Stevens, Ferrone & Bailey Engineering Company, Inc.
Concord,
California
View Accreditation Certificate
Rene
Tuazon
1600 Willow Pass Ct.
Concord
,
California
94520
Phone: (925) 688-1001
Fax:
rtuazon@sfandb.com
https://http://www.sfandb.com
Quality Management System - accredited since 7/10/2009
R18, C1077 (Concrete), D3740 (Soil), E329 (Concrete)
Soil - accredited since 7/10/2009
D421, D698, D1557, D2216, D4318, D6938
Concrete - accredited since 12/6/2016
C31 (Cylinders), C39, C138, C143, C172, C173, C231, C511, C1064, C1231 (6000 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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