NAICS codes for government contracting

Your NAICS code is the discovery axis in federal contracting. Browse common codes by sector below — each page covers the industry, its size standard, related codes, and how to win contracts in it. All 1012 NAICS 2022 codes are covered.

Construction

Sector 23

236220Commercial Building Construction237310Highway, Street & Bridge Construction238210Electrical Contractors

Manufacturing

Sector 31-33

334111Electronic Computer Manufacturing334511Search & Navigation Equipment336411Aircraft Manufacturing336414Guided Missile & Space Vehicle Mfg

Wholesale Trade

Sector 42

423430Computer Equipment Merchant Wholesalers

Information

Sector 51

513210Software Publishers517111Wired Telecommunications Carriers517112Wireless Telecommunications Carriers518210Data Processing & Hosting Services519210Web Search Portals & Data Processing

Professional, Scientific, and Technical Services

Sector 54

541310Architectural Services541320Landscape Architectural Services541330Engineering Services541340Drafting Services541370Surveying & Mapping Services541380Testing Laboratories541511Custom Computer Programming541512Computer Systems Design541513Computer Facilities Management541519Other Computer Related Services541611Admin & General Management Consulting541612Human Resources Consulting541613Marketing Consulting541614Process & Logistics Consulting541618Other Management Consulting541620Environmental Consulting541690Other Scientific & Technical Consulting541713R&D (Nanotechnology)541715R&D (Physical, Engineering & Life Sciences)541720R&D (Social Sciences & Humanities)541990Other Professional & Technical Services

Administrative and Support and Waste Management and Remediation Services

Sector 56

561110Office Administrative Services561210Facilities Support Services561320Temporary Staffing Services561410Document Preparation Services561499Other Business Support Services561612Security Guards & Patrol Services561621Security Systems Services561710Exterminating & Pest Control561720Janitorial Services561730Landscaping Services561990Other Support Services

Educational Services

Sector 61

611430Professional Management Training611519Other Technical & Trade Schools

Health Care and Social Assistance

Sector 62

621511Medical Laboratories

Other Services (except Public Administration)

Sector 81

811210Electronic Equipment Repair

Public Administration

Sector 92

928110National Security

Not sure which code is yours? Our guide walks through it — or search any industry in the app.

How to find your NAICS codeSearch by NAICS →