Ramaco Resources, Inc. (METC)
Ramaco Resources, Inc. operates, develops, and sells metallurgical coal. Its development portfolio includes the Elk Creek project located in southern West Virginia.
Natural Resource Partners L.P. (NRP)
Natural Resource Partners L.P., together with its subsidiaries, owns, manages, and leases a portfolio of mineral properties in the United States.
Alliance Resource Partners, L.P. (ARLP)
Alliance Resource Partners, L.P., a diversified natural resource company, produces and markets coal primarily to utilities and industrial users in the United States.