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ENGEO Incorporated

Lathrop, California

View Accreditation Certificate
Donny Bryant
17278 Golden Valley Parkway Lathrop , California 95330

Phone: (209) 382-1825 Fax: (888) 279-2968
Quality Management System - accredited since 2/14/2017
R18, C1077 (Aggregate), C1077 (Concrete), D3740 (Soil), E329 (Aggregate), E329 (Concrete), E329 (Soil)

Soil - accredited since 2/14/2017
D421, D422, D698, D854, D1140, D1557, D2166, D2216, D2435, D2487, D2488, D2850, D2974, D3080, D4318, D4546, D4718, D6913, D6938, D7263

Aggregate - accredited since 2/14/2017
C40, C117, C127, C128, C136, C566, C702

Concrete - accredited since 8/6/2018
C31 (Cylinders), C39, C138, C143, C172, C173, C231, C511, C617 (6000 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 5/18/2024. Please visit for current accreditation status.