Which sentence is punctuated correctly?
a. As reported in Forbes, the happiest companies to work for are; Keller Williams Realty, Nike, and Total Quality Logistics.
b. As reported in Forbes, the happiest companies to work for are: Keller Williams Realty, Nike, and Total Quality Logistics.
c. As reported in Forbes, the happiest companies to work for are Keller Williams Realty, Nike, and Total Quality Logistics.
(c) As reported in Forbes, the happiest companies to work for are Keller Williams Realty, Nike, and Total Quality Logistics.