Casuals, who have ten, won three of the first six seasons in the Port of Spain Football League.
[1] Defence Force remains the only club to win the league championship for seven consecutive seasons from 1972–1978.
There have been 13 teams that have completed the double, which are: Defence Force (5 times), Everton (3), ASL Sports Club (2), Maple Club (2), Trintoc (2), W Connection (2), Casuals, Colts, Joe Public, Paragon, Police, Regiment, and Shamrock.
San Fernando Strikers (CPL) ASL Sports won the league, but refused to enter the play-offs which had been hastily added to the schedule near the end of the regular season.
Twenty-four clubs have been crowned champions in the highest division of Trinidad and Tobago football.