Classifast

NAICS Code Finder

Get right NAICS code(s) for your business

Results are sorted by relevance

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How to find NAICS codes

1

Enter Description

Type a description of your product or service into the search box above. Be specific (e.g., "wireless mouse" instead of "mouse").

2

Click Find Code

Press the "Find code" button. Our search will analyze your description and match it against the NAICS standard in about 1 second.

3

Review Results

Browse the ranked list of codes. The most relevant match is usually at the top. Click any code to copy it.

NAICS Business Classification System

NAICS vs SIC Comparison

Key differences from the older Standard Industrial Classification:

  • • 6-digit codes vs 4-digit SIC codes
  • • Service sector emphasis (vs manufacturing focus)
  • • North American trilateral cooperation (US/Canada/Mexico)
  • • Updated every 5 years (vs SIC 1987 final update)
  • • Better alignment with modern economy

Government Contracting

NAICS codes are essential for:

  • • Federal contract opportunities (SAM.gov)
  • • Small business size standards determination
  • • SBA certification programs (8(a), HUBZone, etc)
  • • Statistical reporting and tax purposes
  • • Industry benchmarking and analysis

Code Structure & Hierarchy

NAICS uses a hierarchical structure from 2-digit sectors to 6-digit national industries. The 2022 revision includes 1170 industries across 20 sectors, updated every 5 years to reflect economic changes.