2014 Rank: 51
Top Executive: John Zettel, CEO
Location: Tampa, Fla.
AVI-SPL cracked the top 50 of the SP 500 after barely missing the cut last year. The Tampa, Fla.-based VAR jumped from No. 51 last year to No. 46 this year. AVI-SPL specializes in audio and video enterprise communications solutions. Over the last two years, the company has been expanding its global presence into Europe in addition to broadening its portfolio to feature more cloud-based communications solutions and software.