Allegheny Technologies

Allegheny Technologies is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Steel Manufacturers
• Blast Furnaces & Steel Mills
• Metals Service Centers & Offices

North American Industry Classification System (NAICS) Categories:

• Iron And Steel Mills
• Steel Foundries (Except Investment)
• Metal Service Centers And Other Metal Merchant Wholesalers

Standard Industry Classification (SIC) Categories:

• Blast Furnaces & Steel Mills
• Steel Foundries, Nec
• Metals Service Centers & Offices