Dulles Engineering, Inc.
Sterling,
Virginia
View Accreditation Certificate
Ali
Dar
45300 Catalina Ct
Suite 140
Sterling
,
Virginia
20166
Phone: (571) 521-9434
Fax:
ali.dar@dullesengineers.com
https://http://www.dullesengineers.com
Quality Management System - accredited since 4/10/2017
R18, C1077 (Concrete), D3740 (Soil), E329 (Concrete), E329 (Soil)
Soil - accredited since 4/19/2017
R58, T88, T89, T90, T99, T100, T180, T193, T265, T310, D421, D422, D698, D1557, D1883, D2216, D4318, D6938
Concrete - accredited since 4/10/2017
M201, R60, R100 (Cylinders), T22, T119, T121, T152, T196, T309, 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.
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