Industries Served

• Steel
• Heavy Industry
• Energy
• Plant Facilities and Hospitals

Steel

• United States Steel Corporation
  - Gary Works
  - South Chicago Works
  - E. C. Tin
  - Fairless Works
  - E. T. Works (Mon Valley)
  - Lorain Works
• International Steel Group (LTV)
  - Indiana Harbor Works
  - Chicago Coke Plant
  - Cleveland Works
  - Hennepin Works
  - Aliquippa Works
• ISPAT (Inland Steel Company)
• Republic Engineered Steel
• Double Eagle
• ACME
  - Chicago Plant
  - Riverdale Plant
• J & L Specialty Steels
  - Midland Plant
  - Louisville Plant
  - Detroit Plant
• Nucor
• Wheeling Pittsburgh Steel
• National Steel (US Steel)
  - Great Lakes Works
  - Midwest Steel Plant
  - Granite City Steel