NAICS Codes Directory
Browse 200 NAICS codes with federal contracting activity
ENGINEERING SERVICES
Professional, Scientific, and Technical Services
RESEARCH AND DEVELOPMENT IN THE PHYSICAL, ENGINEERING, AND LIFE SCIENCES (EXCEPT NANOTECHNOLOGY AND BIOTECHNOLOGY)
Professional, Scientific, and Technical Services
OTHER COMPUTER RELATED SERVICES
Professional, Scientific, and Technical Services
ALL OTHER PROFESSIONAL, SCIENTIFIC, AND TECHNICAL SERVICES
Professional, Scientific, and Technical Services
COMMERCIAL AND INSTITUTIONAL BUILDING CONSTRUCTION
Construction
ADMINISTRATIVE MANAGEMENT AND GENERAL MANAGEMENT CONSULTING SERVICES
Professional, Scientific, and Technical Services
CUSTOM COMPUTER PROGRAMMING SERVICES
Professional, Scientific, and Technical Services
SUPPORT ACTIVITIES FOR FORESTRY
Agriculture, Forestry, Fishing and Hunting
COMPUTER SYSTEMS DESIGN SERVICES
Professional, Scientific, and Technical Services
COMMERCIAL AND INDUSTRIAL MACHINERY AND EQUIPMENT (EXCEPT AUTOMOTIVE AND ELECTRONIC) REPAIR AND MAINTENANCE
Other Services (except Public Administration)
SURGICAL APPLIANCE AND SUPPLIES MANUFACTURING
Manufacturing
OTHER AIRCRAFT PARTS AND AUXILIARY EQUIPMENT MANUFACTURING
Manufacturing
PLUMBING, HEATING, AND AIR-CONDITIONING CONTRACTORS
Construction
HARDWARE MANUFACTURING
Manufacturing
FACILITIES SUPPORT SERVICES
Administrative and Support Services
ANALYTICAL LABORATORY INSTRUMENT MANUFACTURING
Manufacturing
PROFESSIONAL AND MANAGEMENT DEVELOPMENT TRAINING
Educational Services
ELECTRICAL CONTRACTORS AND OTHER WIRING INSTALLATION CONTRACTORS
Construction
ELECTRONIC AND PRECISION EQUIPMENT REPAIR AND MAINTENANCE
Other Services (except Public Administration)
HOTELS (EXCEPT CASINO HOTELS) AND MOTELS
Accommodation and Food Services
SHIP BUILDING AND REPAIRING
Manufacturing
OTHER ELECTRONIC COMPONENT MANUFACTURING
Manufacturing
SOFTWARE PUBLISHERS
Information
OTHER SCIENTIFIC AND TECHNICAL CONSULTING SERVICES
Professional, Scientific, and Technical Services
ALL OTHER MISCELLANEOUS ELECTRICAL EQUIPMENT AND COMPONENT MANUFACTURING
Manufacturing
JANITORIAL SERVICES
Administrative and Support Services
SEARCH, DETECTION, NAVIGATION, GUIDANCE, AERONAUTICAL, AND NAUTICAL SYSTEM AND INSTRUMENT MANUFACTURING
Manufacturing
BOLT, NUT, SCREW, RIVET, AND WASHER MANUFACTURING
Manufacturing
ALL OTHER MISCELLANEOUS FABRICATED METAL PRODUCT MANUFACTURING
Manufacturing
LANDSCAPING SERVICES
Administrative and Support Services
SURGICAL AND MEDICAL INSTRUMENT MANUFACTURING
Manufacturing
RADIO AND TELEVISION BROADCASTING AND WIRELESS COMMUNICATIONS EQUIPMENT MANUFACTURING
Manufacturing
TESTING LABORATORIES
Professional, Scientific, and Technical Services
OTHER MEASURING AND CONTROLLING DEVICE MANUFACTURING
Manufacturing
DATA PROCESSING, HOSTING, AND RELATED SERVICES
Information
OTHER ELECTRONIC AND PRECISION EQUIPMENT REPAIR AND MAINTENANCE
