KJJW Engineering Consultants, P.C. is rated 362nd in Engineering News-Record magazine's Top 500 Design Firms listing for 2005.
Based on 2004 revenues of $25.8 million, KJJW jumped from 440th place one year ago.
KJJW's staff includes more than 200 full-time employees in five offices in the Midwest, including Rock Island, Ill.; Des Moines, Iowa; Madison, Wis.; Chicago; and St. Louis.