Quincy Railroad Bridge Company ended in 1903.
Quincy Bridge Company ended in 1866.
Railroad Bridge Company ended in 1866.
Brodhead's Bridge Railroad Station ended in 1912.
Gauley Bridge Railroad Station ended in 1958.
Shelby Iron Company Railroad ended in 1892.
Keithsburg Bridge Company ended in 1901.
Sibley Bridge Company ended in 1900.
Utah Southern Railroad Extension Company ended in 1881.
Michigan Central Bridge Company ended in 1898.
Detroit River Bridge Company ended in 1905.
Pee Dee Bridge Company ended in 1915.
Mercer County Bridge Company ended in 1885.