Other Services (except Public Administration)
SOFTWARE PUBLISHERS
Information
ENVIRONMENTAL CONSULTING SERVICES
Professional, Scientific, and Technical Services
COMMERCIAL AND SERVICE INDUSTRY MACHINERY MANUFACTURING
Manufacturing
ALL OTHER SPECIALTY TRADE CONTRACTORS
Construction
OTHER COMMUNICATIONS EQUIPMENT MANUFACTURING
Manufacturing
HIGHWAY, STREET, AND BRIDGE CONSTRUCTION
Construction
ELECTRONIC COMPUTER MANUFACTURING
Manufacturing
NURSING CARE FACILITIES (SKILLED NURSING FACILITIES)
Health Care and Social Assistance
REMEDIATION SERVICES
Administrative and Support Services
ALL OTHER LEGAL SERVICES
Professional, Scientific, and Technical Services
ALL OTHER MISCELLANEOUS MANUFACTURING
Manufacturing
SECURITY SYSTEMS SERVICES (EXCEPT LOCKSMITHS)
Administrative and Support Services
AIR-CONDITIONING AND WARM AIR HEATING EQUIPMENT AND COMMERCIAL AND INDUSTRIAL REFRIGERATION EQUIPMENT MANUFACTURING
Manufacturing
ALL OTHER SUPPORT SERVICES
Administrative and Support Services
TRANSLATION AND INTERPRETATION SERVICES
Professional, Scientific, and Technical Services
CURRENT-CARRYING WIRING DEVICE MANUFACTURING
Manufacturing
ALL OTHER MISCELLANEOUS GENERAL PURPOSE MACHINERY MANUFACTURING
Manufacturing
OTHER HEAVY AND CIVIL ENGINEERING CONSTRUCTION
Construction
SMALL ARMS, ORDNANCE, AND ORDNANCE ACCESSORIES MANUFACTURING
Manufacturing
GASKET, PACKING, AND SEALING DEVICE MANUFACTURING
Manufacturing
EDUCATIONAL SUPPORT SERVICES
Educational Services
INSTRUMENTS AND RELATED PRODUCTS MANUFACTURING FOR MEASURING, DISPLAYING, AND CONTROLLING INDUSTRIAL PROCESS VARIABLES
Manufacturing
MOTOR AND GENERATOR MANUFACTURING
Manufacturing
OTHER SUPPORT ACTIVITIES FOR AIR TRANSPORTATION
Transportation and Warehousing
INSTRUMENT MANUFACTURING FOR MEASURING AND TESTING ELECTRICITY AND ELECTRICAL SIGNALS
Manufacturing
GENERAL AUTOMOTIVE REPAIR
Other Services (except Public Administration)
OTHER METAL VALVE AND PIPE FITTING MANUFACTURING
Manufacturing
RESEARCH AND DEVELOPMENT IN THE PHYSICAL, ENGINEERING, AND LIFE SCIENCES (EXCEPT BIOTECHNOLOGY)
Professional, Scientific, and Technical Services
MECHANICAL POWER TRANSMISSION EQUIPMENT MANUFACTURING
Manufacturing
POWER, DISTRIBUTION, AND SPECIALTY TRANSFORMER MANUFACTURING
Manufacturing
BALL AND ROLLER BEARING MANUFACTURING
Manufacturing
Health Care and Social Assistance
OFFICE FURNITURE (EXCEPT WOOD) MANUFACTURING
Manufacturing
FABRICATED PIPE AND PIPE FITTING MANUFACTURING
Manufacturing
AIRCRAFT MANUFACTURING
Manufacturing
INDUSTRIAL VALVE MANUFACTURING
Manufacturing
SOLID WASTE COLLECTION
Administrative and Support Services
OTHER MOTOR VEHICLE PARTS MANUFACTURING
Manufacturing
AUDIO AND VIDEO EQUIPMENT MANUFACTURING
Manufacturing
WATER AND SEWER LINE AND RELATED STRUCTURES CONSTRUCTION
Construction
OTHER ENGINE EQUIPMENT MANUFACTURING
Manufacturing
MEASURING, DISPENSING, AND OTHER PUMPING EQUIPMENT MANUFACTURING
Manufacturing
