The Gateway Company
of Missouri

6425 Graham Rd.
St. Louis, MO 63134

314-524-7440

The Gateway Company
of Illinois

109 E. Ohio St.
Joliet, IL 60432

815-722-0703

Our Clients

Corporations

  • APF Construction
  • Brush Wellman
  • Central Industrial Construction
  • Deseret Power
  • Flat Iron
  • Gerber Construction
  • Great Basin Industrial
  • Huish Chemical
  • Intermountain Power Provider
  • Kennecott Corp
  • Materion States Steel
  • Numont Gold Min
  • Pacificorp
  • Phillips 66-Holly Refinery
  • Proctor & Gamble
  • Qualico Steel
  • Questar
  • Rocky Mountain Fabrication
  • Salt Creek Welding
  • Tesoro
  • US Magnesium
  • University of Utah
  • WW Clyde
  • Wollam Construction
  • Wolverine Gas and Oil

Cities

  • Aurora, CO
  • Cedar City, UT
  • Denver, CO
  • Ely, NV
  • Las Vegas, NV
  • Mapleton, UT
  • Mt Aires/Parley Canyon
  • N. Las Vegas, NV
  • Price, UT
  • Provo, UT
  • Salt Lake City, UT
  • South Valley, UT
  • St. George, UT
  • Syracuse, UT
  • Thornton, CO
  • White City, UT

Counties

  • Central Utah Water Conservancy District
  • City of Mapleton
  • Davis and Weber Counties
  • Deer Creek Penstocks
  • Deseret Power Coop
  • Diamond Fork
  • Echo Dam, Coalsville, UT
  • Granger-Hunter Impr. District
  • Jordan Basin Water Conservation
  • Jordan Valley Water
  • Jordanelle Dam, Heber City, UT
  • Moon Lake Water Assoc
  • Ogden River Water Association
  • Provo Resevoir/Ames Construction
  • Provo River Water User Assoc
  • Strawberry Water Users Assoc
  • Sunnyside Power Plant
  • Weber Basin WCD
  • White City Water

State Bureaus or Departments

  • Idaho Dept of Transportation
  • Nevada Department of Transportation
  • Oregon Department of Transportation
  • Utah Dept of Transportation
  • Utah Transit Authority
  • Wyoming Dept of Transportation

US Governments or Departments

  • NSA Data Center
  • Toole Army Depot
  • US Bureau of Reclimation
  • USAF - Cannon AFB, NM
  • USDA - Forest Service, WY