Headquarters: SACRAMENTO, CA, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Seathos Inc

    EIN 273278465 · Headquarters: LOS ANGELES, CA, US · Science & Technology · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  4. Secure AI Project

    EIN 332394289 · Headquarters: San Francisco, CA, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  5. Security B-sides

    EIN 271830464 · Headquarters: SAN FRANCISCO, CA, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. See the Sea

    EIN 770517357 · Headquarters: Salinas, CA, US · Science & Technology · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  7. Semio Community

    EIN 932156692 · Headquarters: LOS ANGELES, CA, USA · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990

  8. Serendipitous Dream Inc

    EIN 873306429 · Headquarters: Berkeley, CA, US · Science & Technology · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  9. SETI Institute

    EIN 942951356 · Headquarters: Mountain View, CA, United States · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Sha Research Foundation Dr Shas Research Foundation

    EIN 331027427 · Headquarters: San Francisco, CA, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  11. Shadetree Fund

    EIN 990498641 · Headquarters: Menlo Park, CA, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Shanghai Expo 2010

    EIN 262321383 · Headquarters: PASADENA, CA, USA · Science & Technology · Latest available filing year: 2011 · Primary form: IRS Form 990

  13. Sharegenome

    EIN 821473050 · Headquarters: San Diego, CA, USA · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990

  14. Sharing Economy Research Institute Silicone Valley

    EIN 611888061 · Headquarters: Sunnyvale, CA, US · Science & Technology · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  15. Shark Research Committee

    EIN 510662476 · Headquarters: Chatsworth, CA, US · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. Sharktooth Hill Foundation

    EIN 954561296 · Headquarters: Harbor City, CA, US · Science & Technology · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  17. Shasta Gem and Mineral Society Inc

    EIN 680023503 · Headquarters: REDDING, CA, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Shazam Foundation

    EIN 863692422 · Headquarters: Sacramento, CA, US · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. Shining Star Kids

    EIN 562539961 · Headquarters: Sausalito, CA, US · Science & Technology · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  20. Siebel Energy Institute

    EIN 474737389 · Headquarters: REDWOOD CITY, CA, USA · Science & Technology · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  21. Sierra Institute for Community & Environment

    EIN 911818166 · Headquarters: TAYLORSVILLE, CA, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Sierra Madre Environmental Action Council

    EIN 900256705 · Headquarters: Sierra Madre, CA, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Sierra Nevada Bighorn Sheep Foundation

    EIN 770408396 · Headquarters: Bishop, CA, USA · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  24. Sierra Pacific Orthopaedic Center Education and Research Foundation

    EIN 020697288 · Headquarters: Fresno, CA, US · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  25. Silent Bot Deadly Stem Education Inc

    EIN 822713611 · Headquarters: Folsom, CA, US · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. Silicon Valley Artificial Intelligence

    EIN 821802734 · Headquarters: La Crescenta, CA, US · Science & Technology · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  27. Silicon Valley Association of Innovation & Outsourcing

    EIN 274556465 · Headquarters: San Martin, CA, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Silicon Valley Chinese Tech Meetup

    EIN 814298331 · Headquarters: Fremont, CA, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Silicon Valley Forum

    EIN 770312497 · Headquarters: SAN JOSE, CA, USA · Science & Technology · Latest available filing year: 2019 · Primary form: IRS Form 990

  30. Silicon Valley Innovation Institute

    EIN 203010745 · Headquarters: HALF MOON BAY, CA, USA · Science & Technology · Latest available filing year: 2010 · Primary form: IRS Form 990-EZ

  31. Silicon Valley Robotics Colab

    EIN 850564490 · Headquarters: Oakland, CA, US · Science & Technology · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  32. Silicon Valley Technology Foundation

    EIN 843157353 · Headquarters: Atherton, CA, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Silicon Vally Software Technology Association

    EIN 030418578 · Headquarters: San Mateo, CA, US · Science & Technology · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  34. Simi Hills Wildlife Observatory

