Manufacturing:
Chemical
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The United Coke and Gas Company, 1906
Koppers Company: Bartlett Hayward Division, 1941
A. Schulman Inc, 1943
Rubber Reclaimers Association Inc, 1947
Murine Company, 1951
E.I. DuPont De Nemours & Company, 1952
E.I. DuPont de Nemours & Company Inc, 1954
Abbott Laboratories, 1955
Hooker Electrochemical Company, 1955