Cleveland-Cliffs Inc

A world class blast furnace operation demands the highest quality of raw materials, operations and operators. Coke is the most important raw material fed into the blast furnace in terms of its effect on blast furnace operation and hot metal quality.

Mountain State Carbon

Mountain State Carbon is located on the Ohio River, and in 2017 celebrated its 100 year anniversary in the Follansbee, West Virginia community. The site has one six-meter battery and three three-meter batteries.

The facility is well known for its outstanding furnace coke quality and operators with decades of experience. To better serve customers, Mountain State Carbon has entered into the Foundry Coke market. The Company and its employees are committed to manufacture and deliver the highest quality and reliable products that consistently meet or exceed the expectations set forth by our customers. It is our goal to continually improve our product, process, and effectiveness of our quality management system as defined by the ISO 9001:2008 Standard and our customers.

The facility's location has a transportation structure that supports truck, rail and barge and is near to Route US 22/30 and Ohio Route 7.


Monessen is a conventional coke plant producing very high quality coke and related carbon by-products. This facility is located in Monessen, Pennsylvania, along the Monongahela River in the southwest region of the state.

The facility's proximity to the river and Monessen’s central location to numerous blast furnaces provides enhanced distribution options and freight cost savings in comparison to the facility’s foreign and domestic competition.


Princeton is a coal mine in West Virginia that specializes in surface and underground mining of coal to produce coke and pulverized coal injection (PCI) coal. It is a 12,000 square foot facility with an annual production capacity of five million tons. Princeton primarily serves coke facilities, steel mills and utility markets.


Warren is a coke plant where metallurgical-grade coal is converted into coke. It is located in the city of Warren, in northeastern Ohio.

The Warren facility site dates back to the 1920s, with the current coke battery having been commissioned in 1979. Its location allows for easy access to coal fields in the Appalachian region as well as to the steel mills from Pennsylvania to Indiana. The facility has the capability to produce 550,000 tons of coke annually.

200 Public Square, Suite 3300, Cleveland. OH 44114-2544 - Phone: 216-694-5700