79. NWN Corporation

2016 Rank: 68

Top Executive: Skip Tappen, President & CEO

Location: Waltham, Mass.

www.nwnit.com

NWN designs and delivers solutions for data center, networking, unified communications, collaboration and end-user computing. The firm also offers security solutions, along with custom applications. In November, NWN announced that it had acquired Collabramind LLC, a highly respected Cisco contact center specialist.