Complex sentence: The Westmoreland plant was subsequently used by Sony in the production of televisions from 1990--2008 and as of 2014, the site is promoted as RIDC Westmoreland, and is owned by RIDC, the Regional Industrial Development Corporation of Southwestern Pennsylvania.
Split into simpler sentences: The Westmoreland plant was subsequently used by Sony in the production of televisions from 1990--2008. As of 2014, the site is called RIDC Westmoreland and is owned by RIDC, the Regional Industrial Development Corporation of Southwestern Pennsylvania.