RJN Group Inc.
200 W. Front Street
Wheaton, IL 60187
(630) 682-4700 / (630) 682-4754
RJN Group, Inc. is a professional engineering and specialty field services firm providing sustainable collection system solutions for infrastructure owners.
Established in 1975, RJN has earned national recognition as a professional engineering consulting firm and field services provider. RJN is ranked by Engineering News Record as a Top 200 Environmental Firm and a Top 500 Design Firm. Trenchless Technology has also recognized RJN as 15th in their list of Top 50 Trenchless Design Firms.
RJN serves a wide range of clients including municipal, county, sanitary districts, state and federal agencies. Our focus is on addressing client goals, supporting client interests, and delivering economical and sustainable results for the world’s natural and social environments. The outcome of RJN projects is improved integrity, service life, and performance of today’s infrastructure systems.