National Maintenance and Repair of Kentucky offers a range of marine transportation services to the river industry. It provides various maintenance services that include barge and towboat cleaning, as well as waste oil and trash removal. The company offers a variety of cleaning, deck and engine room supplies. National Maintenance and Repair of Kentucky s harbor services include cover stacking and barge fleeting and towing. It administers engine, machine shop and electrical repairs. The company also provides new engine installation and dry dock services. National Maintenance and Repair of Kentucky s equipment features tug boats and floating cranes. It is a part of McNational, which is a group of companies that has been serving the marine industry for more than 90 years.