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Kiewit Corporation is considered the largest road construction company in the United States based on revenue, particularly in the transportation segment. In 2021, Kiewit reported the highest revenue among its peers in this sector, reflecting its extensive involvement in major infrastructure projects across the country. Alongside Kiewit, other leading firms such as The Walsh Group Ltd. and Tutor Perini Corporation also generated significant revenues exceeding three billion U.S. dollars, highlighting the competitive landscape of large-scale construction companies. Kiewit's extensive experience, diverse project portfolio, and consistent financial performance have established it as a dominant player in the US road construction industry.