A Dan Harmon/Russo Brothers
From Audiovisual Identity Database
This is the production company of Dan Harmon (who would later form his own sole company, Harmonious Claptrap) and brothers Anthony and Joe Russo. The latter two later founded their own production company, AGBO.
(September 17, 2009-May 17, 2012)
Logo: Depending on the episode, the logo would usually say "A DAN HARMON/RUSSO BROTHERS" with something below it, which varies, for example: "Transportation", "Prophecy", "Tantrum", etc.
Availability: Seen on seasons 1-3 of Community.