Dallas Cowboys holds the record with a winning season every year from 1966 to 1985. It is also the record for most consecutive winning seasons of any professional sports team.
The University of Oklahoma
Linfield College in McMinnville, OR. 54 consecutive winning seasons as both NAIA and NCAA Division III teams.
Ateneo de Manila High School Track and Field team of the Philippines holds the record of the longest consecutive winning streak, from 1979 to 1998
The Pittsburgh Pirates, with 20 losing seasons. They broke their own previous record of 19 consecutive losing seasons. :-(
The Baltimore Orioles?
The Dallas Cowboys
Ken Jennings. He holds the current record (as of September 2017) of 74 consecutive victories.
Ateneo de Manila high school track and field team of the Philippines holds the longest consecutive winning streak, from 1979 to 1998
tampa bay 14 years