    EIN 880537860 · Headquarters: WOODLAND HILLS, CA, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Simons Laufer Mathematical Sciences Institute

    EIN 942650833 · Headquarters: Berkeley, CA, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. Simulation Councils Inc

    EIN 956059107 · Headquarters: San Diego, CA, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Single Event Effects Symposium

    EIN 521407343 · Headquarters: Los Angeles, CA, USA · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  38. Size8 Org Inc

    EIN 842648377 · Headquarters: SAN JOSE, CA, US · Science & Technology · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  39. Skybridge Spectrum Foundation

    EIN 208118487 · Headquarters: SAN FRANCISCO, CA, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  40. Skyline Aero Academy

    EIN 331697432 · Headquarters: Irvine, CA, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Skys the Limit Observatory & Nature Center

    EIN 814312310 · Headquarters: TWENTYNINE PALMS, CA, USA · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  42. Smart Tech Challenges Foundation

    EIN 320412280 · Headquarters: SAN RAFAEL, CA, USA · Science & Technology · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  43. Socal Association for Biomedical and Pharmaceutical Advancements

    EIN 731627787 · Headquarters: SAN DIEGO, CA, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Social Alpha Innovation Foundation

    EIN 874085081 · Headquarters: SARATOGA, CA, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. Social Sector Data Services

    EIN 853313302 · Headquarters: Los Alamitos, CA, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Society for Adaptive and Evolvable Hardware and Systems

    EIN 412241150 · Headquarters: PASADENA, CA, US · Science & Technology · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  47. Society for Advancement of Chicanos and Native Americans in Science

    EIN 521443811 · Headquarters: SAN FRANCISCO, CA, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Society for Artificial Intelligence and Statistics Inc

    EIN 521584800 · Headquarters: WalNUT CREEK, CA, US · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Society for Astronomical Sciences Inc

    EIN 330926377 · Headquarters: Rancho Cucamonga, CA, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Society for Management Information Systems

    EIN 680104604 · Headquarters: Half Moon Bay, CA, US · Science & Technology · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  51. Society for Modeling and Theory in Population Biology Inc

    EIN 933462070 · Headquarters: Stanford, CA, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Society for Research Synthesis Methodology

    EIN 203877754 · Headquarters: Merced, CA, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  53. Society for the Promotion of Science and Scholarship

    EIN 942344106 · Headquarters: Lafayette, CA, US · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. Society of American Military Engineers San Francisco Post C/o Asrc Industrial

    EIN 946104435 · Headquarters: FREMONT, CA, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  55. Society of Manufacturing Engineers

    EIN 464375277 · Headquarters: Sacramento, CA, US · Science & Technology · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  56. Society of Manufacturing Engineers

    EIN 800589555 · Headquarters: Rohnert Park, CA, US · Science & Technology · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  57. Society of Manufacturing Engineers

    EIN 956192482 · Headquarters: Camarillo, CA, US · Science & Technology · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  58. Society of Satellite Professionals International Southern Ca Chapter

    EIN 954687907 · Headquarters: Santa Clarita, CA, US · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Society of Women Engineers

    EIN 453696221 · Headquarters: Northridge, CA, US · Science & Technology · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  60. Society of Women Engineers

    EIN 680255725 · Headquarters: FOLSOM, CA, US · Science & Technology · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  61. Society of Women Engineers

    EIN 954246637 · Headquarters: Los Angeles, CA, US · Science & Technology · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  62. Solardigitalsystems Inc

    EIN 204335446 · Headquarters: Oakdale, CA, US · Science & Technology · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  63. Solutionlab Inc

    EIN 822872151 · Headquarters: Sacramento, CA, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Solving For Science

    EIN 874048733 · Headquarters: San Francisco, CA, US · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Some-thing Foundation

    EIN 992328110 · Headquarters: Alhambra, CA, US · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Sosbeacon Inc

    EIN 271901359 · Headquarters: BERKELEY, CA, USA · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  67. Sourcery Institute

