Xulapaul at Beloit in Wooden has to have one of the most successful, consistent D3 team currently. From seasons 35-95, he has made the NT 59 of 60 times (winning the PI championship the only time he missed). During that 60 season stretch, Xulapaul has won 8 national titles and played in 27 of 60 final fours. Overall winning percentage at Beloit is 0.806
https://www.whatifsports.com/hd/TeamProfile/History.aspx?tid=3778