NAICS Association ♦ Your Home for all things NAICS & SIC!

NAICS Services

Accurate Data. Actionable Intelligence. Custom Solutions.

Data Appends Quickly and Effectively add NAICS, SIC and other Company Information to an Existing Database of Businesses. (Great for Research, Marketing, Compliance and Customer Retention Efforts).

Targeted Business Lists Use NAICS or SIC Codes to create a List of Companies in specific Industries that you can Target your Marketing to.

NAICS & SIC Identification Tools Use our NAICS Search Tools, NAICS & SIC Crosswalks, Drill Down Tables and more.

Company Lookup Tool Perform Individual Lookups on over 19 Million U.S. Businesses to Identify: NAICS Codes, SIC Codes, DUNS Numbers, Company Size Information and Much More.
Click to View a Sample Record

NAICS & SIC Manuals and Reference Files Get the Current NAICS & SIC Code Manuals. We also provide online NAICS & SIC Reference Files for immediate download.

Data Enhancement

Database Enhancement Solutions

Data Appends Add Vital Information to your Business Database including NAICS/SIC Codes, Address, Contact Info, Company Size, Email, URL and More! See all of our Standard Record Layouts and Single Data Elements for more details.

Data Enhancement API  Integrate our Business Intelligence API to seamlessly append Vital data to your Customer Acquisition Efforts.

U.S. Company Lookup Tool Only need Company information occasionally? Use our Company Lookup Service to acquire records as the need arises.

Targeted Marketing Lists

Targeted Marketing Lists

Targeted Business Lists The NAICS Association can provide Mission-Critical Information, Customized to meet your specific needs, with Pricing that will make your day!

Business E-mail Lists Our Marketing Experts can help you customize your lists by Industry, Annual Sales or # of Employees, Geography, NAICS/SIC Codes, and many other popular selects.

Prospecting Lists NAICS Association can provide you with Prospecting Lists for over 80 million B2B and B2C companies throughout the world.

Market Sizing

Market Sizing & Industry Research

Counts by Company Size, Industry & Geography Counts by NAICS and SIC Industry Sectors, Company Size, State, MSA & Country. Full Tables Free to View!

Market Analysis Profiles Three Market Analysis Profile Spreadsheets Available for Immediate Download. Profiles include Six-Digit NAICS Counts by Annual Sales, Total Employees, and Employees on Site.

Market Research Reference Tools A NAICS Association Recommended Guide to Free Online Market Research Tools Online.

Free Whitepaper Downloads Learn How to Use NAICS & SIC Codes for Marketing and How to Clone Your Best Customers for B2B Marketing Success.

Identify Company NAICS or SIC Codes One of Three Ways:


Turn Your E-mail List Purchase from NAICS into a High-Value Opt-in List with CLiCKback.

Use Clickback Lead Gen Edition to attract more leads. It uses ELG (Email Lead Generation) software that enables B2B companies to turn non permission-based contacts or purchased data into permission-based leads.

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Learn More About Email Lead Generation

See a Complete List of Business Resources
The NAICS Association offers Free & Paid Resources for Businesses of All Sizes. Perform Market Research, Build Lists, Append Data, Navigate Business Information & More.