Mountain States & Southwest Construction News

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To be considered for inclusion in the 2026 list of Mountain States & Southwest construction firms, fill out a survey by July 17.

Centrus Energy finalizes contract for $1B HALEU plant build in Ohio with Fluor as EPC, while Urenco USA eyes 2027 start of big expansion in New Mexico .

A story on ESI will appear in the August 24 print issue of ENR Mountain States and Southwest, which also will feature our annual ranking of the top construction firms across the eight-state region of Arizona, Colorado, Idaho, Montana, Nevada, New Mexico, Utah and Wyoming. 

ENR Mountain States & Southwest will profile Adolfson & Peterson in the August 24 print issue, which will also feature our annual ranking of the region's top contractors.

Arizona is closing the final four-lane gap on I-10 between Phoenix and Tucson with a $1-billion corridor upgrade designed to improve safety, reduce congestion and increase long-term resilience. Multiple projects are now underway, with the full Wild Horse Pass Corridor program scheduled for completion in 2029.

Arizona's new $11.3-billion transportation program does more than map future projects—it offers an early glimpse of how states are planning beyond IIJA.

Design and construction teammates reunite at renowned Colorado neuro-rehabilitation hospital for $250-million expansion.

Modern engineering feat ensures the Salt Lake City Temple respects its rich history while creating a stable future.

Innovation is the key to success for ENR Southwest’s Design Firm of the Year.