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Contractor Classifications

Primary Classifications
    E100 General Engineering Contractor
    B100 General Building Contractor
    B200 Modular Unit Installation Contractor
    R100 Residential and Small Commercial Contractor
    R200 Factory Built Housing Contractor
    I101 General Engineering Trades Instructor
    I102 General Building Trades Instructor
    I103 Electrical Trades Instructor
    I104 Plumbing Trades Instructor
    I105 Mechanical Trades Instructor
    S200 General Electrical Contractor
    S210 General Plumbing Contractor
    S220 Carpentry Contractor
    S230 Siding Contractor
    S240 Glass and Glazing Contractor
    S250 Insulation Contractor
    S260 General Concrete Contractor
    S270 General Drywall and Plastering Contractor
    S280 General Roofing Contractor
    S290 General Masonry Contractor
    S300 General Painting Contractor
    S310 Excavation and Grading Contractor
    S320 Steel Erection Contractor
    S330 Landscaping Contractor
    S340 Sheet Metal Contractor
    S350 HVAC Contractor
    S360 Refrigeration Contractor
    S370 Fire Suppression Systems Contractor
    S380 Swimming Pool and Spa Contractor
    S390 Sewer and Water Pipeline Contractor
    S400 Asphalt Paving Contractor
    S410 Pipeline and Conduit Contractor
    S420 General Fencing, Ornamental Iron and Guardrail Contractor
    S430 Metal Firebox and Fuel Burning Stove Installer
    S440 Sign Installation Contractor
    S450 Mechanical Insulation Contractor
    S460 Wrecking and Demolition Contractor
    S470 Petroleum System Contractor
    S480 Piers and Foundations Contractor
    S490 Wood Flooring Contractor
    S500 Sports & Athletic Courts, Running Tracks, and Playground Installation Contractor
    S600 General Stucco Contractor
    S700 Specialty License Contractor
Sub classifications
    R101 Residential and Small Commercial Nonstructural Remodeling and Repair Contractor
    S201 Residential Electrical Contractor
    S202 Solar Photovoltaic Contractor
    S211 Boiler Installation Contractor
    S212 Irrigation Sprinkling Contractor
    S213 Industrial Piping Contractor
    S214 Water Conditioning Equipment Contractor
    S215 Solar Thermal Systems Contractor
    S216 Residential Sewer Connection and Septic Tank Contractor
    S217 Residential Plumbing Contractor
    S221 Cabinet, Millwork, Countertop Installation Contractor
    S222 Overhead and Garage Door Opener Contractor
    S231 Raingutter Installation Contractor
    S261 Concrete Form Setting and Shoring Contractor
    S262 Gunnite and Pressure Grouting Contractor
    S263 Cementations Coating Systems, Resurfacing & Sealing
    S272 Ceiling Grid Systems, Ceiling Tile and Panel Systems Contractor
    S273 Light - weight Metal and Non - bearing Wall Partitions Contractor
    S291 Stone Masonry Contractor
    S292 Terrazzo Contractor
    S293 Marble, Tile and Ceramic Contractor
    S294 Cultured Marble Contractor
    S321 Steel Reinforcing Contractor
    S322 Metal Building Erection Contractor
    S323 Structural Stud Erection Contractor
    S351 Refrigerated Air Conditioning Contractor
    S352 Evaporative Cooling Contractor
    S353 Warm Air Heating Contractor
    S421 Residential Fencing Contractor
    S441 Non Electrical Outdoor Advertising Sign Contractor
    S491 Laminate Floor Contractor


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