guidestar - SERP Analysis

https://www.guidestar.org/

https://candid.org/

https://en.wikipedia.org/wiki/Candid_(organization)

https://www.charitynavigator.org/

https://www.macfound.org/custom-redirect%3Fredirect%3D/grantees/955/

https://www.linkedin.com/company/guidestar

https://guides.library.harvard.edu/hks/nonprofit