1906-1931 - Lewisburg & Ronceverte Railway
Interurban lines:
Lewisburg-Ronceverte (1906-1931)
1907-1912 - Fairmont & Clarksburg Traction Co.
1910-1911 - Fairmont & Mannington Railroad Co.
1912-1921 - Monongahela Valley Traction Co.
1921-1923 - Monongahela Power & Railway Co.
1923-1944 - Monongahela West Penn Public Service Co.
1944-1956 - City Lines of West Virginia
Interurban lines:
Fairmont-Clarksburg (1907-1947)
Clarksburg-Weston (1913-1947)
Fairmont-Mannington (1910-1933)
Fairmont-Fairview (1911-1933)
1902-1916 - Parkersburg Marietta & Interurban Railroad Co.
1916-1920 - Kanawha Valley Traction & Electric Co.
1920-1923 - Monongahela Valley Traction Co.
1923-1944 - Monongahela West Penn Public Service Co.
1944-1956 - City Lines of West Virginia
Interurban lines:
Parkersburg-Marietta (1903-1947)
Marietta-Beverly OH (1908-1929)
Replacement bus companies:
Monongahela Transport Co. (1925-1944)
City Lines of West Virginia (after 1944)
1903-1918 - Parkersburg & Ohio Valley Electric Railway Co.
Interurban lines:
Sistersville-Friendly (1903-1918)
1913-1929 - Tyler Traction Co.
Interurban lines:
Sistersville-Middlebourne (1913-1929)
1903-1908 - Wetzel & Tyler Railroad Co.
1908-1925 - Union Traction Co.
Interurban lines:
Sistersville-New Martinsville (1903-1925)
1916-1928 - Princeton Power Co.
1928-1946 - Tri-City Traction Co.
Interurban lines:
Princeton-Bluefield (1916-1946)
1908-1910's - Wellsburg Bethany & Washington Traction Co.
1910's-1916 - Wellsburg Bethany & Washington Railroad Co.
1916-1926 - Wellsburg Bethany & Washington Railway Co.
Interurban lines:
Wellsburg-Bethany (1908-1926)