The US commercial and heavy construction contractors industry includes about 80,000 firms with combined annual revenue of about $545 billion. Major companies include Bechtel, Fluor, Jacobs Engineering, Peter Kiewit Sons’, and Turner Construction. The industry is highly fragmented. Worldwide construction revenue is more than $7 trillion per year, according to Oxford Economics. Top construction companies based outside the US include HOCHTIEF (Germany), STRABAG (Austria), Skanska AB (Sweden), and Balfour Beatty (UK).