Railroad Bridge Company ended in 1866.
Quincy Railroad Bridge Company ended in 1903.
Railroad Bridge Company was created in 1853.
Quincy Memorial Bridge was created in 1928.
Gauley Bridge Railroad Station ended in 1958.
Brodhead's Bridge Railroad Station ended in 1912.
Shelby Iron Company Railroad ended in 1892.
Keithsburg Bridge Company ended in 1901.
Sibley Bridge Company ended in 1900.
Quincy Bridge Company ended in 1866.
Utah Southern Railroad Extension Company ended in 1881.
Pee Dee Bridge Company ended in 1915.
Mercer County Bridge Company ended in 1885.