Columbus 81 Productions
From the Audiovisual Identity Database, the motion graphics museum
Background
This is the production company of Seinfeld creator, Jerry Seinfeld.
Logo (February 28, 2010-)
Visuals: On an white background with squares with an blue rectangle with an grey outline with borders, with text reading "COLUMBUS 81", we see an train passing by. After a few seconds, the train goes away, and reveals the logo. The logo shines.
Technique: 2D computer animation.
Audio: The sound of an train passing by. Otherwise, the closing theme of the show. NBC airings of The Marriage Ref uses an NBC generic announcement.
Availability: Seen on The Marriage Ref, as well as Jerry Seinfeld: 23 Hours to Kill.