While Internal Revenue Code Section 501(c)(3) organizations are the typical vehicle for philanthropy, many organizations enjoy tax-exempt status under IRC Sections 501(a) and 401(a), such as trade ...

Data was obtained from the organizations' most-recent 990 tax filings available at press time. Only organizations that had an available tax filing for the fiscal year ending in 2021 or 2022 are ...

Many well-known health care organizations, including large health insurers and advocacy groups, obtain broad tax exemptions as “social welfare organizations” under §501(c)(4) of the Internal Revenue ...