COMPUTER TERMINAL AND OTHER COMPUTER PERIPHERAL EQUIPMENT MANUFACTURING
Manufacturing
OTHER BUILDING EQUIPMENT CONTRACTORS
Construction
WATER SUPPLY AND IRRIGATION SYSTEMS
Utilities
OTHER COMMERCIAL AND INDUSTRIAL MACHINERY AND EQUIPMENT RENTAL AND LEASING
Real Estate and Rental and Leasing
INVESTIGATION SERVICES
Administrative and Support Services
OFFICES OF PHYSICIANS (EXCEPT MENTAL HEALTH SPECIALISTS)
Health Care and Social Assistance
ELECTRONIC CONNECTOR MANUFACTURING
Manufacturing
RESEARCH AND DEVELOPMENT IN BIOTECHNOLOGY (EXCEPT NANOBIOTECHNOLOGY)
Professional, Scientific, and Technical Services
SEPTIC TANK AND RELATED SERVICES
Administrative and Support Services
SWITCHGEAR AND SWITCHBOARD APPARATUS MANUFACTURING
Manufacturing
BARE PRINTED CIRCUIT BOARD MANUFACTURING
Manufacturing
SAW BLADE AND HANDTOOL MANUFACTURING
Manufacturing
AIRCRAFT ENGINE AND ENGINE PARTS MANUFACTURING
Manufacturing
OTHER FABRICATED WIRE PRODUCT MANUFACTURING
Manufacturing
SEMICONDUCTOR AND RELATED DEVICE MANUFACTURING
Manufacturing
TEMPORARY HELP SERVICES
Administrative and Support Services
MACHINE SHOPS
Manufacturing
ARCHITECTURAL SERVICES
Professional, Scientific, and Technical Services
PHARMACEUTICAL PREPARATION MANUFACTURING
Manufacturing
AUTOMOTIVE BODY, PAINT, AND INTERIOR REPAIR AND MAINTENANCE
Other Services (except Public Administration)
APPAREL ACCESSORIES AND OTHER APPAREL MANUFACTURING
Manufacturing
HUMAN RESOURCES CONSULTING SERVICES (2007), HUMAN RESOURCES AND EXECUTIVE SEARCH CONSULTING SERVICES (2002)
Professional, Scientific, and Technical Services
SECURITY GUARDS AND PATROL SERVICES
Administrative and Support Services
CAPACITOR, RESISTOR, COIL, TRANSFORMER, AND OTHER INDUCTOR MANUFACTURING
Manufacturing
OTHER METAL CONTAINER MANUFACTURING
Manufacturing
OFFICE ADMINISTRATIVE SERVICES
Administrative and Support Services
COMPUTER FACILITIES MANAGEMENT SERVICES
Professional, Scientific, and Technical Services
COLLEGES, UNIVERSITIES, AND PROFESSIONAL SCHOOLS
Educational Services
PETROLEUM REFINERIES
Manufacturing
FLUID POWER PUMP AND MOTOR MANUFACTURING
Manufacturing
OTHER SERVICES TO BUILDINGS AND DWELLINGS
Administrative and Support Services
ROOFING CONTRACTORS
Construction
OTHER MANAGEMENT CONSULTING SERVICES
Professional, Scientific, and Technical Services
RUBBER AND PLASTICS HOSES AND BELTING MANUFACTURING
Manufacturing
MOTOR VEHICLE GASOLINE ENGINE AND ENGINE PARTS MANUFACTURING
Manufacturing
INDUSTRIAL AND COMMERCIAL FAN AND BLOWER AND AIR PURIFICATION EQUIPMENT MANUFACTURING
Manufacturing
ALL OTHER MISCELLANEOUS CHEMICAL PRODUCT AND PREPARATION MANUFACTURING
Manufacturing
BUILDING INSPECTION SERVICES
Professional, Scientific, and Technical Services
MEDICAL LABORATORIES
Health Care and Social Assistance
AIR AND GAS COMPRESSOR MANUFACTURING
Manufacturing
ELECTROMEDICAL AND ELECTROTHERAPEUTIC APPARATUS MANUFACTURING
Manufacturing
