The port authority for the Port of Quincy is the Mid-America Port Commission. Created by legislation, the three-state Commission's charge is to promote regional and international business and trade, create tax and duty revenues through a Foreign Trade Zone, issue public bonds for port facilities, and to act as a public agency for port administration and management. The Mid-America Port Commission seeks to use the Mississippi and Illinois Rivers to promote economic development, offer economic shipping costs for business and industry, promote national and international trade, and create jobs in the region.
The City of Quincy owns the Port of Quincy Terminal Wharf. Operated primarily by Blick Construction Company, the Terminal Wharf is used to ship and receive general cargo and bulk materials that include stone, fertilizer, and various oils and minerals. The Port of Quincy's Terminal Wharf has open storage for about 1500 tons of bulk material. The Wharf has berthing space of 152 meters (500 feet) with alongside depth of 4 meters (13 feet) NPE.
Archer Daniels Midland (ADM)/Alliance Nutrition Inc. owns the Port of Quincy Dock, and McNabb Trucking Company is the primary operator for the dock. The Port of Quincy Dock receives a variety of bulk ores and minerals. It has berthing space of 211 meters (692 feet) with alongside depth of 3.4 meters (11 feet) NPE.
ADM/Qincy owns and operates the Port of Quincy Dock No. 1 for shipping meal and grain and receiving coconut and vegetable oils. The Port of Quincy Dock No. 2 has berthing space of 195 meters (640 feet) with alongside depth of 3.7 meters (12 feet) NPE.
ADM/Quincy also owns and operates the Port of Quincy Dock No. 2 for shipping and receiving soybean oil. At the rear of the wharf are 12 steel storage tanks with total capacity for some 5.5 million gallons. The Port of Quincy Dock No. 2 has berthing space of 107 meters (350 feet) with alongside depth of 3 meters (10 feet) NPE.
The Port of Quincy's Meal Dock No. 3 is also owned and operated by ADM/Quincy to ship soybean meal and to receive grain. Nine storage silos with total capacity for 180 thousand bushels are located at the rear of the dock. Meal Dock No. 3 in the Port of Quincy has berthing space of 97 meters (320 feet) with alongside depth of 7.6 meters (25 feet) NPE.
Canton Marine Towing Company Inc. owns and operates the Port of Quincy Dock and Fleet Moorings used to moor company owned barges for fleeting and to moor floating equipment. Up to 12 barges can be moored on the left bank, and about 50 barges can be moored on the right bank. The company also has a 900-ton floating dry dock and a maintenance facility for repair and maintenance of barges at the right bank. The Port of Quincy Dock and Fleet Moorings has berthing space of 91 meters (300 feet) with alongside depth of 3 meters (10 feet) NPE.