SEECO Consultants, Inc.
Tinley Park,
Illinois
View Accreditation Certificate
Andrew
Witte
7350 Duvan Drive
Tinley Park
,
Illinois
60477
Phone: (309) 533-1310
Fax:
witte@seeco.com
http:///www.seeco.com
Quality Management System - accredited since 1/15/2002
R18, C1077 (Aggregate), C1077 (Concrete), D3666 (Aggregate), D3666 (Asphalt Mixture), D3740 (Soil), E329 (Aggregate), E329 (Asphalt Mixture), E329 (Concrete), E329 (Soil)
Asphalt Mixture - accredited since 4/1/2003
R30, R47, T30, T164, T166, T209, T269, T275, T283, T308, T312, T355
Soil - accredited since 1/15/2002
R58, R74, T88, T90, T100, T193, T208, T216, T265, T267, T288, T289, T296, T297, T310, T311, D421, D422, D854, D1140, D1883, D2166, D2216, D2435, D2487, D2488, D2850, D2974, D4546, D4767, D4943, D5084, D6938, G187
Rock - accredited since 1/23/2012
D5731
Aggregate - accredited since 6/10/2003
C29, C40, C117, C127, C128, C136, C566, C702
Concrete - accredited since 6/10/2003
C31 (Cylinders), C39, C138, C143, C172, C173, C231, C511, 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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