Use the search engine below to search for AISC Certified companies by Certification category, name, city, state, and proximity to a job site. This search engine helps put specifiers and contractors in contact with Certified companies and also provides an easy way to “pre-qualify” bidders in a particular area.
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Note:"Perform work in the state of" is no longer searchable. AISC Quality Certification Program has over 1,300 participants capable of doing work in all states.


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KEY: Categories of Certification:

  • BU: Certified Building Fabricator (previously noted as acronym "STD")
  • SBR: Certified Bridge Fabricator - Simple
  • IBR: Certified Bridge Fabricator - Intermediate (Major) 1
  • ABR: Certified Bridge Fabricator - Advanced (Major) 2
  • CBR: Major Steel Bridges 3
  • CPT: Certified Component Manufacturer - Bridge 
  • CSE: Certified Steel Erector 
  • ASCE: Advanced Certified Steel Erector 4
  • FCE: Fracture Critical Endorsement
  • SPE-P1: Sophisticated Paint Endorsement - Enclosed 5
  • SPE-P2: Sophisticated Paint Endorsement - Covered 5
  • SPE-P3: Sophisticated Paint Endorsement - Exposed


1 All facilities certified as Certified Bridge Fabricator - Intermediate (Major) automatically qualify for the Certified Bridge Fabricator - Simple category.

2 All facilities certified as Certified Bridge Fabricators - Advanced (Major) automatically qualify for both the Certified Bridge Fabricator - Simple & Intermediate (Major) categories.

3 CBR: Major Steel Bridges category is only listed as a reference to allow transportation departments additional time to update their standard specifications.

4 All companies certified as AISC Advanced Certified Steel Erector automatically qualify for the Certified Steel Erector category.

5 All facilities certified as SPE-P1 are certified as SPE-P2 & P3. All facilities certified as SPE-P2 are certified as SPE-P3.