Kleinfelder, Inc.
Houston,
Texas
View Accreditation Certificate
Jacqui
Gilchrist
11665 Fuqua St
Suite 100A
Houston
,
Texas
77034
Phone: (281) 922-4766
Fax:
JGilchrist@kleinfelder.com
http://www.kleinfelder.com
Quality Management System - accredited since 1/2/2026
R18, C1077 (Aggregate), C1077 (Concrete), D3740 (Soil), E329 (Aggregate), E329 (Concrete), E329 (Soil)
Soil - accredited since 1/2/2026
D421, D698, D1140, D1557, D2216, D2487, D2974, D4318, D6913, D6938
Aggregate - accredited since 1/2/2026
C117, C127, C128, C136, C566, C702, D75
Concrete - accredited since 5/18/2026
C31 (Cylinders), C39, C138, C143, C172, C231, C511, 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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