Quality Construction Services

Construction Materials Testing

Whether it’s ASTM, AASHTO, AMRL, WSDOT, or WABO pedigrees you’re needing; OSG has them all. We have mobile laboratory services ready for to deploy to remote locations or long term on-site needs for material testing. OSG provides expertise and support for all your public infrastructure testing needs. Soils, aggregates, concrete, asphalt, compaction, and more!