Chem Processing, Inc. (CPI) was founded in 1970 to provide the metal finishing processes that were not readily available to companies in northern Illinois and southern Wisconsin. Renowned for its comprehensive metal finishing capabilities, CPI consistently exceeds the most complex and demanding customer specifications. CPI\’s formula for success is based on customer satisfaction, protection of the environment, and investment in people. When a customer comes to CPI with a problem, the customer walks away with a solution. Industries that rely on CPI for quality metal finishing include aerospace, agriculture, automotive, construction, defense, food processing, heavy equipment, medical, and pharmaceutical.