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Janssen & Spaans Engineering, Inc. (JSE) has been providing engineering excellence for over 30 plus years on transportation projects throughout the United States and abroad. JSE’s ability to provide exceptional design solutions is confirmed by our numerous national and local engineering achievement Awards.
Over the years we have successfully provided design services for small to very large complex transportation and building projects. Our experienced staff of professional design engineers, inspectors and surveyors have developed a reputation of providing our clients with innovative and cost-effective designs that benefit owners, governmental agencies and contractors.
JSE is committed to delivering outstanding service, keeping our projects within budget and delivering them on time.