7NT Engineering, LLC
Columbus,
Ohio
View Accreditation Certificate
Anthony
Held
1573 Westbelt Drive
Columbus
,
Ohio
43228
Phone: (614) 946-7461
Fax:
anthony.held@7nteng.com
http://www.7nteng.com
Quality Management System - accredited since 8/29/2023
R18, C1077 (Concrete), E329 (Concrete)
Concrete - accredited since 8/29/2023
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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