TigerDirect (also known as TigerDirect.com) is a Systemax subsidiary. It is a direct online retailer of computer electronic items. Tiger Direct also operates seven retail stores in the United States and four in Canada.

TigerDirect has offices in Miami, Florida (corporate headquarters and 2 retail stores); Naperville, Illinois (distribution center, retail store and corporate sales office); Orland Park, Illinois (retail store); Hoffman Estates, Illinois (retail store); Raleigh, North Carolina (retail store and corporate sales office); and Durham, North Carolina (retail store). The online companies OnRebate.com and WorldwideRebates.com perform its rebate processing and are owned its parent company, Systemax

It was founded by Gilbert Fiorentino, Carl Fiorentino and Daniel Brown in 1987 as Tiger Software, a publisher of titles for both Microsoft Windows and Apple Macintosh. Some of the titles published by TigerSoftware included The Typewriter, and PopDrop. In 1989, Tiger Software became a subsidiary of publicly held "Bloc Development Corporation" (NASDAQ:BDEV), founded by Frank Millman. Bloc Development was also the parent company of SoftSync (founded and directed by Ken and Sue Currier), former publisher of the Macintosh accounting software "Accountant Inc." and Bloc Publishing (headed by Gilbert Fiorentino). It was later spun off as "Tiger Direct" (NASDAQ:TIGR), and in 1996, it changed its public representation to Systemax (NYSE: SYX).