PRIMARY CLASSIFICATION A – GENERAL ENGINEERING
SUBCLASSIFICATIONS
A1 |
|
AIRPORTS |
A2 |
|
HIGHWAYS |
A3 |
|
DAMS AND RESERVOIRS |
A4 |
|
BRIDGES |
A5 |
|
DIAMOND AND CORE DRILLING |
A6 |
|
DRILLING OF OIL, GAS AND EXPLORATORY WELLS |
A7 |
|
EXCAVATING AND GRADING |
A8 |
|
SEALING AND STRIPING OF IMPERMEABLE PAVING SURFACES |
A9 |
|
PIERS AND FOUNDATIONS |
A10 |
|
COMMERCIAL AND RESIDENTIAL POOLS |
A10A |
|
RESIDENTIAL POOLS |
A10B |
|
RESIDENTIAL SPAS |
A10C |
|
REPAIR OF POOLS AND SPAS |
A10D |
|
POOLS AND SPAS OF FIBERGLASS |
A10E |
|
MAINTENANCE AND REPAIR OF POOLS AND SPAS |
A10F |
|
WATER AND GAS LINES FOR RESIDENTIAL POOLS AND SPAS |
A11 |
|
RECYCLING ASPHALT |
A12 |
|
EXCAVATING, GRADING, TRENCHING AND SURFACING |
A13 |
|
WRECKING BUILDINGS |
A14 |
|
STEEL ERECTION AND INDUSTRIAL MACHINERY |
A15 |
|
SEWERS, DRAINS AND PIPES |
A16 |
|
PAVING OF STREETS, DRIVEWAYS AND PARKING LOTS |
A17 |
|
LINES TO TRANSMIT ELECTRICITY |
A18 |
|
FARM IRRIGATION |
A19 |
|
PIPELINE AND CONDUITS |
A19A |
|
WATER |
A19B |
|
GAS |
A19C |
|
ELECTRICAL CONDUITS FOR UNDERGROUND TRANSMISSION |
A20 |
|
INDUSTRIAL PIPING |
A21 |
|
FENCING AND GUARDRAILS |
A22 |
|
UNCLASSIFIED |
A23 |
|
REMOVAL OF ASBESTOS |
A24 |
|
FOUNTAINS AND OTHER WATER FEATURES |
A25 |
|
TELECOMMUNICATION TOWERS |
PRIMARY CLASSIFICATION AB - GENERAL ENGINEERING AND GENERAL BUILDING
PRIMARY CLASSIFICATION B - GENERAL BUILDING
SUBCLASSIFICATIONS
B1 |
|
PREMANUFACTURED HOUSING |
B2 |
|
RESIDENTIAL AND SMALL COMMERCIAL |
B3 |
|
SPECULATIVE BUILDING |
B4 |
|
SERVICE STATIONS |
B5 |
|
PREFABRICATED STEEL STRUCTURES
|
B6 |
|
COMMERCIAL REMODELING |
PRIMARY CLASSIFICATION C1 - PLUMBING AND HEATING
SUBCLASSIFICATIONS
C1A |
|
BOILERS |
C1B |
|
FIRE SPRINKLERS |
C1C |
|
INSULATION OF PIPES AND DUCTS |
C1D |
|
PLUMBING |
C1E |
|
SHEET METAL |
C1F |
|
HEATING COOLING AND CIRCULATING AIR |
C1G |
|
PIPES AND VENTS FOR GAS |
C1H |
|
WATER HEATERS |
C1I |
|
CHILLED WATER PIPING |
C1J |
|
SYSTEMS TO REPLENISH BREATHING AIR FOR FIREFIGHTERS |
C1K |
|
INDUSTRIAL PIPING |
PRIMARY CLASSIFICATION C2 – ELECTRICAL
SUBCLASSIFICATIONS
C2A |
|
ELECTRICAL WIRING |
C2B |
|
INTEGRATED CEILINGS |
C2C |
|
FIRE DETECTION |
C2D |
|
LOW VOLTAGE |
C2E |
|
