The Contractor's CAGE Code Handbook: 25 Things Every Federal Contractor Should Know

The CAGE code is one of the simplest-sounding things in federal contracting — five characters — but it touches virtually every aspect of the procurement lifecycle. This handbook distills the most important things every federal contractor should understand about their CAGE code.

Registration Basics

1. CAGE codes are free. They are assigned automatically during SAM.gov registration — no separate application, no fees.
2. Your CAGE code never expires. But your SAM.gov registration does — renew it every 365 days or your code goes inactive. See our renewal guide.
3. CAGE codes are issued by the DLA, not SAM.gov. DLA administers the CAGE program; SAM.gov triggers the request during registration.
4. Foreign entities use NCAGE codes. NATO-member companies receive NCAGE codes through their national codification bureau.
5. Each legal entity gets its own CAGE code. A parent company and its subsidiary are separate entities with separate codes.

Identity and Compliance

6. Your legal name must match exactly. The name in SAM.gov must match your IRS filings. Discrepancies cause registration and payment problems.
7. Your address matters for certifications. HUBZone certification is tied to your principal office address in your CAGE code record.
8. Socioeconomic self-certifications are legal representations. False certifications trigger False Claims Act liability — keep them accurate.
9. Size recertification is required at key events. Novations, long-term option exercises, and acquisitions can trigger mandatory size recertification.
10. Monitor your FAPIIS record. Integrity information is publicly accessible by CAGE code lookup.

Contracting Mechanics

11. CAGE codes appear on every contract document. DD forms, WAWF invoices, contract modifications — your CAGE code is the constant identifier.
12. WAWF invoice rejections are often CAGE code mismatches. Verify your code matches the contract before submitting invoices.
13. Subcontractors need their own active CAGE codes. Verify subcontractor status using our decoder before including them in proposals.
14. Joint ventures need their own CAGE codes. A mentor-protégé or small business JV is a distinct legal entity — it must register separately.
15. Your CAGE code is your CPARS identity. All past performance ratings are linked to your code and follow you to every proposal.

Competitive Intelligence

16. CAGE codes unlock competitor research. Decode any CAGE code on our CAGE Code Decoder to identify a company. Then research its full history on FedAtlas.com.
17. FPDS data is organized by CAGE code. Every contract award record includes the awardee's CAGE code — it is the key to market analysis.
18. Incumbent CAGE codes tell you who to displace. Research the incumbent's contract history before competing against them.
19. Agency set-aside patterns vary significantly. Some agencies use almost exclusively small business set-asides; others rarely do. Research by agency before building your pipeline.
20. NAICS codes shape what opportunities you see. Choose your NAICS portfolio carefully — see our NAICS code guide.

Advanced Topics

21. NCAGE codes and U.S. CAGE codes can be the same number. DLA often adopts the NCAGE code when assigning a U.S. CAGE code to a foreign entity already in the NATO system.
22. Corporate restructuring requires CAGE code coordination. Name changes, mergers, and address changes all have CAGE code implications — see our restructuring guide.
23. SAM.gov exclusions are linked to CAGE codes. A debarred entity cannot circumvent the exclusion by using a different CAGE code — related entities may be excluded too.
24. CAGE codes appear in state contractor databases too. Many states cross-reference federal CAGE codes in their own vendor qualification systems.
25. Your CAGE code is your federal business identity. Treat it accordingly — keep the record accurate, the registration active, and the certifications honest.

Use our CAGE Code Decoder to look up any code instantly, and explore our full library of articles for in-depth coverage of every topic in this handbook.