    EIN 474655150 · Headquarters: OAKLAND, CA, USA · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  68. South Bay Aerospace Alliance - Sbaa

    EIN 824431669 · Headquarters: Redondo Beach, CA, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. South Coast Geological Society Inc

    EIN 953857562 · Headquarters: Santa Ana, CA, US · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. South Orange Amateur Radio Association

    EIN 330435722 · Headquarters: Mission Viejo, CA, US · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. South Orange County Gem and Mineral Society

    EIN 330444485 · Headquarters: San Clemente, CA, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Southern California Association of Science Specialists Inc

    EIN 270536778 · Headquarters: Brea, CA, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Southern California Chapter of MSCI Inc

    EIN 412248661 · Headquarters: La Verne, CA, USA · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  74. Southern California Drug Metabolism Discussion Group

    EIN 571177117 · Headquarters: San Diego, CA, US · Science & Technology · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  75. Southern California Genetic Counselors Inc

    EIN 830771628 · Headquarters: San Pedro, CA, USA · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990

  76. Southern California Marine Institute

    EIN 330650013 · Headquarters: TERMINAL ISLAND, CA, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Southern California Paranormal Detectives Inc

    EIN 452835581 · Headquarters: CUDAHY, CA, US · Science & Technology · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  78. Southern California Society of Parasitologists

    EIN 820606872 · Headquarters: San Pedro, CA, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Southern California Taiwanese Biotechnology Association Inc

    EIN 815351678 · Headquarters: La Jolla, CA, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Southwest Association of Freshwater Invertebrate Taxonomists

    EIN 870798165 · Headquarters: Chico, CA, US · Science & Technology · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  81. Southwestern Herpetologists Society

    EIN 954408422 · Headquarters: VAN NUYS, CA, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Space Agency Fan Fund

    EIN 810836358 · Headquarters: Santa Rosa, CA, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Space Enterprise at Berkeley

    EIN 854112102 · Headquarters: Richmond, CA, US · Science & Technology · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  84. Space Physics Research Institute

    EIN 770235443 · Headquarters: SUNNYVALE, CA, US · Science & Technology · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  85. Space to Achieve Readiness and Success

    EIN 454354775 · Headquarters: COSTA MESA, CA, US · Science & Technology · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  86. Spaceaccel Foundation Incorporated

    EIN 920544745 · Headquarters: La Mesa, CA, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Spaceup Foundation

    EIN 463239932 · Headquarters: san Diego, CA, US · Science & Technology · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  88. Spark Ns Inc

    EIN 922007188 · Headquarters: MENLO PARK, CA, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Spectra the Association for Lgbtq Mathematicians

    EIN 991720827 · Headquarters: Los Angeles, CA, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Spectraplot Ltd

    EIN 814753052 · Headquarters: Calabasas, CA, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Sphera Foundation

    EIN 770265891 · Headquarters: Mountain View, CA, US · Science & Technology · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  92. Squid Proxy Lovers

    EIN 412884203 · Headquarters: Sacramento, CA, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Sri International

    EIN 941160950 · Headquarters: MENLO PARK, CA, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Star Entertainment & Education Group

    EIN 342007425 · Headquarters: NORTHRIDGE, CA, USA · Science & Technology · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  95. Star Hill Fund

    EIN 943338689 · Headquarters: Mountain View, CA, USA · Science & Technology · Latest available filing year: 2018 · Primary form: IRS Form 990

  96. Starship Robotics

    EIN 831133340 · Headquarters: Eastvale, CA, US · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Start Dream Big

    EIN 831415189 · Headquarters: Elk Grove, CA, US · Science & Technology · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  98. State Space Corp

    EIN 990961806 · Headquarters: san francisco, CA, US · Science & Technology · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  99. Steenblock Research Institute Co David Steenblock

    EIN 743112262 · Headquarters: SAN CLEMENTE, CA, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  100. Stem Expo

    EIN 470994989 · Headquarters: Monterey, CA, US · Science & Technology · Latest available filing year: 2021 · Primary form: IRS Form 990-N

First page and all pages