Hillis-Carnes Engineering Associates, Inc.
Williamsport,
Maryland
View Accreditation Certificate
Jason
Higgins
10228 Governor Lane Boulevard
Williamsport
,
Maryland
21795
Phone: (301) 582-4662
Fax:
jhiggins@hcea.com
http://www.hcea.com
Quality Management System - accredited since 10/2/2009
R18, C1077 (Concrete), E329 (Concrete)
Soil - accredited since 10/2/2009
D421, D422, D698, D1140, D1557, D2216, D2487, D2488, D4318
Aggregate - accredited since 10/2/2009
C117, C136
Concrete - accredited since 10/28/2013
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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