Established in the year 1951 and headquartered in Dallas, Texas, United States, Texas Instruments Incorporated is the world's third largest semiconductor manufacturing company after Intel and Samsung. The company is also world's second largest for supplying chips for cellular handsets. Texas Instruments Incorporated manufactured various equipments for use in defense electronics and seismic industry. The company is also responsible for developing the first infrared technology for defense radars and also pioneered in technologies like silicon transistors, radar system and guidance and control system for both bombs and missiles. After 1970, they started concentrating on consumer electronics like watches, digital clocks, hand-held calculators and home computers. The company is having a combined portfolio of nearly 45,000 analog products and its ranking among Fortune 500 list of companies is currently 175.