National service sorority.
Sites 3
- Omega Phi Alpha National Service Sorority A national organization committed to service on campuses across the nation.
- Omega Phi Alpha - Texas A&M University Corpus Christi - Psi Chapter Pictures, service events, rush information, history.
- Omega Phi Alpha - Western Kentucky University - Rho Chapter Actives, alumnae, current events, news, bulletin board, links.