Who built locomotives in Philadelphia?

* Baldwin Locomotive Works was founded in 1825 and was one of the largest locomotive builders in the world. It produced over 70,000 locomotives before closing in 1956.

* The Pennsylvania Railroad was also a major locomotive builder, producing over 12,000 locomotives at its Altoona Works between 1869 and 1947.

* The Philadelphia and Reading Railroad also built locomotives at its Reading shops between 1842 and 1911.

* The Baldwin-Westinghouse Electric Company was formed in 1907 as a joint venture between Baldwin Locomotive Works and Westinghouse Electric Corporation. It built electric locomotives and other electrical equipment until 1932.

* The General Electric Company built electric locomotives at its Erie, Pennsylvania, plant between 1907 and 1985.