found: Union Tank Car, Cleveland, Texas, 1993:t.p. (Union Tank Car) p. 1 (Union Tank Car; Union Tank Car Company)
found: Its Web site, April 17, 2003(Union Tank Car Company; UTC; Union Tank Car; Union Tank Line Company [no publs. in LC or OCLC database] formed July 14, 1891, by Standard Oil and served only the company's refineries; became independent in 1911 with breakup of Standard Oil; 1919 Union Tank Line changed its name to Union Tank Car Company; 1969 the Trans Union Corporation was formed as the parent holding company; Trans Union Corporation became part of The Marmon Group of companies in 1981)
found: WyDocs ES 1:4/2:Union/2001-209: Before the State Board of Equalization for the State of Wyoming in the matter of the appeal of Union Tank Car Company ..., 2001.
