Solaris Oilfield Infrastructure, Inc. (SOI)
Solaris Oilfield Infrastructure, Inc. designs and manufactures mobile proppant management systems that are used to unload, store, and deliver proppant, water, and chemicals at oil and natural gas well sites in the United States.
CSI Compressco LP (CCLP)
CSI Compressco LP provides contract services for natural gas compression and treating in the United States, Latin America, Canada, Egypt, and internationally.
Helix Energy Solutions Group, Inc. (HLX)
Helix Energy Solutions Group, Inc., together with its subsidiaries, an offshore energy services company, provides specialty services to the offshore energy industry in Brazil, the Gulf of Mexico, the East Coast of the United States, North Sea, the Asia Pacific, and West Africa regions.