Ramaco Resources, Inc.

American Resources Corporation focuses on the entire supply chain for metallurgical coal, from its initial extraction and refinement to its transportation, distribution, and final sale, primarily serving the steel manufacturing sector. The company also supplies other essential raw materials and offers specialized coal for pulverized coal injection (PCI) applications. Its operational footprint includes facilities in Kentucky's Pike, Knott, and Letcher Counties, as well as Wyoming County, West Virginia. Established in 2006, American Resources Corporation is based in Fishers, Indiana.

Warrior Met Coal, Inc. specializes in the extraction and international distribution of coking coal, a critical raw material for steel production. The firm operates a pair of underground mines situated in Alabama. Its primary client base consists of blast furnace steel producers, predominantly located across Europe, South America, and Asia. In addition to coal, the company also sells natural gas, which is recovered as a byproduct of its mining activities. Established as a corporation in 2015, Warrior Met Coal, Inc. maintains its headquarters in Brookwood, Alabama.

Coronado Global Resources Inc., through its affiliated entities, specializes in the extraction, marketing, and international distribution of metallurgical coal. The company's portfolio includes a range of active mining operations and prospective development sites spanning Queensland, Australia, as well as the U.S. states of Virginia, West Virginia, and Pennsylvania. Furthermore, it maintains ownership interests in several Central Appalachian mining properties in the United States, specifically Buchanan, Logan, Greenbrier, Mon Valley, and Russell County. The enterprise was established in 2011 and bases its corporate headquarters in Brisbane, Australia. Coronado Global Resources Inc. functions as a subsidiary of Coronado Group LLC.

Alpha Metallurgical Resources, Inc., a mining company, produces, processes, and sells met and thermal coal in Virginia and West Virginia. The company provides metallurgical coal products. It operates nineteen active mines and eight active coal preparation and load-out facilities. The company was formerly known as Contura Energy, Inc. and changed its name to Alpha Metallurgical Resources, Inc. in February 2021. Alpha Metallurgical Resources, Inc. was incorporated in 2016 and is headquartered in Bristol, Tennessee.

Alliance Resource Partners, L.P. (ARLP) operates as a diversified natural resource enterprise, with a primary focus on extracting and supplying coal to utility companies and industrial customers across the United States. The company's business activities are categorized into four main segments: Illinois Basin Coal Operations, Appalachia Coal Operations, Oil & Gas Royalties, and Coal Royalties. ARLP's coal production encompasses a variety of thermal and metallurgical grades, each with distinct sulfur and heat content characteristics. The firm manages seven underground mining complexes situated across six states: Illinois, Indiana, Kentucky, Maryland, Pennsylvania, and West Virginia. In addition to its mining operations, ARLP leases land, manages a coal loading facility on the Ohio River at Mt. Vernon, Indiana, and engages in the buying and reselling of coal. Further diversifying its portfolio, the company holds mineral and royalty stakes in approximately 1.5 million gross acres of land within key oil and gas producing regions, prominently the Permian, Anadarko, and Williston Basins. Beyond its core resource activities, ARLP also offers an array of mining technology solutions, including data network and communication systems, personnel tracking, proximity detection, industrial collision avoidance, and specialized data and analytics software. As of December 31, 2021, the company's substantial coal reserves included an estimated 547.1 million tons of proven and probable mineral reserves, complemented by 1.17 billion tons of measured, indicated, and inferred coal resources, all located within its operational states of Illinois, Indiana, Kentucky, Maryland, Pennsylvania, and West Virginia. Founded in 1971, Alliance Resource Partners, L.P. is headquartered in Tulsa, Oklahoma.

Lexington Gold Ltd specializes in the identification and advancement of gold mining ventures throughout the United States. The company's portfolio comprises four distinct projects, collectively encompassing roughly 1,550 acres within North and South Carolina. It adopted its current moniker, Lexington Gold Ltd, in December 2020, having previously operated under the name Richland Resources Ltd. The firm maintains its corporate base in Hamilton, Bermuda.