Construction Materials Testing & Special Inspections
Serving Portland Metro and the Pacific Northwest since 1995.
Since 1995
Locally owned in Tigard, OR
IAS Accredited
Independent testing lab
ODOT Certified
Transportation & public projects
Night & weekend
Crews when you need them
Your Local Testing & Inspection Experts
ACS Testing, Inc. has supported construction across Oregon and Southwest Washington since 1995. Based in Tigard, our accredited lab and certified field team test soils, asphalt, concrete, masonry, and structural steel.
Code-compliant results that help you pass inspections and stay on schedule.
Our Services
Materials Testing
Lab and field testing of soils, asphalt, concrete, masonry, and steel.
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Special Inspections
Code-required inspections by ICC-certified inspectors.
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Specialty Testing
GPR scanning, load testing, condition surveys, and welder certification.
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Working With ACS
Request an estimate
Email your plans, specs, and inspection program to estimating@acstesting.com and we’ll send you an estimate.
Complete project set-up
Work with scheduling to complete the New Project Form, Standard Agreement Form, and other set-up paperwork.
Schedule with dispatch
Book testing or an inspection by phone at (503) 443-3799 or at scheduling@acstesting.com.
Certified tech on site
A certified technician or inspector arrives ready to test, including nights and weekends.
Why Choose ACS Testing, Inc.
Certified and Experienced Team
Our technicians hold ACI, ICC, AWS, ASNT, and ODOT certifications, and our lab is IAS-accredited.
Fast, Accurate Results
Field and lab reports in 24–48 hours keep your project moving.
Night and Weekend Availability
Same-day cylinder pickup and crews equipped for night and weekend work.
Locally Owned and Operated
Proudly serving Oregon and Southwest Washington since 1995, with a deep understanding of regional codes, conditions, and client needs.