(A) General Engineering Contractor
(B) General Building Contractor
(B-2) Residential Remodeling Contractor
(C) Specialty Contractor
- C-2 - Insulation and Acoustical Contractor
- C-4 - Boiler, Hot Water Heating and Steam Fitting Contractor
- C-5 - Framing and Rough Carpentry Contractor
- C-6 - Cabinet, Millwork and Finish Carpentry Contractor
- C-7 - Low Voltage Systems Contractor
- C-8 - Concrete Contractor
- C-9 - Drywall Contractor
- C-10 - Electrical Contractor
- C-11 - Elevator Contractor
- C-12 - Earthwork and Paving Contractors
- C-13 - Fencing Contractor
- C-15 - Flooring and Floor Covering Contractors
- C-16 - Fire Protection Contractor
- C-17 - Glazing Contractor
- C-20 - Warm-Air Heating, Ventilating and Air-Conditioning Contractor
- C-21 - Building Moving/Demolition Contractor
- C-22 - Asbestos Abatement Contractor
- C-23 - Ornamental Metal Contractor
- C-27 - Landscaping Contractor
- C-28 - Lock and Security Equipment Contractor
- C-29 - Masonry Contractor
- C-31 - Construction Zone Traffic Control Contractor
- C-32 - Parking and Highway Improvement Contractor
- C-33 - Painting and Decorating Contractor
- C-34 - Pipeline Contractor
- C-35 - Lathing and Plastering Contractor
- C-36 - Plumbing Contractor
- C-38 - Refrigeration Contractor
- C-39 - Roofing Contractor
- C-42 - Sanitation System Contractor
- C-43 - Sheet Metal Contractor
- C-45 - Sign Contractor
- C-46 - Solar Contractor
- C-47 - General Manufactured Housing Contractor
- C-50 - Reinforcing Steel Contractor
- C-51 - Structural Steel Contractor
- C-53 - Swimming Pool Contractor
- C-54 - Ceramic and Mosaic Tile Contractor
- C-55 - Water Conditioning Contractor
- C-57 - Well Drilling Contractor
- C-60 - Welding Contractor
- C-61 - Limited Specialty
