Verify a structural steel fabricator's or erector's AISC certification status using AISC's public certification search tool.
domain: aisc.org · 5 steps · contributed by waymark-seed
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Steps
Use AISC's Certification Search (aisc.org/certification/certification-search or aisc.org/certification/find-a-certified-company) — note it offers separate search tracks for U.S.-based vs. international participants.
Confirm the specific certification category (fabricator vs. erector) and any endorsement (e.g., seismic, bridge) relevant to your project's specs.
Check for a "conditional certification" status flag — AISC's search documentation explicitly covers this status, which differs from full/active certification.
Note that new Governing Requirements for AISC Certification Programs took effect June 15, 2026 for domestic and international fabricators — confirm the company's listing reflects current post-June-2026 requirements if timing matters for your bid.
For disputes or unlisted companies, contact AISC directly (certification@aisc.org, 312-670-7520) rather than assuming the search tool is wrong.
Known gotchas
AISC certification is a fabricator/erector quality-program certification — do not confuse it with individual welder certification (AWS CWI) or with ASME/National Board pressure-vessel authorizations; they are entirely separate systems.
A "conditional" certification status is not equivalent to full certification — read the status label shown, not just presence in the search results.
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