The Lewis Group Inc. (TLG) is a trusted name in the water utility industry, known for its comprehensive expertise in utility billing systems, water management, and infrastructure development. Based in Flossmoor, Illinois, TLG has earned a reputation for delivering innovative, tailored solutions that address complex water management challenges faced by municipalities in suburban Cook County and beyond. TLG’s commitment to providing cost-effective and sustainable water solutions has made it a leader in the water utility sector.