The CMM Group L.L.C., De Pere, WI, a company offering custom-designed air pollution control systems, has been launched by Charles M. Martinson, a former executive with major pollution-control and industrial-dryer equipment companies. The new company is a supplier of regenerative oxidizers, thermal oxidizers, catalytic oxidizers and dryer equipment. The company's address is P.O. Box 5903, De Pere, WI 54115, website