Rieth-Riley Construction Co., Inc.
Wyoming,
Michigan
View Accreditation Certificate
Joseph
Wekenman
2100 Chicago Dr SW
Wyoming
,
Michigan
49519
Phone: (616) 248-0920
Fax:
jwekenman@rieth-riley.com
http://rieth-riley.com
Quality Management System - accredited since 9/21/2018
R18, D3666 (Aggregate), D3666 (Asphalt Mixture)
Asphalt Mixture - accredited since 9/21/2018
R30, R47, R97, T30, T164 (Mineral Matter Not Determined), T166, T209, T269, T312, D2172 (Mineral Matter Not Determined), D3549, D3665
Aggregate - accredited since 9/21/2018
R76, R90, T19, T84, T85, T255, T304, T335
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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