Granite Construction Company
Tucson,
Arizona
View Accreditation Certificate
Michael
Tallion
Swan Road Plant
9301 S. Swan Road
Tucson
,
Arizona
85756
Phone: (760) 578-2998
Fax:
michael.tallion@gcinc.com
http://www.graniteconstruction.com
Quality Management System - accredited since 6/1/1989
R18, D3666 (Aggregate), D3666 (Asphalt Mixture)
Asphalt Mixture - accredited since 6/1/1989
R30, R35, R47, R68, R97, T30, T166, T209, T245, T269, T275, T283, T308, T312, T329, D979, D2041, D2726, D3203, D3549, D4867, D5444, D6307, D6925, D6926, D6927
Soil - accredited since 6/1/1989
R58, R74, T89, T90, T99, T100, T265, D421, D698, D2216, D4318
Aggregate - accredited since 6/1/1989
R76, R90, T11, T19, T27, T37, T84, T85, T100 (Mineral Filler), T112, T176, T255, T304, T335, C29, C117, C127, C128, C136, C142, C566, C702, C1252, D75, D546, D2419, 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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