Our sisters are active not only within the Omega chapter but also on campus. Thetas are leaders in clubs such as:
- NCAA Crew
- NCAA Softball
- Panhellenic Council
- Berkeley Model United Nations
- UC Berkeley Model United Nations
- Cal Club Tennis Team
- Cal Triathlon Team
- Cal Fencing Club Team
- Cal Equestrian Club Team
- Cal Ski and Snowboard Club
- UC Ballroom Dance Team
- The Movement Dance Group
- Berkeley Political Review
- Beta Alpha Psi
- Committee on Student Conduct
- Society of Women Engineers
- Institute of Industrial Engineers
- Cal Pre-Veterinary Club
- The Triple Helix Academic Student Journal
- Cal Cooking Club
- Theater for Charity
- Associated Students of the University of California
- Cal in the Capital
- UC Education Abroad Program
- Rally Committee
- Panhellenic Executive Committee
- Koinonia Christian Fellowship
- Hillel Jewish Student Union
- Newman Hall
- SAGE Mentorship Program
- Theater for Charity
- BareStage Theater Productions
- The Patriot
- Order of Omega
- Wonderworks
- Cal Lobby Corps
- Berkeley Melanoma Awareness Project
- Asian American Association
- Berkeley Free Clinic
- Project Smile
- Hermanas Unidas
- Alpha Phi Omega
- CalUPHC
- Naval ROTC
- Phi Alpha Theta
- Haas Business School Association
- Prytanean Women's Honor Society
- Pilipino Association for Health Careers
- Mabuhay Health Clinic