NAICS Search Tools
The NAICS Association offers four easy to use tools for determining your NAICS & SIC Codes including the NAICS Search Tool, NAICS & SIC Code Drill-Down Tables, and the Real-Time Company Lookup Tool. You may also cross-reference your NAICS & SIC codes with the Crosswalk tools.
US Business Directory : Company Lookup Tool
This tool allows you to verify critical listing information for any D&B Registered Business without paying for Costly Credit Reports. Find Accurate Mailing Information, Phone Number, NAICS and SIC Codes, Latitude/Longitude & more!
NAICS to SIC Crosswalk
Do you know your NAICS Code and want to know it’s corresponding SIC Codes as well? Use the NAICS to SIC Crosswalk.
SIC to NAICS Crosswalk
Do you know your SIC Code and want to know it’s corresponding NAICS Codes as well? Use the SIC to NAICS Crosswalk.
NAICS & SIC Reference Manuals
Get the new NAICS and SIC code manuals – valid through 2017 – in both hardbound and electronic manuals. We also provide online NAICS and SIC Reference Files for instant download.
NAICS & SIC Reference Files
Purchase Downloadable Electronic NAICS & SIC Reference Files including: 2012 NAICS Codes & Titles Listed Numerically, 2012 NAICS Alphabetic Keyword Index, and the SIC – Standard Industry Classification Listing.
InfoUSA Business Directories
This Reference Tool provides you with Complete Company Profiles on over 19 million U.S. businesses. Whether you are building a list or looking up individual companies this tool gives you unlimited access to the entire National Database of Companies for unlimited viewing and research.
High Risk NAICS Codes
This list has been compiled through cooperative association with various professionals in the banking industry for use as a working guide. The provided High Risk/Cash Intensive businesses by NAICS do not constitute an officially sanctioned list. We do not guarantee the accuracy of this list.
Counts Central – Market Sizes
Access the Demographic Profiles of US & International Businesses (Firmographics) including Counts by Company Size, Counts by NAICS Sectors, Counts by SIC Sectors Counts by Metropolitan Statistical Area (MSA) and Counts of Businesses by Country – Headquarters.
SBA Small Business Size Standards
From the U. S. Small Business Administration, this table lists small business size standards matched to industries described in the North American Industry Classification System (NAICS), as modified by the Office of Management and Budget effective January 1, 2012.
Free Market Research Tools Links
A NAICS Association Recommended Guide to Free Online Market Research Tools Online.
Business Data Blog
Download Our Free Data & Marketing Industry Whitepapers
Market Analysis Profiles
Download Lists of US Companies represented by all 1,040 Six-Digit NAICS Codes profiled by Annual Sales Ranges, (Sales from all Locations Aggregated by Headquarters,) Number of Employees on Site, Number of Employees, (Employees from all Locations Aggregated by Headquarters), or request a Custom Market Analysis Profile from the NAICS Association.
Frequently Asked Questions
Get answers to frequently asked questions.
The History of NAICS
Learn about the History of the NAICS Code (North American Industrial Classification System) from its roots in the SIC (Standard Industrial Classification) System to Present.
The North American Product Classification System (NAPCS)
Learn about the History of the NAPCS, The NAPCS Structure, and Read NAPCS FAQs
NAICS Association Recommended Business Links
A list of Links and Contact Information for Official Agencies that use or implement the NAICS code, including statistical agencies and the US Census Bureau.