Pittway
Pittway Corporation was a diversified holding company best known as a manufacturer and distributor of professional and consumer fire and burglar alarms. In 1962, Neison Harris became president, after having worked as an executive at Gillette, at a time when the company was transitioning from a trolley operating company to a diversified concern running multiple businesses. Pittway completed its divestment out transportation in 1964 through sale of trolley operations to the Port Authority of Allegheny County, receiving more than for the operations. The demise of the trolley operations could likely be attributed to the rise in personal car purchases. Neison Harris' brother, Irving B. Harris, also played a significant part in the company. Leo Guthart was previously the company's vice-chairman. Among the company's acquisitions in the 1960s were Barr-Stalfort Co., an aerosol cans filler company, Alarm Device Manufacturing Co., and Industrial Publishing Co. It relocated its headquarters to Chicago in 1967. In 1967, the company was renamed to Pittway Corporation. Later, Pittway became best known as a manufacturer and distributor of the First Alert brand of home smoke alarms, professional fire and burglar alarms, and other security systems, and as a real estate firm. It also owned the fire alarm