1902-1904 - Danville Urbana & Champaign Railway Co.
1904-1904 - Illinois Central Traction Co. (Decatur-Springfield)
1904-1904 - St. Louis & Springfield Railway Co.
1906-1906 - Bloomington Decatur & Champaign Railroad Co.
1906-1906 - Peoria Bloomington & Champaign Traction Co.
1906-1906 - Peoria Lincoln & Springfield Traction Co.
1904-1923 - Illinois Traction Co.
1923-1937 - Illinois Power & Light Co.
1937-1958 - Illinois Terminal Railroad Co.
Interurban lines:
Danville-Ridge Farm (constructed 1901-1905, discontinued 1936)
Danville-Catlin (constructed 1902, discontinued 1937)
Homer branch (constructed 1904, discontinued 1929)
Danville-Champaign (constructed 1902-1903, discontinued 1953)
Champaign-Decatur (constructed 1907, discontinued 1955)
Decatur-Springfield (constructed 1904, discontinued 1955)
Decatur-Bloomington (constructed 1905-1906, discontinued 1953)
Bloomington-Peoria (constructed 1907, discontinued 1953)
Peoria-Springfield (constructed 1906-1908, discontinued 1956)
Springfield-Granite City (constructed 1904-1906, discontinued 1956)
Granite City-St. Louis (constructed 1910, discontinued 1958)
Staunton-Hillsboro (constructed 1905, discontinued 1939)