1. Chicago Fire, 15 (1998, 2000-01, 2003-06, 2008, 2011, 2013-16, 2018, 2023)
2. LA Galaxy, 14 (1999-2003, 2005-06, 2010-11, 2013-15, 2022-23)
3. Houston Dynamo, 7 (2006, 2009-10, 2015-16, 2018, 2023)
4. Real Salt Lake, 4 (2011, 2013, 2015, 2023)
5. FC Cincinnati, 2 (2017, 2023)
5. *Pittsburgh Riverhounds, 2 (2001, 2023)
7. Birmingham Legion, 1 (2023)
7. Inter Miami, 1 (2023)
*Riverhounds' 22 years between quarterfinal appearances are most in MLS era.