Results found: 1

Olsson, Inc.

Oklahoma City, Oklahoma


View Accreditation Certificate
Mark Sermersheim
9500 Pole Road Oklahoma City , Oklahoma 73160

Phone: (405) 242-6600 Fax: dkowal@olsson.com http://www.olsson.com
Quality Management System - accredited since 9/2/2014
R18, C1077 (Aggregate), C1077 (Concrete), D3666 (Aggregate), D3666 (Asphalt Mixture), D3740 (Soil)

Asphalt Mixture - accredited since 10/6/2014
R47, D979, D2041, D2726, D2950, D3203, D5444, D6307, D6925

Soil - accredited since 10/6/2014
D421, D422, D698, D1140, D1557, D1883, D2166, D2216, D2487, D2488, D4318, D4643, D4718, D6938

Aggregate - accredited since 10/6/2014
C29, C117, C127, C128, C136, C142, C566, C702, D75, D2419

Concrete - accredited since 9/2/2014
C31 (Beams), C31 (Cylinders), C39, C78, C138, C143, C172, C231, C511, C617 (7000 psi and below), C1064, C1231 (7000 psi and below)

Please note that our accreditations do not include an expiration date. An accreditation only expires when the laboratory fails to comply with our accreditation requirements.

* This information is only valid as of 10/27/2026. Please visit https://aashtoresource.org for current accreditation status.
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