The 1906 charter league member teams were Camden, the Darlington Fiddlers, Georgetown, Manning, the Orangeburg Cotton Pickers and Sumter Gamecocks.
The league added the Anderson Electricians, Greenville Mountaineers and Spartanburg Spartans as new franchises.
Completing the 1907 season with four teams, the Sumter Game Cocks won the league championship with a 44–23 record.
Sumner finished ahead of the Orangeburg Cotton Pickers (42–25), Spartanburg Spartans (36–24) and Darlington/Florence Fiddlers (23–45) in the standings and were champions as the league held no playoffs.
The Sumter Gamecocks defended their title, posting a 41–27 regular season record, as the league held no playoffs.