McMakin Motor Coaches
Operated from Floydada to Childress TX.
Red Star Coaches
Operated from Clovis NM to Vernon TX, Lubbock TX to Frederick OK, Floydada to Childress TX.
Altus Vernon Bus Line
Texas New Mexico Bus Line
Operated from Clovis NM to Monahans TX.
The above companies were merged in 1937 into McMakin Motor Coaches.
Subsequently acquired the following company:
South Plains Coaches
Acquired in 1939.
Operated routes radiating from Lubbock.
McMakin Motor Coaches renamed in 1939 to TNM&O (Texas New Mexico & Oklahoma) Coaches. In 1988, TNM&O Coaches became a subsidiary of Greyhound, and in 2008 was fully consolidated into Greyhound.