PRIMARY – 236220 – Contractors Commercial and Institutional Building Contractors

238990 – All other Specialty Trade Contractors

238310 – Drywall and insulation Contractors

238160 – Drywall and Insulation Contractors

238340 – Tile and Terrazzo Contractors

238910 – Site Preparation Contractors

238320 – Painting and Wall Covering Contractors

238220 – Plumbing, Heating, and Air Conditioning

561740 – Carpet and Upholstery Cleaning Services

237310 – Highway, Street, and Bridge Construction

488490 – Other Support Activities for Road transportation

332912 – Fluid Power Valve and Hose Fitting Manufacturing

332323 – Ornamental and Architectural Metal Work Manufacturing

238190 – Other Foundation, Structure, and Building Exterior Contractors

238210 – Electrical Contractors and other Wiring Installation Contractors

561720 – Janitorial Services

561730 – Landscaping Services

238330 – Flooring Contractors

238350 – Roofing Contractor

236118 – Residential Remodelers