Company.com

Company.com is a social network and resource hub for small businesses. The Atlanta-based firm lets executives interact with employees, distributors, and other partners. It also sells tools such as payments processing or legal assistance. Since launching the business seven years ago, co-founder and CEO Bill Wade helped to grow sales to more than $33 million in 2015, up from just $131,481 in 2012. That massive 23,486 percent growth rate lands Company.com on the 2016 Inc. 5000 list at No. 5 (previously, in 2015, it made the list at No. 10.) Wade made some big adjustments in the past year, including opening up a sales office in Chicago.