Complete Guide

Understanding NAICS Codes

Learn everything about the North American Industry Classification System and how it can transform your business intelligence and market analysis.

What is NAICS

North American Industry Classification System

The standardized system used by Federal statistical agencies to classify business establishments for statistical purposes

NAICS (pronounced "NAKES") is the standard used by Federal statistical agencies in classifying business establishments for the purpose of collecting, analyzing, and publishing statistical data related to the U.S. business economy. It was developed jointly by the U.S., Canada, and Mexico to provide new comparability in statistics about business activity across North America.

1,065 Industry Classifications
20 Sectors
6 Digit Codes
1997 First Published
Structure

NAICS Code Hierarchy

Understanding the six-level hierarchical structure that organizes industries from broad sectors to specific activities

2
Sector (2-digit)
The broadest category grouping industries with similar economic activities
54 - Professional Services
3
Subsector (3-digit)
Groups industries within sectors by similar production processes
541 - Professional Services
4
Industry Group (4-digit)
Further subdivides subsectors based on production criteria
5415 - Computer Systems Design
5
NAICS Industry (5-digit)
More detailed industry classifications within industry groups
54151 - Computer Systems Design
6
National Industry (6-digit)
The most specific level, unique to each country
541511 - Custom Programming
Applications

Who Uses NAICS Codes

From government agencies to private businesses, discover how NAICS codes serve various stakeholders

Government Agencies

Federal agencies use NAICS for economic census, surveys, and regulatory compliance. Essential for policy making and economic analysis.

Market Research

Businesses use NAICS to identify competitors, analyze market trends, and segment industries for targeted marketing strategies.

Procurement

Government contracting relies on NAICS codes to determine small business eligibility and set-aside opportunities.

Regulatory Compliance

Industries must comply with specific regulations based on their NAICS classification for safety, environmental, and labor standards.

Financial Services

Banks and lenders use NAICS codes for credit analysis, risk assessment, and compliance with lending regulations.

Investment Analysis

Investors and analysts use NAICS to benchmark performance, identify investment opportunities, and assess market sectors.

Examples

Common NAICS Code Examples

Real-world examples of how different industries are classified within the NAICS system

NAICS Code Industry Title Description Example Companies
541511 Custom Computer Programming Services Writing, modifying, testing, and supporting software to meet the needs of a particular customer Software development firms, custom app developers
541512 Computer Systems Design Services Planning and designing computer systems that integrate hardware, software, and communication technologies IT consulting firms, system integrators
722513 Limited-Service Restaurants Establishments primarily engaged in providing food services where patrons generally order at a counter Fast food restaurants, food trucks, cafeterias
441110 New Car Dealers Retailing new automobiles and light trucks, such as sport utility vehicles Automotive dealerships, car showrooms
621111 Offices of Physicians (except Mental Health) Establishments of health practitioners having the degree of M.D. or D.O. Medical clinics, doctor offices
518210 Data Processing, Hosting & Related Services Providing infrastructure for hosting or data processing services Cloud providers, web hosting companies
Benefits

Why NAICS Codes Matter

Understanding the strategic advantages of proper NAICS classification for your business

Market Analysis

Identify market size, growth trends, and competitive landscape within specific industry segments for informed business decisions.

Compliance & Certification

Ensure regulatory compliance and qualify for industry-specific certifications, licenses, and business registrations.

Contract Opportunities

Access government contracts and set-aside programs designed for specific industries and business types.

Benchmarking

Compare your business performance against industry standards and identify areas for improvement and growth.

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