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.
Concrete Field Testing Technician—Grade I
Open for Registration 01.14.2026 (Denver)
Open for Registration 02.03.2026 (Denver)
Open for Registration 02.19.2026 (Durango) - Shared Session with Strength
Open for Registration 02.25.2026 (Colorado Springs)
Notice These are EXAM ONLY sessions—No training or review will be available at the exam.
TRAINING: Concrete Field Testing Technician—Grade I
Open for Registration 01.15.2026 (Denver)
Open for Registration 02.20.2026 (Grand Junction)
Registration Link Field 1 TRAINING Registration
Notice These are TRAINING SESSIONS ONLY—no exams will be administered at these sessions.
Concrete Strength Testing Technician
Open for Registration 02.05.2026 (Denver)
Open for Registration 02.19.2026 (Durango) - Shared Session with Field 1
Notice These are EXAM ONLY sessions—No training or review will be available at the exam.
Aggregate Testing Technician—Level 1
Open for Registration 02.05.2026 (Denver)
Registration Link Strength & Aggregate Level 1 Registration
Notice These are EXAM ONLY sessions—No training or review will be available at the exam.
Concrete Construction Special Inspector
Open for Registration 01.26.2026 - 01.30.2026 [Review + Exam]
Open for Registration 01.30.2026 [Exam Only] (Self-Study)
Registration Link 2026 CCSI Registration
Notice 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
Open for Registration 01.26.2026 - 01.30.2026 [Review + Exam]
Open for Registration 01.30.2026 [Exam Only] (Self-Study)
Registration Link 2026 CTCI Registration
Notice If you need to schedule a retest for a failed portion of this exam, please email aci@coloradocaa.org for assistance.
Links & Resources
Transfers & Cancellations
Transfer and Cancellation requests must be received with no less than 5 business days’ notice before the date of the exam 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.