NAICS to SIC Cross Reference

Resource Category:Market Research
Resource Type:Contract Data
Cross-reference mapping between NAICS and SIC codes.
Join To Download

The NAICS to SIC Crosswalk is a comprehensive reference document that provides a systematic mapping between two industry classification systems: the North American Industry Classification System (NAICS) and the Standard Industrial Classification (SIC) system.

Covering every industry and NAICS code, the crosswalk allows researchers, economists, and businesses to translate industry codes between these two different frameworks, facilitating more consistent data analysis and comparison across industrial subsectors.

Your Next Contract Win Starts Here. 

Join Inner Circle and get the coaching, tools, and community serious contractors rely on.

Government Sales Training 101

Get The Course - Paid For By Us

Get instant access to our free course and start building your government contracting expertise.

Get Instant Access

2 Ways To Get Started

Learn on Your Own?

Federal Sales Training Center

Start with the Federal Sales Training Center. We teach you everything you need to win government contracts. The most comprehensive and award-winning platform in the market – featuring basic and advanced training, step-by-step guides, templates, and proven strategies covering who buys what you sell, marketing, business development, teaming, proposals, and corporate operations. Thousands of companies have started with the Federal Sales Training Center.
  • 90% of our clients win using these strategies!
  • For ANY size company - from startup to Fortune 500!
  • Get proven tactics that actually WIN contracts!
  • Know what the government wants and WIN with confidence!
  • Build competitive advantage that makes you stand out!
  • PLUS the GovCon Vault: 200+ templates & strategies!
Get Access Now - $199/mo

Ready to Win Faster?

Inner Circle 

Inner Circle skips the waiting. You get total access to the Federal Sales Training Center PLUS weekly live coaching sessions from the RSM Federal leadership team – the same team that has helped companies win billions in federal contracts. You’re not learning alone – you’re working alongside our coaches and other companies that are winning government contracts today. Most companies see results in 3 to 6 months.
  • Weekly coaching calls with the team behind $14B in wins!
  • Get answers to YOUR questions in real-time!
  • Never struggle alone - we're here every week!
  • Network with peers who are winning contracts today!
  • Navigate challenges with direct expert support!
  • See results in 3-6 months with guided acceleration!
Join Inner Circle Today - $249/mo