This industry comprises establishments primarily engaged in building foundation and structure trades work (except poured concrete, structural steel, precast concrete, framing, masonry, glass and glazing, roofing, and siding). The work performed may include new work, additions, alterations, maintenance, and repairs. Illustrative Examples: Curtain wall, metal, installation Forms for poured concrete, erecting and dismantling Welding, on-site, contractors Ornamental metal work installation Fire escape installation Decorative steel and wrought iron work installation Establishments primarily engaged in--

Including:

• Awning installation
• Balcony, metal, installation
• Cathodic protection, installation
• Concrete form contractors
• Curtain wall, metal, installation
• Deck and grate (except roof), metal, installation
• Decorative steel and wrought iron work installation
• Epoxy application contractors
• Erection and dismantling, poured concrete form
• Falsework construction
• Fire escape installation
• Forming contractor
• Forms for poured concrete, erecting and dismantling
• Metal furring contractors
• Ornamental metal work installation
• Shutter installation
• Stairway, metal, installation
• Storefront, metal or metal frame, installation
• Urethane slabjacking contractors
• Urethane soil stabilization contractors
• Welding, on-site, contractors