Terracon Consultants, Inc.
Billings,
Montana
View Accreditation Certificate
Eric
Reifschneider
2110 Overland Avenue
Suite 124
Billings
,
Montana
59102
Phone: (406) 656-3072
Fax:
eric.reifschneider@terracon.com
http://www.terracon.com
Quality Management System - accredited since 6/1/2000
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 6/1/2000
R68, T30, T166, T209, T245, T269, T308, T312, D2041, D2726, D3203, D3549, D5444, D6307, D6925, D6926, D6927
Soil - accredited since 9/1/2000
R58, T89, T90, T99, T180, T265, T310, D421, D698, D1140, D1557, D2216, D2487, D2488, D4318, D6938
Aggregate - accredited since 10/1/2002
R76, T11, T21, T27, T84, T85, T176, T255, T304, T335, C40, C117, C127, C128, C136, C566, C702, C1252, D2419, D4791, D5821
Concrete - accredited since 5/22/2015
C31 (Cylinders), C39, C138, C143, C172, 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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