Our experts have depth and breadth of experience in special inspections, field observation, and field and laboratory testing, including, but not limited to, soils, aggregate, concrete, masonry, reinforcing steel, wood, structural steel, precast concrete, fireproofing, and asphaltic concrete.

Olsson provides facilities and expertise you won’t find just anywhere, like our strategically located structural steel, nondestructive testing, and destructive testing labs.

Our labs are accredited by the American Association of State Highway and Transportation Officials (AASHTO) Materials Reference Laboratory and Cement and Concrete Reference Laboratory and are certified by the U.S. Army Corps of Engineers. We also employ mobile labs when it’s more convenient for our clients.