CONTRACTOR LICENSE CLASSIFICATION CODES

A General Engineering Contractor

B General Building Contractor

C Specialty Contractor

C02 Insulation and Acoustical Contractor
C04 Boiler, Hot-Water Heating System Fitting Contractor
C05 Carpentry, Cabinet, and Millwork Contractor
C07 Low Voltage Systems Contractor
C08 Concrete Contractor
C09 Drywall Contractor
C10 Electrical Contractor
C11 Elevator Contractor
C12 Earthwork and Paving Contractor
C13 Fencing Contractor
C15 Flooring and Floor Covering Contractor
C16 Fire Protection Contractor
C17 Glazing Contractor
C20 Warm-Air Heating, Ventilation, and Air-Conditioning       Contractor
C21 Building Moving/Demolition Contractor
C23 Ornamental Metal Contractor
C27 Landscaping Contractor
C28 Lock and Security Equipment Contractor
C29 Masonry Contractor
C31 Construction Zone Traffic Control Contractor
C32 Parking and Highway Improvement Contractor
C33 Painting and Decorating Contractor
C34 Pipeline Contractor
C35 Lathing and Plastering Contractor
C36 Plumbing Contractor
C38 Refrigeration Contractor
C39 Roofing Contractor
C42 Sanitation System Contractor
C43 Sheet Metal Contractor
C45 Electrical Sign Contractor
C46 Solar Contractor
C47 General Manufactured Housing Contractor
C50 Reinforcing Steel Contractor
C51 Structural Steel Contractor
C53 Swimming Pool Contractor
C54 Ceramic and Mosaic Tile Contractor
C55 Water Conditioning Contractor
C57 Well Drilling Contractor
C60 Welding Contractor
C61 Limited Specialty Contractor

D03 Awnings
D04 Central Vacuum Systems
D06 Concrete-Related Services
D09 Drilling, Blasting, and Oil Field Work
D10 Elevated Floors
D12 Synthetic Products
D16 Hardware, Locks, and Safes
D21 Machinery and Pumps
D24 Metal Products
D28 Doors, Gates, and Activating Devices
D29 Paperhanging
D30 Pile Driving/Pressure Foundation Jacking
D31 Pole Installation and Maintenance
D34 Prefabricated Equipment
D35 Pool and Spa Maintenance
D38 Sand and Water Blasting
D39 Scaffolding
D40 Service Station Equipment and Maintenance
D41 Siding and Decking
D42 Sign Installation
D49 Tree Service
D50 Suspended Ceilings
D52 Window Coverings
D53 Wood Tanks
D56 Trenching
D59 Hydroseed Spraying
D62 Air and Water Balancing
D63 Construction Cleanup
D64 Nonspecialized
D65 Weatherization and Energy Conservation

ASB Asbestos Certification

HAZ Hazardous Substance Removal Certification

HIC Home Improvement Certification