nonprofit lookup - SERP Analysis

https://www.irs.gov/charities-non-profits/tax-exempt-organization-search

https://projects.propublica.org/nonprofits/

https://www.guidestar.org/

https://candid.org/candid-search/verify-nonprofits/

https://sos.oregon.gov/business/Pages/research-oregon-nonprofit-data.aspx

https://www.charitynavigator.org/

https://www.irs.gov/charities-non-profits/search-for-tax-exempt-organizations

https://www.guidestar.org/search

https://charitable.ohioago.gov/Research-Charities

https://lookups.melissa.com/home/npo/