Holt Engineering, Inc.
Austin,
Texas
View Accreditation Certificate
Hunter
Holt
2220 Barton Skyway
Austin
,
Texas
78704
Phone: (512) 815-9697
Fax: (512) 447-0852
h.holt@holteng.com
http://www.holteng.com
Quality Management System - accredited since 9/1/1999
R18, C1077 (Concrete), D3740 (Soil), E329 (Concrete), E329 (Soil)
Soil - accredited since 9/1/1999
D421, D422, D698, D854, D1140, D1557, D2166, D2216, D2487, D2488, D2974, D4318, D4643, D5084, D6913, D6938
Rock - accredited since 6/27/2018
D4543, D7012 (Method C without D4543 sample preparation), D7012 (Method C)
Concrete - accredited since 2/1/2002
C31 (Cylinders), C39, C138, C143, C172, C173, 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.
|