Welcome to Carlson Testing, Inc.

CTI provides a broad range of construction inspection, materials testing, and geotechnical engineering services in Oregon and Washington.

Founded in 1976, CTI now employs over 180 people. We are certified by the Oregon Building Officials Association, Washington Association of Building Officials, the City of Portland, the City of Corvallis and the Oregon Department of Transportation.

Our Tigard, Bend and Salem CTI laboratories are nationally accredited by the American Association of Laboratory Accreditation (A2LA). We offer rapid response, practical design, and reasonable fees.

If you would like more information on how we can assist you with your future projects, please see the contact information for our main office in the Portland metro area and our branch offices in Salem, Eugene and Bend.

ICC Evaluation Reports