LINES TO TRANSMIT ELECTRICITY |
C2F |
|
RESIDENTIAL WIRING |
C2G |
|
PHOTOVOLTAICS |
PRIMARY CLASSIFICATION C3 – CARPENTRY
SUBCLASSIFICATIONS
C3A
|
|
CARPENTRY AND REPAIRS |
C3B |
|
FINISH CARPENTRY |
C3C |
|
INSULATION & WEATHER STRIPPING |
C3D |
|
OVERHEAD DOORS |
C3E |
|
DRYWALL |
PRIMARY CLASSIFICATION C4 - PAINTING AND DECORATING
SUBCLASSIFICATION
C4A |
|
PAINTING |
C4B |
|
WALLCOVERING |
C4C |
|
TAPING AND FINISHING |
C4D |
|
SANDBLASTING |
C4E |
|
DRYWALL |
C4F |
|
SHEET METAL STUDS |
C4G |
|
ACOUSTICAL TILE |
PRIMARY CLASSIFICATION C5 – CONCRETE CONTRACTING
PRIMARY CLASSIFICATION C6 - ERECTING SIGNS
SUBCLASSIFICATIONS
C6A |
|
OUTDOOR ADVERTISING |
C6B |
|
ELECTRICAL SIGNS |
C6C |
|
SHEET METAL |
C6D |
|
PAINTED SIGNS |
PRIMARY CLASSIFICATION C7 - ELEVATION AND CONVEYANCE
SUBCLASSIFICATIONS
C7A |
|
ELEVATOR AND DUMBWAITER |
C7B |
|
ESCALATOR AND CONVEYOR |
C7C |
|
PNEUMATIC TUBE |
C7D |
|
MOVING WALKWAY |
PRIMARY CLASSIFICATION C9 - MOVEMENT OF BUILDINGS
PRIMARY CLASSIFICATION C10 - LANDSCAPE CONTRACTING
PRIMARY CLASSIFICATION C11 - SPRAYING MIXTURES CONTAINING CEMENT
PRIMARY CLASSIFICATION C13 -USING SHEET METAL
PRIMARY CLASSIFICATION C8 - GLASS AND GLAZING
PRIMARY CLASSIFICATION C14 - STEEL REINFORCING AND ERECTION
SUBCLASSIFICATIONS
C14A |
|
REINFORCING STEEL |
C14B |
|
STRUCTURAL STEEL |
C14C |
|
ORNAMENTAL METAL |
C14D |
|
CURTAIN WALL |
C14E |
|
METAL DOORS AND WINDOWS |
C14F |
|
STORE FRONTS |
C14G |
|
PREFABRICATED STEEL STRUCTURES |
C14H |
|
AWNINGS AND LOUVRES |
C14I |
|
RIGGING AND CRANES |
C14J |
|
CONVEYANCE OF GOODS |
PRIMARY CLASSIFICATION C15 - ROOFING AND SIDING
SUBCLASSIFICATIONS
C15A |
|
ROOFING |
C15B |
|
SIDING |
C15C |
|
INSULATION |
C15D |
|
WATERPROOFING |
PRIMARY CLASSIFICATION C16 - FINISHING FLOORS
SUBCLASSIFICATIONS
C16A |
|
COVERING FLOORS |
C16B |
|
FINISHING COUNTERS |
C16C |
|
PLASTIC TILE AND WALLBOARD |
PRIMARY CLASSIFICATION C17 - LATHING AND PLASTERING
SUBCLASSIFICATIONS
C17A |
|
LATHING |
C17B |
|
PLASTERING |
C17C |
|
DRYWALL |
C17D |
|
ACOUSTICAL TILE |
C17E |
|
COATINGS OF STUCCO AND CEMENT |
C17F |
|
STUDS OF SHEET METAL |
PRIMARY CLASSIFICATION C18 – MASONRY
PRIMARY CLASSIFICATION C19 - INSTALLING TERRAZZO AND MARBLE
SUBCLASSIFICATIONS
C19A |
