How to Use Your NAICS Code to Find More Government Contracts

Your NAICS code is one of the most powerful tools in your government contracting arsenal, yet many small businesses don't fully leverage it to identify relevant opportunities. The North American Industry Classification System (NAICS) code is a standardized way the federal government categorizes businesses by industry, and understanding how to use it strategically can significantly expand your contract pipeline.

Understanding Your NAICS Code and Why It Matters

A NAICS code is a six-digit number assigned to your business based on the primary activities you perform. The federal government uses these codes to classify contracting opportunities, set-asides for small businesses, and track procurement data. When you register on SAM.gov, you'll select NAICS codes that accurately represent your business capabilities.

Why does this matter? Federal agencies search and filter contracting opportunities by NAICS code. If your code doesn't match the work being solicited, your business simply won't appear in relevant searches. Additionally, certain set-asides—like HUBZone small business contracts, 8(a) program opportunities, and women-owned small business (WOSB) contracts—are often restricted to specific NAICS codes. Choosing the right codes directly impacts your eligibility and visibility.

Most businesses can register multiple NAICS codes on SAM.gov, up to three primary codes. This is strategic: it expands the universe of opportunities your company is visible for, as long as each code accurately reflects work you're capable of performing.

Finding Government Contracts Using Your NAICS Code

Once your NAICS codes are registered, you have several tools to find contracts:

• SAM.gov Search: Use the advanced search filters on SAM.gov to search opportunities by NAICS code. You can view all active solicitations in your industry and set up custom notifications.
• FedBizOpps Archives: Search historical contract data by NAICS to understand agency spending patterns in your sector.
• GovSignal: AI-powered platforms like GovSignal use NAICS codes to automatically match your business capabilities with relevant opportunities, saving hours of manual searching and helping you focus on high-fit contracts.
• Agency Websites: Many federal agencies maintain procurement forecast pages organized by NAICS code, giving advance notice of future solicitations.

The key is consistency: ensure your NAICS codes on SAM.gov match the codes you're searching in these tools. If there's a mismatch, you'll miss opportunities or spend time on contracts you're not eligible for.

Maximizing Set-Asides and Contract Opportunities

Federal set-asides are contracting mechanisms reserved exclusively for eligible small businesses. Your NAICS code determines which set-asides you can pursue. For example, HUBZone set-asides require your business to be located in a designated HUBZone area and perform primary services within approved NAICS codes. Similarly, 8(a) program eligibility and WOSB certifications are tied to specific industry classifications.

Research the set-asides available in your NAICS codes. A business operating under construction NAICS code 238110 has different set-aside opportunities than one classified as 541330 (Engineering Services). Understanding these distinctions helps you pursue contracts with less competition and better odds of winning.

Many federal agencies are required to spend a percentage of their budgets on small business set-asides. When you have the correct NAICS code, you're positioned to compete for these reserved opportunities.

Strategic Tips for NAICS Code Selection and Usage

Choose NAICS codes based on your primary revenue generators and genuine capabilities. Don't select codes just to access more opportunities—federal agencies verify that your work aligns with your registered codes. If challenged, you could lose contracts or face compliance issues.

Review your NAICS codes annually. As your business evolves, your codes should evolve too. Adding a new service line? Consider registering an additional NAICS code that reflects this capability.

Use NAICS codes to research market competition. Filter contracts by NAICS to see how many businesses are competing in your space, typical contract values, and dominant agencies. This intelligence helps you position your business and identify underserved niches within your industry.

What if I don't know my correct NAICS code?

Visit the NAICS Association website or the Census Bureau's NAICS lookup tool. You can search by business description, and the system will suggest appropriate codes. When in doubt, select the code that best represents your primary business activity, and contact your contracting officer if you're unsure during the application process.

Can I change my NAICS codes on SAM.gov?

Yes, you can update your NAICS codes on SAM.gov at any time. Changes take effect immediately, though some procurement systems may not reflect updates in real-time. It's best to update your codes before major bidding cycles to ensure maximum visibility.

How do NAICS codes affect contract set-asides?

Many federal set-asides, including HUBZone, 8(a), and WOSB programs, have specific NAICS code eligibility requirements. Your registered codes directly determine which set-asides you can compete for. Always verify NAICS eligibility before pursuing a set-aside opportunity.