Certifications for Maintenance and Repair Workers, General
26 certifications are listed for Maintenance and Repair Workers, General (O*NET 49-9071.00) in the U.S. Department of Labor's CareerOneStop Certification Finder. One of them is flagged in demand — CareerOneStop derives that from its analysis of national job-posting data. 18 are tied directly to this occupation; the other 8 are related.
The order is CareerOneStop's, not ours: in demand first, then NCCA- and ANAB-accredited, then the rest. Downloaded July 2026. Records marked confidential or withdrawn at source are not published here. Listing is not endorsement, and this page is not advice about which credential to pursue.
- Certified Maintenance and Reliability Technician(CMRT)In demand
- Indoor Air Quality Supervisor(IAQ-S)ANAB (ANSI) accredited
- Indoor Air Quality Technician(IAQ-T)ANAB (ANSI) accredited
- Smoke Control Systems Supervisor(SCS-S)ANAB (ANSI) accredited
- Aviation Airframe MechanicMilitary occupational specialty
- Fluid Power Connector and Conductor(CFPC&C)Military occupational specialtyIndustry-endorsed
- Fluid Power Industrial Hydraulic Technician(CFPIHT)Military occupational specialty
- Fluid Power Mobile Hydraulic Technician(CFPMHT)Military occupational specialty
- Fluid Power Pneumatic Technician(CFPPT)Military occupational specialtyIndustry-endorsed
- Level II Machine Lubrication Technician(MLT)Military occupational specialty
- SpaceTEC Certified Aerospace TechnicianMilitary occupational specialty
- Building Envelope Installer Technician(BEI-T)
- Building Performance Instruments
- Certified Apartment Maintenance Technician(CAMT)
- Certified Building Operator(CBO)
- Certified Maintenance Employee
- Duct Air Leakage Testing Technician(DALT-T)
- Fume Hood Performance Testing Technician(FHPT-T)
- Mechanical Acceptance Test Employer(MAT)
- Mechanical Acceptance Test Level 1 Technician
- Mechanical Acceptance Test Level 2 Technician Qualification
- Pneumatic Troubleshooting 1(C-304)
- Repairman Certificate for Amateur-Built Aircraft
- Smoke Control Systems Contractor(SCS-C)
- Certified Building Service Executive(CBSE)
- Certified Plant Engineer(CPE)
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Certification data from CareerOneStop, sponsored by the U.S. Department of Labor, Employment and Training Administration (DOLETA) and the Minnesota Department of Employment & Economic Development (DEED).
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