Gessner Engineering, LLC
Brenham,
Texas
View Accreditation Certificate
Darren
Goldberg
2204 South Chappell Hill Street
Brenham
,
Texas
77833
Phone: 979-219-3175
Fax:
dgoldberg@gessnereng.com
http://www.gessnerengineering.com/
26-3528 : Accreditation has been suspended for Concrete standard(s) M201, R100 (Beams), R100 (Cylinders), T22, T97, C31 (Beams), C31 (Cylinders), C39, C78, C511
26-3528 : Accreditation has been suspended for Quality Management System standard(s) C1077 (Concrete), E329 (Concrete)
Quality Management System - accredited since 2/14/2013
R18, C1077 (Aggregate), E329 (Aggregate)
Aggregate - accredited since 2/14/2013
R76, T11, T19, T27, T84, T85, T176, T255, C29, C117, C127, C128, C136, C566, C702, D2419
Concrete - accredited since 2/14/2013
R60, T119, T121, T152, T196, T309, C138, C143, C172, C173, C231, 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 8/11/2026. Please visit https://aashtoresource.org for current accreditation status.
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