Janssen & Spaans Engineering, Inc.

janssen & spaans engineering, inc. has been providing engineering excellence since 1976 for government agencies, contractors and consultants on projects throughout the united states and abroad. the firms corporate office is located on the northeast side of indianapolis with branch offices in columbus indiana, chicago, and florida. jse specializes in providing transportation design solutions for complex bridge and road construction projects. jse's experienced professional engineers are known for providing innovative and cost effective designs that benefit clients through reduced construction costs and improved construction efficiencies. jse has earned a distinct reputation for providing unique design solutions for complex bridges especially post-tensioned concrete structures. the firm's ability to provide notable design solutions is attested by numerous national and local awards and by recognition in national engineering publications.