Open Joist

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

• Wood Technologists
• Woodworking

North American Industry Classification System (NAICS) Categories:

• Framing Contractors > Woodworking
• Finish Carpentry Contractors > Woodworking
• All Other Miscellaneous Wood Product Manufacturing > Woodwork

Standard Industry Classification (SIC) Categories:

• Carpentry Work > Woodworking
• Wood Products, Nec > Woodwork
• Wood Products, Nec > Wood Products Manufactures > Wood Technologists