PEC was ranked among Engineering News-Record’s Top 500 Design Firms in 2025 and secured the 313^th spot. The annual list ranks companies by revenue from design services completed in 2024 and includes engineering, architecture firms, and contractors.

This national recognition highlights PEC’s continued growth and excellence in delivering comprehensive engineering solutions to our clients across the U.S. With a staff of more than 400 professionals and locations in 10 offices throughout Kansas, Oklahoma, Colorado, and Missouri, PEC continues to grow every year. Most recently, the firm announced an office expansion in Kansas City that will add 15 local team members to that office.

PEC was formed in 1965 and celebrates its 60^th anniversary this year.