SPX Corporation
SPX Corporation is a supplier of infrastructure equipment in heating, ventilation and air conditioning, and detection and measurement markets.History
SPX was founded in 1912 in Muskegon, Michigan, as the Piston Ring Company by Paul E Johnson.
After acquiring Accuralite Company in 1931, the company changed its name to "Sealed Power Corporation" and also started manufacturing piston rings, pistons and cylinder sleeves for various military applications.
In 1988 the company changed its name to SPX Corporation. For the next 10 years, they remained a U.S.-centric automotive component manufacturer with nearly $1 billion in sales.
In 2012, SPX president Charles E Johnson II sold its Service Solutions business for approximately 2.25 billion dollars to Robert Bosch GmbH.
