2016 Rank: 51
Top Executive: John Zettel, CEO
Location: Tampa, Fla.
AVI-SPL is a red-hot systems integrator that is quickly approaching the $1 billion revenue mark. The unified communications specialist was acquired by private equity firm H.I.G. Capital in April 2016 and has since made multiple acquisitions, including that of broadcasting platform specialist VideoLink in January and of Anderson Audio Visual in November.