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Browse the Top Engineering Companies Serving Wheaton, IL

See what engineering companies serving Wheaton, IL offer, from design and technical consulting to project planning and engineering support. Review company profiles, read client feedback, and contact firms that match your project requirements.
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RJN Group
50+ Years
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RJN Group is a 50-year-old employee-owned engineering firm specializing in water infrastructure solutions. We provide wastewater flow monitoring, stormwater management, clean water system optimization, and comprehensive asset inspections using advanced technologies. Our services empower municipalities to reduce costs, extend infrastructure lifespans, and ensure regulatory compliance through data-driven decision-making.
Wastewater Flow Monitoring Clean Water Asset Management Stormwater Field Services
(630) 682-4700 Call Profile
Naperville (8.3 mi) Schaumburg (11.6 mi) Arlington Heights (16.7 mi) Glendale Heights (3.6 mi) Warrenville (4.8 mi) Lisle (4.8 mi) Lombard (5.2 mi) Downers Grove (6.3 mi) Westmont (8.3 mi) Clarendon Hills (9.2 mi)