About the Directory

Finding the Right Testing Partner

Construction materials testing is critical to every building and infrastructure project. Concrete strength, soil compaction, asphalt quality, and steel integrity determine structural safety and code compliance. Yet finding a qualified testing laboratory often means cold-calling, relying on outdated referrals, or sifting through generic contractor directories.

ConstructionMaterialsTestingDirectory.com exists to solve this problem. We provide a searchable directory of certified CMT laboratories across the United States, with detailed profiles covering services, accreditations, and areas of expertise.

For Project Owners

• Browse by location and specialty — Filter labs by state, service type (concrete testing, soil compaction, asphalt analysis), and accreditations (AASHTO, ASTM, ACI, ICC).
• Post project requirements — Submit an RFP describing your testing needs, timeline, and location. Matching labs receive notifications and can respond with proposals.
• Compare proposals side-by-side — Review qualifications, turnaround times, and pricing from multiple labs before making a decision.
• Verified reviews — See feedback from previous clients who have completed projects with each laboratory.

For CMT Laboratories

• Increase visibility — Appear in search results when project owners look for labs with your specific expertise and coverage area.
• Receive qualified leads — Get notified about RFPs that match your services and geographic coverage. No more chasing unqualified inquiries.
• Showcase credentials — Display your AASHTO accreditation, ASTM certifications, ICC credentials, and testing capabilities.
• Build reputation — Collect verified reviews from completed projects to demonstrate your track record.

Services Covered

The directory includes laboratories offering a wide range of testing services: