Tau Gamma Sigma (TGS) � Triskelions' Grand Sorority.
Triskelion Alumni Organization (T.A.O.) � The umbrella organization of all Triskelion alumni associations worldwide.
Triskelion Order of Law (T.O.L.) � Alumni association of Triskelions who are in the judiciary and paralegal profession.
Triskelion Order of Medicine (T.O.M.) � Alumni association of Triskelions who are in the medical profession.
Triskelion Order of Business (T.O.B.) � Alumni association of Triskelions who are in the corporate world, businessmen and those who operate their own entrepreneural ventures.
Triskelion Information Technology Organization (T.I.T.O.) � Alumni association of Triskelions who are computer engineers, technicians and information technology professionals.
Triskelion Law Enforcers Group (TriLEG) � Alumni association of Triskelions who are currently working and those who retired from government armed services.
Bagong Tao Movement (B.T.M.) � A duly accredited political party list organization of the Tau Gamma Phi Fraternity and Tau Gamma Sigma Sorority.
Triskelion Seafarers League (TriSEAL) � Alumni association of Triskelions who are professional mariners, shipping executives, military personnel, and crew in ships that are plying oceans around the globe.
Triskelion Rescue and Emergency Assistance Team (T.R.E.A.T.) � Alumni association of Triskelions who are currently working and those who retired from the Bureau of Fire Protection (BFP), Emergency Medical Services (EMS) and various Volunteer Fire Brigades.
Triskelion Order of Teachers (T.O.T.) - Alumni association of Triskelions who are in the Teaching Profession. The T.O.T. was first organized at the West Visayas State University, Iloilo City, Philippines.
Triskelion Order of Call Center Professionals (T.O.C.C.) - An association of Triskelions who are in the Business Processing Outsource Industry