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Omaha Marine Ctr is a Omaha, NE-based company in the Manufacturing sector.
Automatic Power/Pharos Marine Group is the world leader in aids to navigation with a track record that is more than a century old.
Lewis River Motor Co is a Woodland, WA-based company in the Manufacturing sector.
Martin Bird is a Annapolis, MD-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.