CGC, Inc.
Madison,
Wisconsin
View Accreditation Certificate
Mark
Skau
2921 Perry Street
Madison
,
Wisconsin
53713
Phone: (608) 288-4100
Fax:
mskau@cgcinc.net
https://http://www.cgcinc.net
Quality Management System - accredited since 12/7/2012
R18, D3666 (Aggregate), D3666 (Asphalt Mixture), E329 (Aggregate), E329 (Asphalt Mixture)
Asphalt Mixture - accredited since 12/7/2012
R47, T166, T209, T269, T312, D2041, D2726, D3203, D6925
Aggregate - accredited since 12/7/2012
R76, T11, T27, T84, T85, T96, T104 (Coarse Aggregate), T304, C88 (Coarse Aggregate), C117, C127, C128, C131, C136, C702, C1252
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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