NAICS Codes for Government Contracting

Computer Systems Design Services

Administrative Management and General Management Consulting Services

Engineering Services

Other Computer Related Services

Other Scientific and Technical Consulting Services

All Other Professional, Scientific, and Technical Services

Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)

Process, Physical Distribution, and Logistics Consulting Services

Environmental Consulting Services

Architectural Services

Testing Laboratories and Services

Custom Computer Programming Services

Tax Preparation Services

Offices of Certified Public Accountants

Research and Development in the Physical, Engineering, and Life Sciences (Nanotechnology)

Graphic Design Services

Public Relations Agencies

Marketing Research and Public Opinion Polling

Building Inspection Services

Interior Design Services

Other Accounting Services

Advertising Agencies

Human Resources Consulting Services

Research and Development in the Social Sciences and Humanities

Photography Studios, Portrait

Marketing Consulting Services

Commercial Photography

Building Inspection Services

Geophysical Surveying and Mapping Services

Other Accounting Services

Surveying and Mapping (except Geophysical) Services

Other Specialized Design Services

Offices of Lawyers

Title Abstract and Settlement Offices

Drafting Services

Research and Development in the Social Sciences and Humanities

Office Administrative Services

Facilities Support Services

Temporary Staffing Services

All Other Business Support Services

Landscaping Services

Security Guards and Patrol Services

Remediation Services

Janitorial Services

All Other Support Services

Document Preparation Services

Exterminating and Pest Control Services

Solid Waste Collection

Travel Agencies

Employment Placement Agencies

Security Systems Services (except Locksmiths)

Facilities Support Services

Hazardous Waste Treatment and Disposal

Telephone Answering Services

Other Services to Buildings and Dwellings

Professional Employer Organizations

Materials Recovery Facilities

Collection Agencies

Telephone Call Centers

Aircraft Manufacturing

Precision Turned Product Manufacturing

All Other Miscellaneous Fabricated Metal Product Manufacturing

Search, Detection, Navigation, Guidance, Aeronautical Systems, and Instruments Manufacturing

Military Armored Vehicle, Tank, and Tank Component Manufacturing

Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing

Railroad Rolling Stock Manufacturing

Air-Conditioning and Warm Air Heating Equipment and Commercial Refrigeration Equipment Manufacturing

Boat Building

Other Communications Equipment Manufacturing

Motor Vehicle Electrical and Electronic Equipment Manufacturing

All Other Miscellaneous Manufacturing

Machine Shops

Motor and Generator Manufacturing

Computer Terminal and Other Computer Peripheral Equipment Manufacturing

Iron and Steel Mills and Ferroalloy Manufacturing

Guided Missile and Space Vehicle Propulsion Unit and Propulsion Unit Parts Manufacturing

Semiconductor and Related Device Manufacturing

Small Arms, Ordnance, and Ordnance Accessories Manufacturing

Prefabricated Metal Building and Component Manufacturing

Telephone Apparatus Manufacturing

Fabricated Structural Metal Manufacturing

Motor Vehicle Transmission and Power Train Parts Manufacturing

Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing

Motor Vehicle Gasoline Engine and Engine Parts Manufacturing

Construction Machinery Manufacturing

Other Metal Valve and Pipe Fitting Manufacturing

Other Measuring and Controlling Device Manufacturing

Highway, Street, and Bridge Construction

Commercial and Institutional Building Construction

Electrical Contractors and Other Wiring Installation Contractors

Plumbing, Heating, and Air-Conditioning Contractors

Site Preparation Contractors

Water and Sewer Line and Related Structures Construction

Roofing Contractors

Other Heavy and Civil Engineering Construction

All Other Specialty Trade Contractors

Oil and Gas Pipeline and Related Structures Construction

Land Subdivision

Finish Carpentry Contractors

Masonry Contractors

Power and Communication Line and Related Structures Construction

Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services

Software Publishers

Web Search Portals, Libraries, Archives, and Other Information Services

Internet Publishing and Broadcasting and Web Search Portals

Television Broadcasting

Data Processing, Hosting, and Related Services

Offices of Physicians (except Mental Health Specialists)

Home Health Care Services

Nursing Care Facilities (Skilled Nursing Facilities)

Other Individual and Family Services

General Medical and Surgical Hospitals

Outpatient Mental Health and Substance Abuse Centers

Vocational Rehabilitation Services

Temporary Shelters

Offices of All Other Miscellaneous Health Practitioners

Offices of Mental Health Practitioners (except Physicians)

Medical Laboratories

Offices of Dentists

Emergency and Other Relief Services

Professional and Management Development Training

Educational Support Services

Colleges, Universities, and Professional Schools

Other Technical and Trade Schools

Computer Training

Elementary and Secondary Schools

Language Schools

All Other Miscellaneous Schools and Instruction

Air Traffic Control

General Freight Trucking, Local

General Freight Trucking, Long-Distance, Truckload

Interurban and Rural Bus Transportation

Other Support Activities for Road Transportation

Freight Transportation Arrangement

Inland Water Freight Transportation

Packing and Crating

Taxi and Ridesharing Services

Other Airport Operations

Other Electronic and Precision Equipment Repair and Maintenance

Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance

Automotive Body, Paint, and Interior Repair and Maintenance

All Other Personal Services

Religious Organizations

Drycleaning and Laundry Services (except Coin-Operated)

Automotive Exhaust System Repair

Consumer Electronics Repair and Maintenance

Home and Garden Equipment Repair and Maintenance

Executive Offices

Police Protection

Other General Government Support

Administration of Air and Water Resource and Solid Waste Management Programs

Fire Protection

Regulation and Administration of Transportation Programs

Food Service Contractors

Full-Service Restaurants

Industrial and Personal Service Paper Merchant Wholesalers

Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers

Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers

Other Electronic Parts and Equipment, Not Elsewhere Classified, Merchant Wholesalers

Pharmaceutical Preparation Manufacturing

Commercial Printing (except Screen and Books)

General Warehousing and Storage

Other Commercial and Industrial Machinery and Equipment Rental and Leasing

Other Activities Related to Real Estate

Claims Adjusting

Other Activities Related to Credit Intermediation

Curtain and Linen Mills

All Other Miscellaneous Store Retailers (except Tobacco Stores)