Scribd is perceived as one of Serial Box Publishing, Inc.'s biggest rivals. Scribd was founded in 2007, and its headquarters is in San Francisco, California. Like Serial Box Publishing, Inc., Scribd also works within the Media, Entertainment and Arts field. Scribd has 375 more employees than Serial Box Publishing, Inc..
Audiobooks is one of Serial Box Publishing, Inc.'s top rivals. Audiobooks is a Private company that was founded in 2011 in Burlington, Ontario. Like Serial Box Publishing, Inc., Audiobooks also competes in the Publishing sector. Compared to Serial Box Publishing, Inc., Audiobooks has 20 more employees.
Playster is Serial Box Publishing, Inc.'s #3 rival. Playster is a Private company that was founded in Montreal, Quebec in 2014. Like Serial Box Publishing, Inc., Playster also operates in the Media, Entertainment and Arts sector. Playster has 8 fewer employees vs. Serial Box Publishing, Inc..