Sales for the industry’s leaders — electrical design firms that make up the 2016 EC&M Top 40 List ranked by revenue — surged nearly 11% last year to $1.858 billion. In moving up from the $1.68 billion reported by the firms on the 2015 Top 40 list, the leading designers’ top line eclipsed the $1.808 billion reported by the 2014 EC&M Top 40, and put more distance between the $1.348 billion logged by the 2013 leaders.

View the 2016 Top 40 Electrical Design Firms Table.