ACI Certifications

Earn nationally recognized credentials through the Colorado Ready Mixed Concrete Association’s (CRMCA) certification programs. From field testing and strength testing to flatwork finishing and concrete construction specialties, our exams—administered in partnership with the American Concrete Institute (ACI)—ensure industry professionals meet the highest standards of quality, safety, and technical expertise.

The 2026 CRMCA ACI Certification Schedule with addresses is available under the Links & Resources menu on the right. To see exactly when a specific post-hiatus exam or training will open for registration, please click on that exam or training listing below.

Have questions or need assistance? Email us and we’ll get back to you shortly.

Concrete Field Testing Technician—Grade I

Field 1 EXAM Registration

EXAM ONLY—No training or review will be available during the session.
• 08.11.2026 [Denver]
• 08.12.2026 [Colorado Springs]

TRAINING: Concrete Field Testing Technician—Grade I

Field 1 TRAINING Registration

TRAINING ONLY—No exam will be administered during the session.
• 08.18.2026 [Denver]

Aggregate Testing Technician—Level 2

Advanced Lab Registration

EXAM ONLY—No training or review will be available during the session.
• 08.20.2026 Advanced Lab [Denver]

Concrete Laboratory Testing Technician—Level 2

Advanced Lab Registration

EXAM ONLY—No training or review will be available during the session.
• 08.20.2026 Advanced Lab [Denver]

Aggregate Base Testing Technician—ASTM

Advanced Lab Registration

EXAM ONLY—No training or review will be available during the session.
• 08.20.2026 Advanced Lab [Denver]

Aggregate Base Testing Technician—AASHTO

Advanced Lab Registration

EXAM ONLY—No training or review will be available during the session.
• 08.20.2026 Advanced Lab [Denver]

Self-Consolidating Concrete Testing Technician

Advanced Lab Registration

EXAM ONLY—No training or review will be available during the session.
• 08.20.2026 Advanced Lab [Denver]

Concrete Construction Special Inspector


If you need to schedule a retest for a failed portion of this exam, please email aci@coloradocaa.org for assistance.

Concrete Transportation Construction Inspector


If you need to schedule a retest for a failed portion of this exam, please email aci@coloradocaa.org for assistance.

Links & Resources


ACI scores and solely maintains all results & certification records—CRMCA does not have access to these details.

ACI Certification Verification: aci.certification@concrete.org 248.848.3790


Transfers & Cancellations

Transfer and Cancellation requests must be received in writing with no less than 5 business days’ notice before the date of the exam or training in order to be eligible for a change or refund. In order to request a transfer or cancellation, the request must be emailed to aci@coloradocaa.org; verbal requests will not be considered. Visit the ACI Program Policies page to review these, and other, policies in their entirety.

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