Design-Assist Cabinet, Millwork, & Carpentry Remodeling & Repairs Contractor (C-5) Gutters Contractor (C-44a) General Building & Specialty Contractors (BC) Fire Protection Contractor (C-20) Fabricated Metals Solar Hot Water Systems Contractor (C-61a) Solar Energy Systems Contractor (C-61) Sheetmetal Contractor (C-44) Sewer & Drain Line Contractor (C-37a) Plumbing Contractor (C-37) Ornamental, Guardrail, & Fencing Contractor (C-32) Metal Roofing Manufacturer Subcontractors Welding Contractor (C-56) Water Chlorination & Sanitation Contractor (C-37d) Ventilating & Air Conditioning Contractor (C-52) Structural Steel Contractor (C-48)

Electrical Contractor (C-13) Building Moving & Wrecking Contractor (C-24) Asbestos Contractor (C-19) Aluminum & other Metal Shingles Contractor (C-42a) Gutters Contractor (C-44a) General Contractor (B) Sheetmetal Contractor (C-44) Roofing Contractor (C-42) Roof Coatings Contractor (C-42g) Painting & Decorating Contractor (C-33) Subcontractors Wood Shingles & Shakes Contractor (C-42b) Waterproofing Contractor (C-55)