Hensel Phelps Construction Co. is one of the largest general contractors and construction managers in the United States, ranked consistently among ENR's (Engineering News-Record) top 20 Contractors by revenue.

[2] Founded in 1937 by Abel Hensel Phelps as a small, local builder in Greeley, Colorado, Hensel Phelps has become a multibillion-dollar, employee owned national contractor with an eclectic portfolio of completed projects.

Hensel Phelps currently has 11 district offices across the country, as well as additional regional offices.

[3][4] In August 2021, Hensel Phelps announced its acquisition of Colorado-based Hydro Construction, which specializes in construction of water and wastewater treatment facilities.

[5][6] Hensel Phelps was named number one on Building Design and Construction’s Top 60 Airport Facility Construction Firm for 2024.