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TEGAM, Inc. is a privately held company specializing in the manufacture and support of a wide variety of test, measurement, and calibration instruments. The company was founded in 1979 by Terry Gambill. In May of 2005, TEGAM was purchased by Andy Brush
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Jingle Phone is a Oak Brook, IL-based company in the Telecommunications sector.
Ligonier Telephone Co is a Ligonier, IN-based company in the Telecommunications sector.
Funke Huster Fernsig is a Edison, NJ-based company in the Telecommunications sector.