- Certification Branches - formerly Aircraft Certification Offices (ACO)
- Aircraft Evaluation Division (AED)
- Airports Regional Offices
- Certificate Management (CM) Branches - formerly Manufacturing Inspection Offices (MIO)
- Certificate Management Offices (CMO)
- Flight Standards District Offices (FSDO)
- International Flight Standards Offices
- Certificate Management (CM) Sections - formerly Manufacturing & Inspection District Offices (MIDO)
- Mike Monroney Aeronautical Center
- Regional Flight Surgeon Contact Information
- Regional Offices
- Security and Hazardous Materials Offices
- William J. Hughes Technical Center
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