Texas Instruments
In 1930, J. Clarence Karcher and Eugene McDermott founded Geophysical Service, an early provider of seismic exploration services to the petroleum industry. In 1939, the company reorganized as Coronado Corp., an oil company with Geophysical Service Inc (GSI), now as a subsidiary. On December 6, 1941, McDermott along with three other GSI employees, J. Erik Jonsson, Cecil H. Green, and H.B. Peacock purchased GSI. During World War II, GSI expanded their services to include electronics for the U.S. Army, Signal Corps, and the U.S. Navy. In 1951, the company changed its name to Texas Instruments, with GSI becoming a wholly owned subsidiary of the new company.
Cyrix
Cyrix had always been a fabless company: Cyrix designed and sold their own chips, but contracted the actual semiconductor manufacturing to an outside foundry. In the early days, Cyrix mostly used Texas Instruments production facilities and SGS Thomson (now STMicroelectronics). In 1994, following a series of disagreements with Texas Instruments, and production difficulties at SGS Thomson, Cyrix turned to IBM Microelectronics, whose production technology rivaled that of Intel.