Knife River to acquire Strata for $454m.

Knife River, a construction materials and contracting services provider, agreed to acquire Strata, a construction materials and contracting services provider, for $454m. “Strata is respected among its peers and in its communities, and is well-known for its strong culture and expertise. It is a great success story – growing from a single gravel operation into a leading supplier of construction materials that employs over 900 team members during the peak season. We look forward to completing the transaction and welcoming the Strata team to the Life at Knife,” Brian Gray, Knife River President and CEO.