Union Pacific Stages
Formed in 1927 as a bus subsidiary of Union Pacific Railroad.
Through acquisitions, formed a main route from Portland to Spokane.
Incorporated in 1921, acquired in 1929 by Union Pacific Railroad and Chicago & North Western Railroad as a joint bus subsidiary.
Operated throughout Iowa and Nebraska, and from Kansas City to Denver via US Hwy. 40.
Interstate Transit subsequently acquired the following companies:
Formed in 1930 as bus subsidiary of Cedar Rapids & Iowa City Railway, acquired in 1934.
Operated from Chicago to Denver.
Fort Dodge Des Moines & Southern Transportation Co.
Formed in 1925 as bus subsidiary of Fort Dodge Des Moines & Southern Railway, acquired in 1931.
Main route operated from Fort Dodge to Des Moines.
Kansas City Clay County & St. Joseph Auto Transit Co.
Formed as bus subsidiary of Kansas City Clay County & St. Joseph Railway, acquired in 1934.
Operated from Kansas City to Excelsior Springs and St. Joseph.
In 1932, Union Pacific Stages acquired routes from the following companies:
Formed in 1929 as a company jointly owned by Pickwick Stages and Greyhound. Pickwick Stages had been incorporated in 1912. In 1932, Pickwick-Greyhound Lines was renamed Western Greyhound Lines. And in 1933, Western Greyhound Lines was merged into Southwestern Greyhound Lines.
Operated from Denver to Salt Lake City and from Salt Lake City to Los Angeles.
Formed in 1925 as a group of independent operators, in a failed attempt to operate a transcontinental bus system. Routes eventually assumed by various Greyhound companies, including by Pickwick-Greyhound Lines in 1929.
Operated from Chicago and Denver to Salt Lake City and Los Angeles.
Northern Illinois Service Co.
Incorporated in 1924, and was controlled by Greyhound predecessor Motor Transit Co., acquired in 1928 by Royal Rapid Transit Co., acquired in 1930 by Mohawk Stage Lines and renamed Pickwick-Greyhound Lines of Illinois.
Operated from Chicago to Rock Island and from Dixon to Rockford.
Columbia Gorge Motor Coach Co.
Incorporated in 1926, acquired in 1928 as a subsidiary of Greyhound predecessor Motor Transit Corp.
Through acquisitions, formed a main route from Salt Lake City to Portland and from Salt Lake City to Yellowstone Park.
Pioneer Southwestern Stages
Acquired in 1928 as a subsidiary of Greyhound predecessor Motor Transit Corp.
Operated from Denver to Los Angeles.
In 1943, all companies began operating under the name Overland Greyhound Lines.
Overland Greyhound Lines consolidated in 1956 into Northland Greyhound Lines, subsequently consolidated in 1957 into Central Division of Greyhound.