Keystone Foundry Division

Keystone Foundry Division is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Foundries
• Foundries Aluminum Brass Bronze Magnesium Etc

North American Industry Classification System (NAICS) Categories:

• Steel Foundries (Except Investment)
• Aluminum Foundries (Except Die-Casting)

Standard Industry Classification (SIC) Categories:

• Steel Foundries, Nec
• Aluminum Foundries