Rafter A. ltd
Oberlin,
Ohio
View Accreditation Certificate
Rich
Fredrickson
42653 Oberlin-Elyria Road
Oberlin
,
Ohio
44074
Phone: (440) 707-4014
Fax:
rfredrickson@raftera.com
http://www.raftera.com
Quality Management System - accredited since 10/8/2021
R18, C1077 (Concrete)
Concrete - accredited since 10/8/2021
C31 (Beams), C31 (Cylinders), C39, C78, C138, C143, C172, C173, C231, C511, C617 (8000 psi and below), 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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