 By 1910 , the city was also the home of a car manufacturing company , the New Kensington Automobile Company . In addition , the Pittsburg [ sic ] Motor Car Company had established a production plant for its Pittsburg Six model in New Kensington . By 1904 , the American Tin Plate Company ( capital stock owned by the United States Steel Corporation ) had established the six facilities of the Pittsburgh Mills and six of the Pennsylvania Mills in New Kensington . 