INDUSTRIAL TRUCK, TRACTOR, TRAILER, AND STACKER MACHINERY MANUFACTURING
Manufacturing
MOTOR VEHICLE ELECTRICAL AND ELECTRONIC EQUIPMENT MANUFACTURING
Manufacturing
RESEARCH AND DEVELOPMENT IN THE SOCIAL SCIENCES AND HUMANITIES
Professional, Scientific, and Technical Services
MEDICAL, DENTAL, AND HOSPITAL EQUIPMENT AND SUPPLIES MERCHANT WHOLESALERS
Wholesale Trade
SITE PREPARATION CONTRACTORS
Construction
PROCESS, PHYSICAL DISTRIBUTION, AND LOGISTICS CONSULTING SERVICES
Professional, Scientific, and Technical Services
RELAY AND INDUSTRIAL CONTROL MANUFACTURING
Manufacturing
ALL OTHER MISCELLANEOUS GENERAL PURPOSE MACHINERY MANUFACTURING
Manufacturing
SPEED CHANGER, INDUSTRIAL HIGH-SPEED DRIVE, AND GEAR MANUFACTURING
Manufacturing
LESSORS OF NONRESIDENTIAL BUILDINGS (EXCEPT MINIWAREHOUSES)
Real Estate and Rental and Leasing
FLUID POWER VALVE AND HOSE FITTING MANUFACTURING
Manufacturing
ALL OTHER PLASTICS PRODUCT MANUFACTURING
Manufacturing
CONSTRUCTION MACHINERY MANUFACTURING
Manufacturing
OVERHEAD TRAVELING CRANE, HOIST, AND MONORAIL SYSTEM MANUFACTURING
Manufacturing
RV (RECREATIONAL VEHICLE) PARKS AND CAMPGROUNDS
Accommodation and Food Services
FABRICATED STRUCTURAL METAL MANUFACTURING
Manufacturing
ALL OTHER PERSONAL SERVICES
Other Services (except Public Administration)
NONFERROUS FORGING
Manufacturing
ALL OTHER MISCELLANEOUS TEXTILE PRODUCT MILLS
Manufacturing
TOTALIZING FLUID METER AND COUNTING DEVICE MANUFACTURING
Manufacturing
PLASTICS PIPE AND PIPE FITTING MANUFACTURING
Manufacturing
BATTERY MANUFACTURING
Manufacturing
PRINTED CIRCUIT ASSEMBLY (ELECTRONIC ASSEMBLY) MANUFACTURING
Manufacturing
VOCATIONAL REHABILITATION SERVICES
Health Care and Social Assistance
USED HOUSEHOLD AND OFFICE GOODS MOVING
Transportation and Warehousing
ALL OTHER MISCELLANEOUS SCHOOLS AND INSTRUCTION
Educational Services
METAL CROWN, CLOSURE, AND OTHER METAL STAMPING (EXCEPT AUTOMOTIVE)
Manufacturing
COMPUTER AND COMPUTER PERIPHERAL EQUIPMENT AND SOFTWARE MERCHANT WHOLESALERS
Wholesale Trade
ALL OTHER TRANSIT AND GROUND PASSENGER TRANSPORTATION
Transportation and Warehousing
SPORTING AND ATHLETIC GOODS MANUFACTURING
Manufacturing
MACHINE TOOL MANUFACTURING
Manufacturing
AUTOMATIC ENVIRONMENTAL CONTROL MANUFACTURING FOR RESIDENTIAL, COMMERCIAL, AND APPLIANCE USE
Manufacturing
MOTOR VEHICLE BODY MANUFACTURING
Manufacturing
MILITARY ARMORED VEHICLE, TANK, AND TANK COMPONENT MANUFACTURING
Manufacturing
OFFICE SUPPLIES (EXCEPT PAPER) MANUFACTURING
Manufacturing
ALL OTHER INDUSTRIAL MACHINERY MANUFACTURING
Manufacturing
POWER AND COMMUNICATION LINE AND RELATED STRUCTURES CONSTRUCTION
Construction
SPRING MANUFACTURING
Manufacturing
BOAT BUILDING
Manufacturing
CUTTING TOOL AND MACHINE TOOL ACCESSORY MANUFACTURING
Manufacturing
WIRED TELECOMMUNICATIONS CARRIERS
Information
NONCURRENT-CARRYING WIRING DEVICE MANUFACTURING
Manufacturing
ELECTRIC POWER DISTRIBUTION
Utilities
