| § 501(c)(1) - |
Corporations Organized Under Act of Congress (including Federal Credit Unions) |
| § 501(c)(2) - |
Title Holding Corporation For Exempt Organization |
| § 501(c)(11) - |
Teachers' Retirement Fund Associations |
| § 501(c)(12) - |
Benevolent Life Insurance Associations, Mutual Ditch or Irrigation Companies, Mutual or Cooperative Telephone Companies, Etc. |
| § 501(c)(13) - |
Cemetery Companies |
| § 501(c)(14) - |
State Chartered Credit Unions, Mutual Reserve Funds |
| § 501(c)(15) - |
Mutual Insurance Companies or Associations |
| § 501(c)(16) - |
Cooperative Organizations to Finance Crop Operations |
| § 501(c)(18) - |
Employee Funded Pension Trust (created before June 25, 1959) |
| § 501(c)(21) - |
Black Lung Benefit Trusts |
| § 501(c)(22) - |
Withdrawal Liability Payment Fund |
| § 501(c)(25) - |
Title Holding Corporations or Trusts with Multiple Parents |
| § 501(c)(26) - |
State-Sponsored High-Risk Health Coverage Organizations |
| § 501(c)(27) - |
State-Sponsored Worker's Compensation Reinsurance Organizations |
| § 501(d) - |
Religious and Apostolic Associations |
| § 501(e) - |
Cooperative Hospital Service Organizations |
| § 501(f) - |
Cooperative Service Organization of Operating Educational Organizations |
| § 501(k) - |
Child Care Organization |
| § 521(a) - |
Farmers' Cooperative Associations |
