Until c. 1946 the Wyoming Railway Company was a subsidiary of the Wyoming Company, a non-railroad company, incorporated February 2, 1910 in South Dakota as a holding company. The Wyoming Company engaged in operating a railroad, mining coal, and ranch activities through the following subsidiaries: Wyoming Railway Company, Buffalo Wyoming Coal Company, and the Northern Wyoming land Company. Its General Office was in Cedar Rapids, Iowa. At this time the Wyoming Railway's General Office was also in Cedar Rapids, Iowa.
