Granite Construction Company
Sacramento,
California
View Accreditation Certificate
Ernesto
Marroquin
4001 Bradshaw Road
Sacramento
,
California
95827
Phone: (209) 812-5420
Fax:
Ernesto.Marroquin@gcinc.com
http://www.graniteconstruction.com
26-5881 : Accreditation has been suspended for Aggregate standard(s) T27, C136
Quality Management System - accredited since 1/15/2000
R18, D3666 (Aggregate), D3666 (Asphalt Mixture)
Asphalt Mixture - accredited since 1/15/2000
R30, R35, R47, R68, R79, R97, R121, T30, T166, T209, T245, T269, T275, T283, T308, T312, T324, T329, T340, T355, D979, D2041, D2726, D2950, D3203, D3549, D3665, D4867, D5444, D6307, D6925, D6926, D6927, D6931, D7227, D8225
Soil - accredited since 8/15/2002
R58, T89, T90, T99, T100, T180, T265, T310, D421, D698, D1140, D1557, D2216, D4318, D6938
Aggregate - accredited since 7/1/2000
R76, R90, T11, T19, T21, T37, T84, T85, T96, T100 (Mineral Filler), T104, T112, T176, T210, T255, T304, T335, C29, C40, C88, C117, C127, C128, C131, C142, C535, C566, C702, C1252, D75, D546, D2419, D3744, D4791, D5821
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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