Rounder was responsible for the manufacturing and distribution of They Might Be Giants releases, working in conjunction with Idlewild Recordings. Rounder has issued the following They Might Be Giants and John Linnell releases:
- State Songs (1999)
- Montana (Single) (1999)
- No! (2002)
- The Else (LP) (2007)
- Join Us and Join Us (Four Advance Tracks) (2011)
- Can't Keep Johnny Down (Promo) (2011)
Rounder is also the parent company of the Zoë Records label, under which TMBG has released several albums.
In 2013, TMBG switched to Megaforce Records as their manufacturing and distribution label.