|
TERRAZZO |
C19B |
|
MARBLE |
C19C |
|
ARTIFICIAL OR CULTURED MARBLE |
PRIMARY CLASSIFICATIONS C20 - TILING
SUBCLASSIFICATIONS
C20A |
|
PLASTIC TILE AND WALLBOARD |
C20B |
|
SWIMMING POOL TILE AND COPING |
PRIMARY CLASSIFICATION C21 - REFRIGERATION AND AIR CONDITIONING
SUBCLASSIFICATIONS
C21A |
|
REFRIGERATION |
C21B |
|
AIR CONDITIONING |
C21C |
|
SHEET METAL |
C21D |
|
MAINTENANCE |
C21E |
|
SOLAR AIR CONDITIONING |
C21F |
|
CHILLED AND HOT WATER SYSTEMS |
C21G |
|
INDUSTRIAL PIPING |
PRIMARY CLASSIFICATION C23 - DRILLING WELLS AND INSTALLING PUMPS, PRESSURE TANKS & STORAGE TANKS
PRIMARY CLASSIFICATION C24 - ERECTING SCAFFOLDS AND BLEACHERS
PRIMARY CLASSIFICATION C25 - FENCING AND EQUIPPING PLAYGROUNDS
PRIMARY CLASSIFICATION C26 - INSTITUTIONAL CONTRACTING
SUBCLASSIFICATIONS
C26A |
|
KITCHEN AND LABORATORY EQUIPMENT |
C26B |
|
BUILDING ACCESSORIES AND SPECIALTIES |
C26C |
|
FLOORS OF GYMNASIUMS |
PRIMARY CLASSIFICATION C27 - INDIVIDUAL SEWERAGE
PRIMARY CLASSIFICATION C28 - FABRICATING TANKS
SUBCLASSIFICATIONS
C28A |
|
FABRICATING TANKS |
C28B |
|
SANDBLASTING AND COATINGS |
PRIMARY CLASSIFICATION C30 - INSTALLING EQUIPMENT TO TREAT WATER
PRIMARY CLASSIFICATION C31 - WRECKING
PRIMARY CLASSIFICATION C33 - INSTALLING INDUSTRIAL MACHINERY
PRIMARY CLASSIFICATIONS C36 - INSTALLING URETHANE
PRIMARY CLASSIFICATION C37 - SOLAR CONTRACTING
SUBCLASSIFICATIONS
C37A |
|
WATER HEATING |
C37B |
|
SPACE HEATING |
C37C |
|
AIR CONDITIONING |
C37D |
|
HEATING OF POOLS |
PRIMARY CLASSIFICATION C38 - INSTALLING EQUIPMENT USED WITH LIQUEFIED PETROLEUM AND NATURAL GAS
SUBCLASSIFICATIONS
C38A |
|
PIPES AND VENTS |
C38B |
|
GAS APPLIANCES AND EQUIPMENT |
C38C |
|
HEATING AND VENTILATING |
PRIMARY CLASSIFICATION C39 - INSTALLING HEATERS
PRIMARY CLASSIFICATION C40 - SPECIALTIES NOT AUTHORIZED BY OTHER CLASSIFICATIONS
PRIMARY CLASSIFICATION C41 - FIRE PROTECTION
SUBCLASSIFICATIONS
C41A |
|
AUTOMATIC FIRE SPRINKLERS |
C41B |
|
FIXED FIRE EXTINGUISHING SYSTEMS |
C41C |
|
FIRE ALARMS |
C41D |
|
PRIVATE FIRE HYDRANTS |
PRIMARY CLASSIFICATION C42 - CONSTRUCTING, ALTERING, OR IMPROVING COMMUNITY ANTENNA TELEVISION SYSTEMS
E-1 OWNER/BUILDER NOT TO EXCEED THREE STORIES
E-2 OWNER/BUILDER EXCEEDING THREE STORIES