Apart from social Greek organizations, Trinity is also home to many professional Greek-letter fraternities. These fraternities are nationally-based and cater to interests from service to pre-law.

Alpha Epsilon Delta
Founded in 1926, Alpha Epsilon Delta is a national premed fraternity. Apart from rewarding excellence in premedical scholarship, the fraternity puts its members in contact with medical professionals.

Alpha Kappa Psi
Founded in 1904, Alpha Kappa Psi is the oldest and largest professional business fraternity in the U.S. and focuses on professional development. The fraternity regularly hosts interview and resume workshops, as well as professional events for the entire Trinity community.

Alpha Lambda Delta
Founded in 1924, Alpha Lambda Delta is an honor fraternity that recognizes first years who have kept a 3.5 or higher GPA and are in the top 20 percent of their class.

Alpha Phi Omega
Founded in 1925, Alpha Phi Omega is a national service fraternity.  Its members focus on leadership, fellowship and service.

Delta Epsilon Iota
Founded in 1994, Delta Epsilon Iota is a professional fraternity that dedicates itself to special programs through Career Services, professional development opportunities and networking opportunities.

Delta Sigma Pi
Founded in 1907, Delta Sigma Pi is a business fraternity that provides its members with networking opportunities, alumni connections, professional lectures and leadership training.

Kappa Delta Pi
Founded in 1911, Kappa Delta Pi is an honor fraternity dedicated to education.

Mu Phi Epsilon
Founded in 1903, Mu Phi Epsilon is a coeducational musical fraternity that emphasizes the advancement of music in the community.

Omicron Delta Kappa
Founded in 1914, Omicron Delta Kappa is an honor fraternity that emphasizes campus leadership and scholarship.

Phi Alpha Delta
Founded in 1902, Phi Alpha Delta was formed to prepare students for law school and connect them with alumni and local legal professionals.

Phi Beta Kappa
Founded in 1776, Phi Beta Kappa is America’s oldest fraternity. Though first founded as a social organization, Phi Beta Kappa, now an honor fraternity, celebrates and advocates excellence in the liberal arts and sciences.

Phi Sigma Pi
Founded in 1916, Phi Sigma Pi is a professional fraternity that emphasizes scholarship, leadership and fellowship.

Pi Sigma Alpha
Founded in 1920, Pi Sigma Alpha promotes civic engagement on campus with emphasis on government, politics, international relations and public affairs