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Accurate. Certified. Trusted.

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

Who we are

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.

Getting started

Working With ACS

1

Request an estimate

Email your plans, specs, and inspection program to estimating@acstesting.com and we’ll send you an estimate.

2

Complete project set-up

Work with scheduling to complete the New Project Form, Standard Agreement Form, and other set-up paperwork.

3

Schedule with dispatch

Book testing or an inspection by phone at (503) 443-3799 or at scheduling@acstesting.com.

4

Certified tech on site

A certified technician or inspector arrives ready to test, including nights and weekends.

Why ACS

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.

Credentials

Accreditations & Approvals

Independent accreditation means your results hold up with engineers, building officials, and public owners.

View our certifications

Ready to schedule testing?

Call (503) 443-3799 or send us a request.