It has been named the top U.S. Contractor by revenue by Engineering News - Record for 20 years in a row .
It has been ranked fifth on the publication 's Top 250 International Contractors list by revenue for 2017 .
It has been named the top U.S. Contractor by revenue by Engineering News - Record for 20 years in a row and ranked fifth on the publication 's Top 250 International Contractors list by revenue for 2017 .