Seinfeld was produced by Castle Rock Entertainment. In syndication the series has been distributed by Sony Pictures Television since 2002. It was largely co-written by David and Seinfeld with script writers, who included Larry Charles, Peter Mehlman, Gregg Kavet, Andy Robin, Carol Leifer, David Mandel, Jeff Schaffer, Steve Koren, Jennifer Crittenden, Tom Gammill, Max Pross, Dan O'Keefe, Charlie Rubin, Marjorie Gross, Alec Berg, Elaine Pope, and Spike Feresten.