Engineering News-Record, a McGraw Hill Construction trade publication, has listed Interstates as No. 170 on a ranking of the Top 600 Specialty Contractors for 2015.
Each year this trade journal rates specialty contracting companies based on their dollar volume of business the previous year. The rankings track performance in 16 different categories, including mechanical engineering, sheet metal, masonry, drywall, and excavation.
Read the full report online.