Calumet Specialty Products Partners, L.P. (CLMT)
Calumet Specialty Products Partners, L.P. produces and sells specialty hydrocarbon products in North America and internationally. Its Specialty Products segment offers various lubricating oils, white mineral oils, solvents, petrolatums, waxes, synthetic lubricants, and other products that are used primarily as raw material components for basic industrial, consumer, and automotive goods.
Natural Resource Partners L.P. (NRP)
Natural Resource Partners L.P., through its subsidiaries, owns, manages, and leases a portfolio of mineral properties in the United States. It operates in two segments, Coal Royalty and Other, and Soda Ash. The company owns interests in coal, soda ash, trona, and other natural resources. Its coal reserves are primarily located in Appalachia, the Illinois Basin, and the Northern Powder River Basin in the United States