For over 40 years, the ENR Top 600 Specialty Contractors ranking has not only showcased the largest specialty contractors in the U.S., but it has also measured the markets for specialty trade and subcontracting services and identified key issues and trends that have affected how firms do business. Congratulations Prism on your 2021 ENR rankings!

CLICK HERE to view the full Engineering News-Record Report Top 600 Specialty Contractors.