The Golisanos – $3.1B
Younger business owners likely know about Paychex, which is owned by Tom Golisano. It is one of the leading payroll service providers in the country with half a billion users. It was founded in the 1970s on just a couple of thousand dollars. Within the same decade, it became an enigma. In 2010, it hit the $2 billion marker. Although he no longer runs the company on a daily basis, he is busy as the owner of the Buffalo Sabres and the Buffalo Bandits.

The Golisanos – $3.1B