National Stair

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

• Fabrication Steel
• Stair Builders

North American Industry Classification System (NAICS) Categories:

• Other Building Finishing Contractors > Stairs, Balcony, Terrace & Steeple Contractors > Stair Builders
• Iron And Steel Mills > Steel Fabrication & Processing > Fabrication Steel

Standard Industry Classification (SIC) Categories:

• Special Trade Contractors, Nec > Stairs, Balcony, Terrace & Steeple Contractors > Stair Builders
• Blast Furnaces & Steel Mills > Steel Fabrication & Processing > Fabrication Steel