Wolverine Tube Division - Tubing - Billboard
The Perolin Company - For Better Maintenance
Magnetic Seperators - Ferro Filter
Pittsburgh Coke & Chemical Company - Coal - Carbon - Cement
USS - United States Steel - Gary
Hot Rolled Steel - Central Steel & Wire Company
Metals - Brass - Bronze - Copper - Aluminum - Monel - Nickel
Victor Gaskets - Oil Seals - Globe
Anaconda - Brass Company - Metals
Amercut - Cold Finished Steel Bars
