501(c)(1) Government Instrumentality
501(c)(2) Title Holding Corporation
501(c)(3) Public Charity
501(c)(3) Private Operating Foundation
501(c)(3) Private Nonoperating Foundation
501(c)(4) Civic Leagues and Social Welfare Organizations 501(c)(5) Labor, Agricultural and Horticultural Organizations 501(c)(6) Business Leagues, etc.
501(c)(7) Social and Recreation Clubs
501(c)(8) Fraternal Beneficiary Societies
501(c)(9) Employees Associations
501(c)(10) Domestic Fraternal Societies
501(c)(11) Teachers' Retirement Fund Associations
501(c)(12) Local Benevolent Life Insurance Associations, Mutual Irrigation and Telephone Companies, and Like Co
501(c)(13) Cemetery Companies
501(c)(14) Credit Unions and Other Mutual Financial Organizations
501(c)(15) Mutual Insurance Company other than Life or Marine
501(c)(16) Corporations Financing Crop Operations
501(c)(17) Supplemental Unemployment Compensations Trust or Plan
501(c)(18) Employee Funded Pension Trust formed prior to June 1959
501(c)(19) Post or Organizations of War Veterans
501(c)(20) Group Legal Services Plan Organization
501(c)(21) Black Lung Benefit Trusts
501(c)(22) Withdrawal Liability Payment Fund
501(c)(23) Veterans Association formed prior to 1880
501(c)(24) Trust described in Section 4049 or ERISA
501(c)(25) Title Holding Corporations for Multiple Organizations (Pensions, etc.)
501(c)(26) State Sponsored High Rick Health Insurance Organization
501(c)(27) State Sponsored Workers Compensation Reinsurances
501(c)(28) National Railroad Retirement Investment Trust
501(c)(29) ACA 1322 Qualified Nonprofit Health Insurance Issuers
501(d) Apostolic and Religious Organizations
501(e) Cooperative Hospital Service Organizations
501(f) Cooperative Service Organization of Operating Educations Organizations
501(k) Child Care Organization
501(n) Charitable Risk Pools
4947(a)(2) Split-Interest Trust
521(a) Farmer's Cooperative Associations
4947(a)(1) Non-Exempt Charitable Trusts - Private Foundations
GuideStar Search API Subsection Code List
527 Political Organizations
170(c)(1) Government Entity