Contractor Classifications

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