File Document Information Permit Number MO-R80C000 Effective Date 12/01/2022 Expiration Date 11/30/2027 Description SIC #373X, 40XX, 41XX, 42XX, 4311 and 44XX Firms engaged in motor freight, watercraft transportation, motorized vehicle maintenance and repair, warehousing activities, railways and U.S. Postal Service maintenance facilities.