Complex sentence: The name comes from the fact that most Orangeburg pipe was manufactured in Orangeburg, New York by the Fiber Conduit Company, which changed their name to the Orangeburg Manufacturing Company in 1948.
Split into simpler sentences: The name comes from Orangeburg, New York, the town in which most Orangeburg pipe was manufactured. It was manufactured largely by the Fiber Conduit Company, which changed its name to the Orangeburg Manufacturing Company in 1948.