Tolunay-Wong Engineers, Inc.
Pasadena,
Texas
View Accreditation Certificate
Michael
Melendez
3234 Pasadena Freeway
Pasadena
,
Texas
77503
Phone: (281) 471-2042
Fax:
mmelendez@tweinc.com
http://tweinc.com
Quality Management System - accredited since 9/5/2019
R18
Soil - accredited since 9/5/2019
D698, D1140, D1557, D2216, D2487, D2488, D4318, D4718, D6938
Aggregate - accredited since 9/5/2019
C117, C127, C128, C136, C566, C702, D75
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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