CONSTRUCTION, MINING, AND FORESTRY MACHINERY AND EQUIPMENT RENTAL AND LEASING
Real Estate and Rental and Leasing
FOOD SERVICE CONTRACTORS
Accommodation and Food Services
INDEPENDENT ARTISTS, WRITERS, AND PERFORMERS
Arts, Entertainment, and Recreation
PAINTING AND WALL COVERING CONTRACTORS
Construction
PREFABRICATED METAL BUILDING AND COMPONENT MANUFACTURING
Manufacturing
ELECTRIC LAMP BULB AND OTHER LIGHTING EQUIPMENT MANUFACTURING
Manufacturing
SURVEYING AND MAPPING (EXCEPT GEOPHYSICAL) SERVICES
Professional, Scientific, and Technical Services
FLOORING CONTRACTORS
Construction
Other Services (except Public Administration)
NONSCHEDULED CHARTERED PASSENGER AIR TRANSPORTATION
Transportation and Warehousing
METAL WINDOW AND DOOR MANUFACTURING
Manufacturing
HEATING EQUIPMENT (EXCEPT WARM AIR FURNACES) MANUFACTURING
Manufacturing
OTHER GUIDED MISSILE AND SPACE VEHICLE PARTS AND AUXILIARY EQUIPMENT MANUFACTURING
Manufacturing
COMPUTER STORAGE DEVICE MANUFACTURING
Manufacturing
PROFESSIONAL ORGANIZATIONS
Other Services (except Public Administration)
ALL OTHER TRANSPORTATION EQUIPMENT MANUFACTURING
Manufacturing
INDUSTRIAL BUILDING CONSTRUCTION
Construction
OFFICES OF LAWYERS
Professional, Scientific, and Technical Services
ALL OTHER MISCELLANEOUS FOOD MANUFACTURING
Manufacturing
SIGN MANUFACTURING
Manufacturing
TRUCK, UTILITY TRAILER, AND RV (RECREATIONAL VEHICLE) RENTAL AND LEASING
Real Estate and Rental and Leasing
ALL OTHER RUBBER PRODUCT MANUFACTURING
Manufacturing
HAZARDOUS WASTE TREATMENT AND DISPOSAL
Administrative and Support Services
WIRED TELECOMMUNICATIONS CARRIERS
Information
OTHER TECHNICAL AND TRADE SCHOOLS
Educational Services
ALL OTHER MISCELLANEOUS WASTE MANAGEMENT SERVICES
Administrative and Support Services
WELDING AND SOLDERING EQUIPMENT MANUFACTURING
Manufacturing
Other Services (except Public Administration)
MOTOR VEHICLE TRANSMISSION AND POWER TRAIN PARTS MANUFACTURING
Manufacturing
TURBINE AND TURBINE GENERATOR SET UNITS MANUFACTURING
Manufacturing
INSTITUTIONAL FURNITURE MANUFACTURING
Manufacturing
GENERAL MEDICAL AND SURGICAL HOSPITALS
Health Care and Social Assistance
ALL OTHER BUSINESS SUPPORT SERVICES
Administrative and Support Services
PRECISION TURNED PRODUCT MANUFACTURING
Manufacturing
DRYCLEANING AND LAUNDRY SERVICES (EXCEPT COIN-OPERATED)
Other Services (except Public Administration)
IRON AND STEEL PIPE AND TUBE MANUFACTURING FROM PURCHASED STEEL
Manufacturing
PERISHABLE PREPARED FOOD MANUFACTURING
Manufacturing
CONVENTION AND TRADE SHOW ORGANIZERS
Administrative and Support Services
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About NAICS Codes
The North American Industry Classification System (NAICS) is the standard used by federal agencies to classify business establishments. NAICS codes are essential for federal contracting as they determine small business size standards and are used to categorize contract opportunities.