Hi List, I, too, am researching steel mills. In the 1920 Census Avon Township, my father, age 21, gives his occupation as "helper, steel mills." I've found this (below) for Cromwell Steel. Richelle Parma, OH extracted from: http://homepages.rootsweb.com/~usbios/Ohio/bios/cuyahoga/griffithses.txt Bio of Edwin S. Griffiths from Cleveland Special Limited Edition, The Lewis Publishing Company, Chicago & New York, 1918 v. 1pg. 69 Mr. Griffiths is president of The Buckeye Engine Company at Salem, Ohio, manufacturers of Steam and gas engines, and this industry has 750 people on the payroll. The [sic] is vice president of The Cromwell Steel Company of Lorain County. The plant of this company is now in course of construction and operations will start September 1, 1917. The company will manufacture open hearth steel and the plans are to start the business with 1,000 workmen.