Additional bus companies, listed as existing during 1930's, are mentioned in the WPA American Guide Series of state guidebooks.
Additional information is from the "Opinions and Orders" from the Illinois Commerce Commission.
Exemplar Stages - as of 1952, served Aurora to Rockford and intermediate points.
Bee Line Transit Corp. - service introduced in 1939. Connected Danville with Westville, Georgetown, Batestown, Tilton, was first company formed by Giacoma brothers to become part of American Transit Corp.
Hoopeston Bus Co. - as of 1952, connected Danville with Hoopeston, city service in Hoopeston.
Rantoul Transit Co. - as of 1952, suburban served Rantoul, Chanute Field.
Farmington Bus Co. - as of 1952, connected Peoria with Farmington, Trivoli, Hanna City.
White Star Motor Coach Lines - service introduced in 1923, as of 1952 connected Peoria with Chillicothe, Farmington, Canton.
Suburban Transportation - as of 1952, served Decatur and suburbs.
Burkitt-Hall Bus Line - as of 1952, served Zeigler, Cleabourne, Christopher, Buckner, West City, Benton.
M.&W.L. Bus Lines - as of 1952, served Murphysboro to Wolf Lake.
Travelstead Transportation Co. - service introduced in 1938 between Harrisburg and area mines, sold in 1941 to Harrisburg-Dorrisville Bus Co.
Jackson Bus Line - as of 1952, served Hamilton, Warsaw, Keokuk IA.