AB Consultants, Inc.
Lanham,
Maryland
View Accreditation Certificate
Kim-Hou
Chan
9450 Annapolis Road
Lanham
,
Maryland
20706
Phone: (301) 306-3091
Fax:
kim.chan@abconsultantsinc.com
http://www.abconsultantsinc.com
Quality Management System - accredited since 12/21/2005
R18, C1077 (Aggregate), C1077 (Concrete), D3740 (Soil)
Soil - accredited since 3/16/2006
R58, T88, T89, T90, T99, T100, T180, T193, T265, T310, D421, D422, D698, D1140, D1557, D1883, D2216, D2487, D2488, D4318, D6938
Aggregate - accredited since 12/21/2005
C117, C127, C128, C136, C566, C702
Concrete - accredited since 12/21/2005
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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