Private company

Flatiron Dragados

American heavy civil infrastructure contractor

Flatiron Dragados, previously Flatiron Construction Corporation and HBG Flatiron, is an American heavy civil infrastructure contractor headquartered in Broomfield, Colorado, and a subsidiary of Hochtief. Flatiron builds infrastructure such as bridges, highways, railways, roads, tunnels, hydropower facilities and oil along with gas and industrial infrastructure for the transportation, energy and water sectors.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 20, 2026.

Overview

  • IndustryHeavy and Civil Engineering Construction1
  • HeadquartersBroomfield1
  • Websitewww.fdcorp.com/en

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Flatiron Dragados, previously Flatiron Construction Corporation and HBG Flatiron, is an American heavy civil infrastructure contractor headquartered in Broomfield, Colorado, and a subsidiary of Hochtief. Flatiron builds infrastructure such as bridges, highways, railways, roads, tunnels, hydropower facilities and oil along with gas and industrial infrastructure for the transportation, energy and water sectors.2

Corporate structure

Flatiron Dragados is part of a group headed by Grupo ACS. 80 entities, 15 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

  • Grupo ACS Madrid, Spain
    • Hochtief Essen, Germany
      • Flatiron Dragados Broomfield
      • Turner Construction New York, New York, United States
      • STONEFORT INSURANCE HOLDINGS S.A. Subsidiary · 100% · Steinfort, Luxembourg
      • Dornan Engineering Holdings Limited Subsidiary · Cork, Ireland
      • DORNAN ENGINEERING LIMITED Subsidiary · Cork, Ireland
      • Flatiron Holding, Inc. Subsidiary · Firestone, Colorado, United States
      • HOCHTIEF Americas GmbH Subsidiary · Essen, Germany
      • HOCHTIEF Asia Pacific GmbH Subsidiary · Essen, Germany
      • HOCHTIEF Europe GmbH Subsidiary · Essen, Germany
      • HOCHTIEF Insurance Broking and Risk Management Solutions GmbH Subsidiary · Essen, Germany
      • HOCHTIEF Projektentwicklung GmbH Subsidiary · Essen, Germany
      • NEXPLORE Technology Holding GmbH & Co. KG Subsidiary · Essen, Germany
      • The Turner Corporation Subsidiary · New York, New York, United States
      • Turner International LLC Subsidiary · New York, New York, United States
      • TURNER INTERNATIONAL PROFESSIONAL SERVICES LIMITED Subsidiary · Dublin, Ireland
      • Yorizon GmbH & Co. KG Subsidiary · Berlin, Germany
      • Radisson Blu Hotel Frankfurt Owned · Frankfurt, Germany
    • Hochtief CZ Prague 5, Czechia
      • Garden Center Invest Subsidiary · 100% · Czechia
    • Abertis Subsidiary · Madrid, Spain
      • Autostrada Brescia Verona Vicenza Padova Verona, Italy
      • A4 Holding Subsidiary · Verona
      • RED DE CARRETERAS DE OCCIDENTE SAPI DE CV Subsidiary · 70% · Guadalajara, Mexico
        • CONCESIONARIA DE VIAS IRAPUATO QUERETARO SA DE CV Subsidiary · Guadalajara, Mexico
        • CONCESIONARIA IRAPUATO LA PIEDAD SA DE CV Subsidiary · Guadalajara, Mexico
      • ABERTIS FRANCE Subsidiary · Issy-Les-Moulineaux, France
        • SANEF Subsidiary · Issy-Les-Moulineaux, France
          • 1 more
      • ABERTIS INFRAESTRUCTURAS FINANCE B.V. Subsidiary · Amsterdam, Netherlands
      • Société des Autoroutes du Nord et de l'Est de la France Subsidiary · France
    • Dragados Subsidiary · Madrid, Spain
    • ACS DIGITAL & ENERGY SL Subsidiary · Madrid, Spain
      • ACS DIGITAL INFRASTRUCTURE DEVELOPMENT SL Subsidiary · Madrid, Spain
    • ACS Portsmouth Holdings, LLC Subsidiary · Coral Gables, Florida, United States
    • ACS SERVICIOS COMUNICACIONES Y ENERGIA SA Subsidiary · Madrid, Spain
      • ELECTRICIDAD ELEIA, S.L. Subsidiary · Madrid, Spain
      • ENCLAVAMIENTOS Y SEÑALIZACIÓN FERROVIARIA ENYSE, S.A.U. Subsidiary · Alcobendas, Spain
      • KINCARDINE OFFSHORE WINDFARM LIMITED Subsidiary · Madrid, Spain
    • BINDING STATEMENT SA Subsidiary · Madrid, Spain
    • CANADIAN TURNER CONSTRUCTION COMPANY, LTD. Subsidiary · New York, New York, United States
    • CARIATIDE SA Subsidiary · Madrid, Spain
    • CLECE FS, S.A. Subsidiary · Madrid, Spain
    • DRAGADOS SOCIEDAD ANONIMA Subsidiary · Madrid, Spain
      • DRACE GEOCISA SA Subsidiary · Madrid, Spain
      • GEOTECNIA Y CIMIENTOS, S.A Subsidiary · Coslada, Spain
      • HYDRO MANAGEMENT, S.L. Subsidiary · Madrid, Spain
      • MANCHASOL-1 CENTRAL TERMOSOLAR UNO SL Subsidiary · Madrid, Spain
      • VIAS Y CONSTRUCCIONES, S.A. Subsidiary · Madrid, Spain
    • Flatiron Construction Corp. Subsidiary · Firestone, Colorado, United States
    • Flatiron Constructors, Inc. Subsidiary · Firestone, Colorado, United States
    • FLATIRON DRAGADOS USA, INC. Subsidiary · New York, New York, United States
    • FUNDING STATEMENT SA Subsidiary · Madrid, Spain
    • GLENROWAN SOLAR FINANCE PTY LTD Subsidiary · Sydney, Australia
    • HIDROGESTION SA Subsidiary · Rozas de Madrid, Las, Spain
    • HOCHTIEF Construction Management Middle East GmbH Subsidiary · Essen, Germany
    • HOCHTIEF Development Czech Republic s.r.o. Subsidiary · Praha 5, Czechia
    • HOCHTIEF Development Hungary Ingatlanfejlesztő és - hasznosító Kft. "végelszámolás alatt" Subsidiary · Budapest, Hungary
    • HOCHTIEF Engineering GmbH Subsidiary · Essen, Germany
    • HOCHTIEF Infrastructure GmbH Subsidiary · Essen, Germany
    • HOCHTIEF POLSKA SPOLKA AKCYJNA (HOCHTIEF POLSKA SPÓŁKA AKCYJNA) Subsidiary · Warszawa, Poland
    • HOCHTIEF PPP Solutions GmbH Subsidiary · Essen, Germany
    • and 16 more

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries, stakes and holdings from Wikidata (CC0). Each entity in the chart links to its source.

Subsidiaries and ownership

Parent company

From Wikidata.1

Sources

The numbers on this page point here. Each one links to the record it came from.

  1. 1
  2. 2