ADR & Associates, Ltd. (ADR) is an employee-owned consulting engineering and surveying firm based in Newark, Ohio. Since 1997, ADR has provided professional services to counties, townships, cities, villages, ODOT, ODNR, and other public agencies throughout Ohio. Our firm is known for delivering practical, cost-effective engineering and surveying solutions with a strong emphasis on responsiveness, collaboration, and client satisfaction. We prioritize clear communication, quality deliverables, and a team-oriented approach.