Copper State Engineering, Inc.
Scottsdale,
Arizona
View Accreditation Certificate
Shelley
Curtis
16621 N 91st Street
Suite 104
Scottsdale
,
Arizona
85260
Phone: (515) 282-8818
Fax: (515) 282-8741
shelley@teamservices.com
http://www.copperstate-eng.com
Quality Management System - accredited since 8/26/2025
R18, C1077 (Aggregate), D3666 (Aggregate), D3740 (Soil), E329 (Aggregate), E329 (Soil)
Asphalt Mixture - accredited since 8/26/2025
T166 (Cores), T355, D2726 (Cores), D2950
Soil - accredited since 8/26/2025
R58, T89, T90, T99, T180, T191, T216, T236, T265, T310, D421, D698, D1140, D1556, D1557, D2216, D2435, D2487, D2488, D3080 (7000 lb/ft-sq or Greater Normal Stress), D4318, D4546, D4643, D4718, D4829, D6938, D7928
Aggregate - accredited since 8/26/2025
R76, R90, T11, T19, T27, T84, T85, T255, C29, 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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