Official definition

This industry comprises establishments primarily engaged in structural framing and sheathing using materials other than structural steel or concrete. The work performed may include new work, additions, alterations, maintenance, and repairs. Illustrative Examples: Building framing (except structural steel) Post framing contractors Foundation, building, wood, contractors Steel framing contractors Framing contractors Wood frame component (e.g., truss) fabrication on site Cross-References. Establishments primarily engaged in--