Controlled Substance Managers, Inc., located in Chicago, IL, specializes in providing comprehensive drug testing services to businesses and organizations. Their experienced team offers reliable testing solutions to ensure regulatory compliance and promote a safe, drug free workplace. With a commitment to accuracy and confidentiality, they provide a range of testing options, including pre employment, random, and post incident screenings. Their focus on exceptional customer service makes them a trusted partner in maintaining a safe and compliant work environment.