Longest-running DC Comics ongoings by team

By team as in the Justice League, the Teen Titans, the Legion of Superheroes and the Suicide Squad. Excludes legacy renumbering.

1. Justice League - Justice League of America v1 (November 1960 to April 1987, 261 issues)
2. Legion of Superheroes - Superboy Starring the Legion of Super-Heroes #197-221 / Superboy and the Legion of Super-Heroes #222-258 / Legion of Super-Heroes v2 #259-354 (September 1973 to December 1987, 158 issues) 
3. Teen Titans - The New Teen Titans v2 / The New Titans v1 / New Titans v1 (August 1984 to February 1996, 130 issues)
4. Birds of Prey - Birds of Prey v1 (January 1999 to April 2009, 127 issues)
5. Justice Society of America - JSA v1 (August 1999 to September 2006, 87 issues)
6. Doom Patrol - Doom Patrol v2 (October 1987 to February 1995, 87 issues)
7. Suicide Squad - Suicide Squad v1 (May 1987 to June 1992, 66 issues)
8. Outsiders - Outsiders v3 (August 2003 to November 2007, 50 issues)