The North American Company was a holding company incorporated in New Jersey on June 14, 1890, and controlled by Henry Villard, to succeed to the assets and property of the Oregon and Transcontinental Company. It owned public utilities and public transport companies and was broken up in 1946, largely to comply with the Public Utility Holding Company Act of 1935.

The Union Electric Company of Missouri was an electric power utility that was organized in 1902 and grew to be one of the large U.S. companies listed among the S&P 500. In 1997, its holding company merged with a smaller neighboring utility, Central Illinois Public Service Company through its holding company, CIPSCO Inc., to form Ameren Corporation based in St. Louis, Missouri.