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Nevada State Contractors Board

 

CLASSIFICATION OF CONTRACTORS

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 ASPHALTIC 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
A20
INDUSTRIAL PIPING
A21
FENCING AND GUARDRAILS
A22
UNCLASSIFIED
A23
REMOVAL OF ASBESTOS
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

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, REMODELING 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

C4H


URETHANE COATINGS

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

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

C16D


CARPET LAYING

C16E


URETHANE COATINGS

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
SUBCLASSIFICATIONS
C36A


URETHANE INSULATION

C36B


URETHANE ROOF DECKS

C36C


URETHANE COATINGS

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

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