The Alumni Corporation of the Zeta Lambda Chapter of Theta Chi Fraternity (ZLAC) is a 501(c)(7) nonprofit organization that exists solely for the benefit and assistance of the alumni and undergraduate brothers of the chapter at Westminster College.
- Fosters growth of the fraternal bond within the lifelong brotherhood of Theta Chi.
- Serves as the management group for the chapter house and property.
- Establishes, governs, improves, and promotes the welfare of the chapter and its members.
- Provides financial assistance for the sustainability of the undergraduate chapter.