New Construction and Refurbishment

New Construction and Refurbishment

McGinnis, Inc. has been providing repair services and new construction to the marine industry for the past century. Our shipyards, along the Ohio River in South Point, OH and Cincinnati, OH, give us the ability to promptly respond to our customers’ needs. With in house machine, mechanical, and electrical shops we can take care of repairs of any size, as well as provide construction of custom equipment and marine vessels. Our drydocks, with capacities up to 2,500 tons, enable us to handle most vessels operating on the inland waterways.


  • Barge & Towboat Repairs
  • New Boat Construction
  • Specialized Equipment Construction
  • Drydock Services
  • Commercial Fabrication
  • Sandblasting & Painting
  • Electrical Shop Services
  • Mechanic Shop Services
  • Machine Shop Services
  • Block Welding & Machining
  • Hydrotesting
  • USCG Inspection Services
  • Underwater Damage Surveys
  • Marine Salvage & Diving

As an authorized Cummins Marine Engine dealer we can provide the following:

  • Engines & Parts
  • Engine Repairs
  • Engine Removal & Replacement
  • Engine RePowers
  • Rebuilds/Overhauls
  • Inframe
  • Generators
  • Power Units
  • 24/7 Service Department

Diesel Engine Division:

  • New Engine Installations
  • Engine Repairs


Locations That Offer New Construction and Refurbishment Services


Sheridan Shipyard South Point, Ohio

OH River Mile 320.4

McGinnis, Inc.’s full service and environmental award winning , Sheridan Shipyard, is located in South Point, OH at Ohio River Mile 320.4. 


Harahan, Louisiana

Upper Miss River Mile 107

National Maintenance and Repair of Louisiana (NMRLA) is located in Harahan, Louisiana, just minutes north of New Orleans. 


Hartford, Illinois

Upper Miss River Mile 198.5

The Hartford, IL facility is located at the confluence of the Upper Mississippi and Missouri rivers.


Paducah, Kentucky

TN River Mile 4.5

Home to Excel Marine, National Maintenance and Repair of Kentucky and National Maintenance and Repair Diesel Engine Division, Paducah, KY serves as a strategic service point at the crossroads of our inland river system.


McNational, Inc. continues to expand their service capabilities and locations to serve broader markets. Today, the company has an extensive fleet of harbor boats and shipyards on the Ohio, Tennessee, and Mississippi rivers.