Photo courtesy of Summit West Aerial Solutions

Engineered Structures Inc. (ESI) is constructing office and parking structures at Micron's global headquarters in Boise.

ENR Mountain States & Southwest has named Idaho-based Engineered Structures Inc. (ESI) Contractor of the Year for the Intermountain area of Utah, Idaho and Montana.

In 2025, ESI generated more than $850 million in Mountain States revenue while remaining employee-focused, privately held and invested in the communities where it builds. A few of the contractor's recent Idaho projects include the College of Western Idaho Health and Science Building in Nampa, office and parking structures for Micron's global headquarters in Boise, and the Chancery, a complex urban redevelopment project in downtown Boise.

ENR Senior Editor Jennifer Seward covers the Mountain States & Southwest region, which includes Arizona, Colorado, Idaho, Montana, Nevada, New Mexico, Utah and Wyoming. She has more than two decades of experience writing for the AEC industry and reports from Denver.