Layton and STO Building Group Merge to Form Largest Privately Held US Builder

Amazon Fulfillment

In what would be its largest addition, New York City-based contractor STO Building Group Inc. said on Dec. 4 that it has signed an M&A deal under which Layton Construction Co. LLC, a Sandy, Utah, building construction firm with 1,000 employees, would become part of the new parent’s expanding growth platform.