C Spire, formerly known as Cellular South, Inc., is a privately owned technology company headquartered in Ridgeland, Mississippi. The company consists of three business divisions – C Spire Wireless, C Spire Home Fiber, and C Spire Business. C Spire Home Fiber, which launched one of the nation's first Gigabit speed Fiber to the Home efforts in 2013, provides 1,000 Megabits per second residential fiber internet access for thousands of consumers in Mississippi and Alabama.