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LoneStar Freightliner Group is a North Richland Hills, TX-based company in the Manufacturing sector.
R & B Auto Center is a Fontana, CA-based company in the Manufacturing sector.
Tdg Aerospace Inc is a Escondido, CA-based company in the Manufacturing sector.
D&D Instruments is a Minneapolis, MN-based company in the Manufacturing sector.
Even though Sigma Tek has only been around since 1983, it has a long, rich history. People such as Captain Lewis A. Yancy, Rear Admiral Richard E. Byrd, Colonel Jimmy Dolittle and Colonel Charles A. Lindbergh have indirectly been a part of Sigma Tek`s past through their association with EDO Corporation and Aircraft Radio Corporation, know to us today simply as ARC.