Names
- Lake County Railroad.1
- Lake George and Muskegon River Railroad Company.1
- Lake Superior and Ishpeming Railway Company.1
- Lamb, Jonathan.1
- Landon, Rufus W., 1815-1886.1
- Lathrop, H. B., 1808-1890.1
- Lawrence family.1
- Lawrence, Edwin A.1
- Lawrence, William Wolcott.1
- Ledyard, Henry, 1812-1880.1
- Lehigh Valley Railroad Company1
- Lincoln, Abraham, 1809-1865.1
- Little Miami Railroad Company1
- Lobdell-Bailey Manufacturing Company.1
- Logansport and Toledo Railway Company1
- Long Island Railroad Company1
- Lothrop, Edwin H., 1806-1874.1
- Lothrop, George Van Ness, 1817-1897.1
- Loud Bros.1
- Louis Sands Salt and Lumber Company (Manistee, Mich.)1