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 11.05.2025 (Denver)
Open for Registration 11.19.2025 (Denver)
Open for Registration 12.03.2025 (Denver)
Open for Registration 12.10.2025 (Denver) - This is the last Field 1 exam scheduled for 2025.
Registration Link Field 1 EXAM Registration
Notice These are EXAM ONLY sessions—No training or review will be available at the exam.
TRAINING: Concrete Field Testing Technician—Grade I
Notice These are TRAINING SESSIONS ONLY—no exams will be administered at these sessions.
Concrete Strength Testing Technician
Open for Registration 11.06.2025 (Denver)
Open for Registration 12.04.2025 (Denver) - This is the last Strength exam scheduled for 2025.
Registration Link Strength EXAM Registration
Notice These are EXAM sessions only—no training or review will be provided.
Aggregate Testing Technician—Level 1
Open for Registration 11.20.2025 (Denver) - This is the last Agg 1 exam scheduled for 2025.
Registration Link Aggregate Level 1 Registration
Notice These are EXAM ONLY sessions—No training or review will be available at the exam.
Aggregate Testing Technician—Level 2
Open for Registration 12.04.2025 (Denver) - This is the last Agg 2 exam scheduled for 2025.
Registration Link Aggregate 2 Exam Registration
Notice These are EXAM ONLY sessions—No training or review will be available at the exam.
Concrete Laboratory Testing Technician—Level 2
Open for Registration 12.11.2025 (Denver) - This is the last Laboratory 2 exam scheduled for 2025.
Registration Link Laboratory 2 Registration
Notice These are EXAM ONLY sessions—No training or review will be available at the exam.
Aggregate Base Testing Technician
Open for Registration 12.11.2025 (Denver) - This is the last Aggregate Base exam scheduled for 2025.
Registration Link Aggregate Base Registration
Notice These are EXAM ONLY sessions—No training or review will be available at the exam.
Concrete Flatwork Associate, Finisher, & Advanced Finisher
Open for Registration 10.23.2025 (Centennial) - This is the last Flatwork exam scheduled for 2025.
Registration Link Flatwork Associate Registration
Concrete Construction Special Inspector
Open for Registration 01.26.2026 - 01.30.2026 [Training + Exam]
Open for Registration 01.30.2026 [Exam Only] (Self-Study)
Registration Link 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 [Training + Exam]
Open for Registration 01.30.2026 [Exam Only] (Self-Study)
Registration Link 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.