ǿմý expired Final Offer and Final Presentation to acquire US Steel.

Raw Material Operations


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 provide enhanced distribution options and freight cost savings compared to the facility's foreign and domestic competition.

Community inquiries about the facility and/or operations questions, contact us at:


Fact Sheet

Raw Material Operations


Princeton is a coal mine in Princeton, West Virginia, that specializes in surface and underground mining of coal to produce coke and pulverized coal injection (PCI). The majority of the production is consumed at ǿմý facilities.

Mining Capacity
  • Approximately 2.3 million tons annually
Fact Sheet

Raw Material Operations


Warren is a coke plant where metallurgical-grade coal is converted into coke. The plant is located in Warren, Ohio. Its location allows for easy access to coal fields in the Appalachian region, as well as steel mills from Indiana. Warren produces coke primarily for ǿմý’ Cleveland Works blast furnaces.

Fact Sheet