Thompson Engineering, Inc.
Richland,
Mississippi
View Accreditation Certificate
Richard
Sheffield
701 Hwy 49 S
Suite D
Richland
,
Mississippi
39218
Phone: (601) 899-9252
Fax:
rsheffield@thompsonengineering.com
http://www.thompsonengineering.com
Quality Management System - accredited since 5/18/2015
R18
Asphalt Mixture - accredited since 9/11/2018
R79, T166 (Cores), T331 (Cores)
Soil - accredited since 5/18/2015
R58, T88, T89, T90, T99, T100, T180, T208, T216, T265, T296, T310, D421, D422, D698, D1140, D1557, D2166, D2216, D2435, D2850, D4318, D6938
Aggregate - accredited since 5/18/2015
R76, R90, T11, T27, T84, T85, T255, C117, C127, C128, C136, C566, C702, D75
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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