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United Coke and Gas Co

The United Coke and Gas Company, 1906

Koppers Company

Koppers Company: Bartlett Hayward Division, 1941

scrap rubber

A. Schulman Inc, 1943

Rubber Reclaimers Association

Rubber Reclaimers Association Inc, 1947

Murine Company

Murine Company, 1951

E.I. DuPont De Nemours and Co

E.I. DuPont De Nemours & Company, 1952

E.I. DuPont De Nemours and Co

E.I. DuPont de Nemours & Company Inc, 1954

Abbott Laboratories

Abbott Laboratories, 1955

Hooker Electrochemical Company

Hooker Electrochemical Company, 1955

Harshaw Chemical Company

The Harshaw Chemical Company, 1956

Stackpole Carbon Co

Stackpole Carbon Co., 1956

Benjamin Moore

Benjamin Moore & Co., 1958

Rohm and Haas Company

Rohm & Haas Company, 1959