Trade certifications
Concrete Contractor Certifications Beyond Licensing
State and local licenses tell you whether a contractor can operate in concrete contractor work, but they rarely show specialty depth. These certifications highlight safety training, manufacturer authorization, code knowledge, diagnostic skill, and third-party trade credentials homeowners can ask to verify before hiring.
Credentials to verify
ACI Concrete Field Testing Technician - Grade I
American Concrete Institute
- What it proves
- This concrete credential verifies field sampling, slump, temperature, air content, unit weight, cylinder molding, ASTM procedures, test documentation, and acceptance testing basics. It signals that the person or firm completed a recognized exam, training, or credentialing process and can explain the documented methods behind the work. It does not replace state licensing, permits, insurance, or manufacturer warranty requirements.
- Who should have it
- Concrete finishers, QA technicians, and contractors documenting ready-mix quality on pours.
- How to verify
- Ask for the ACI certification number and verify at https://www.concrete.org/certification/verifyacertification.aspx.
ACI Concrete Flatwork Associate/Finisher
American Concrete Institute
- What it proves
- This flatwork credential verifies subgrade preparation, forms, reinforcement, placement, consolidation, finishing, jointing, curing, hot and cold weather practices, and defect prevention. It signals that the person or firm completed a recognized exam, training, or credentialing process and can explain the documented methods behind the work. It does not replace state licensing, permits, insurance, or manufacturer warranty requirements.
- Who should have it
- Contractors placing driveways, sidewalks, slabs, patios, steps, and garage floors.
- How to verify
- Ask for the ACI credential number and verify through ACI's certification lookup.
ACI Concrete Construction Special Inspector
American Concrete Institute
- What it proves
- This inspection credential verifies reinforced concrete inspection, plans and specifications, placement observation, sampling coordination, curing checks, reinforcement details, and reporting expectations. It signals that the person or firm completed a recognized exam, training, or credentialing process and can explain the documented methods behind the work. It does not replace state licensing, permits, insurance, or manufacturer warranty requirements.
- Who should have it
- Quality-control leads, inspectors, and structural concrete contractors on permitted structural pours.
- How to verify
- Ask for the ACI certification number and confirm active status with ACI's public verification tool.
ACI Concrete Repair Application Specialist
American Concrete Institute
- What it proves
- This repair credential verifies concrete deterioration causes, surface preparation, repair materials, application methods, curing, quality control, safety, and compatibility with structural repair specifications. It signals that the person or firm completed a recognized exam, training, or credentialing process and can explain the documented methods behind the work. It does not replace state licensing, permits, insurance, or manufacturer warranty requirements.
- Who should have it
- Foundation, concrete repair, balcony, garage, and structural patching specialists.
- How to verify
- Ask for the ACI credential number and verify status in ACI's certification database.
NRMCA Concrete Delivery Professional
National Ready Mixed Concrete Association
- What it proves
- This ready-mix credential verifies concrete delivery knowledge, slump control, jobsite communication, truck mixer operations, safety, washout practices, and documentation for delivered concrete. It signals that the person or firm completed a recognized exam, training, or credentialing process and can explain the documented methods behind the work. It does not replace state licensing, permits, insurance, or manufacturer warranty requirements.
- Who should have it
- Ready-mix drivers and suppliers supporting residential concrete pours.
- How to verify
- Ask the concrete supplier for NRMCA CDP documentation for the delivery crew or plant.
OSHA 10-Hour Construction
OSHA Training Institute Education Centers
- What it proves
- This safety credential covers basic construction hazards, fall prevention, electrical awareness, struck-by and caught-between risks, PPE, hazard communication, and worker rights for field crews. It signals that the person or firm completed a recognized exam, training, or credentialing process and can explain the documented methods behind the work. It does not replace state licensing, permits, insurance, or manufacturer warranty requirements.
- Who should have it
- Field technicians, installers, helpers, and crew leads on residential job sites.
- How to verify
- Ask to see the Department of Labor OSHA card and compare the name, course, trainer, and completion date.