118 years of
Great Lakes
Shipping
experience

118 years of
Great Lakes
Shipping
experience

118 years of
Great Lakes
Shipping
experience

Mainstay is a leading provider of marine bulk and liquids logistics infrastructure in the Great Lakes Region. With our fleet of 23 vessels and our dedicated team of professionals, we provide unique and comprehensive supply chain solutions to the marketplace. We take pride in our world class safety record, exemplary maritime and technical expertise, and the unmatched efficiency and flexibility of our operations.

Mainstay is a leading provider of marine bulk and liquids logistics infrastructure in the Great Lakes Region. With our fleet of 23 vessels and our dedicated team of professionals, we provide unique and comprehensive supply chain solutions to the marketplace. We take pride in our world class safety record, exemplary maritime and technical expertise, and the unmatched efficiency and flexibility of our operations.

OUR FLEET

Through our subsidiaries, Mainstay Maritime operates a fleet of 23 U.S. flagged vessels, with safety as our first priority. These vessels include self-unloading bulk carriers, tug and barge units, as well as liquid transporters. Mainstay is the market leader for Jones Act shipping on the Great Lakes.

WHAT SETS US APART

UNMATCHED
SCALE

Mainstay operates the largest and most asset-diverse fleet on the Great Lakes, providing for maximum flexibility.

Mainstay operates the largest and most asset-diverse fleet on the Great Lakes, providing for maximum flexibility.

DEEP

EXPERTISE

Mainstay’s employees and mariners set the industry standard for excellence.

Mainstay’s employees and mariners set the industry standard for excellence.

FULL

COMMITMENT

We are fully committed to safe, successful, and efficient movement of goods for our customers.

We are fully committed to safe, successful, and efficient movement of goods for our customers.

23

VESSELS

VESSELS

1,094

EMPLOYEES

EMPLOYEES

1,820

ANNUAL DISCHARGES

ANNUAL DISCHARGES

Interested in becoming a supplier?

CONTACT US