Ashland Global Holdings is a holding company. Through its subsidiaries, the company is engaged in providing chemical solutions to customers in a range of consumer and industrial markets. The company's reportable segments are: Specialty Ingredients, which is a provider in cellulose ethers, vinyl pyrrolidones and biofunctionals and uses natural, synthetic and semisynthetic polymers derived from cellulose ethers, vinyl pyrrolidones, acrylic polymers, polyester and polyurethane-based adhesives, and plant and seed extract; and Intermediates and Solvents, which is a producer of 1,4 butanediol and related derivatives, including n-methylpyrrolidone.

Baker Hughes is an energy technology company. The company's segments are: Oilfield Services, which provides products and services for onshore and offshore operations ranging from drilling, evaluation, completion, production, and intervention; Oilfield Equipment, which provides products and services for the subsea, offshore surface and onshore operating environments; Turbomachinery and Processing Solutions, which provides equipment and related services for mechanical-drive, compression and power-generation applications; and Digital Solutions, which includes condition monitoring, industrial controls, non-destructive technologies, measurement, sensing, and pipeline solutions.

Chevron is engaged in energy and chemicals operations. Upstream operations consist primarily of, among others, exploring for, developing and producing crude oil and natural gas; processing, liquefaction, transportation and regasification associated with liquefied natural gas, storage and marketing of natural gas; and a gas-to-liquids plant. Downstream operations consist primarily of, among others, refining crude oil into petroleum products; marketing of crude oil and refined products; and manufacturing and marketing of commodity petrochemicals, plastics for industrial uses and fuel and lubricant additives.

Halliburton assists its customers throughout the lifecycle of the reservoir, from locating hydrocarbons and managing geological data, to drilling and formation evaluation, well construction and completion and optimizing production throughout the life of the asset. The company's segments are: Completion and Production, which delivers cementing, stimulation, intervention, pressure control, specialty chemicals, artificial lift and completion products and services; and Drilling and Evaluation, which provides field and reservoir modeling, drilling, evaluation and wellbore placement solutions that enable customers to model, measure, drill and optimize their well construction activities.

HollyFrontier is a petroleum refiner that produces products such as gasoline, diesel fuel, jet fuel, other lubricant products, and specialty and modified asphalt. The company's segments are: Refining, which involves the purchase and refining of crude oil and wholesale and marketing of refined products; Lubricants and Specialty Products, which includes the production of lubricant products such as base oils, white oils, other products and finished lubricants; and the company's subsidiary, Holly Energy Partners, L.P., which owns and operates logistics and refinery assets consisting of petroleum product and crude oil pipelines, terminals, tankage, loading rack facilities and processing units.

Marathon Petroleum is an independent petroleum refining and marketing, retail and midstream company. The company's segments include: Refining and Marketing, which refines crude oil and other feedstocks at its refineries, purchases refined products and ethanol for resale and distributes refined products; Retail, which sells transportation fuels and convenience products in the retail market across the U.S.; and Midstream, which transports, stores, distributes and markets crude oil and refined products via refining logistics assets, pipelines, terminals, towboats and barges, gathers, processes and transports natural gas, and gathers, transports, fractionates, stores and markets natural gas liquids.

Newpark Resources is engaged in providing products, rentals, and services primarily to the oil and natural gas exploration and production (E&P) industry. The company has two reportable segments: Fluids Systems, which provides customized drilling, completion, and stimulation fluids solutions to E&P customers; and Mats and Integrated Services, which provides composite mat rentals utilized for temporary worksite access, along with related site construction services to customers in various markets including E&P, electrical transmission & distribution, pipeline, solar, petrochemical, and construction industries across North America and Europe. The company also sells composite mats to customers around the world.

Phillips 66 is an energy manufacturing and logistics company with midstream, chemicals, refining, and marketing and specialties businesses. The company's segments include: Midstream, which provides crude oil and refined petroleum product transportation, terminaling and processing services, as well as natural gas and natural gas liquids transportation, storage, processing and marketing services; Chemicals, which manufactures and markets petrochemicals and plastics on a worldwide basis; Refining, which refines crude oil and other feedstocks into petroleum products; and Marketing and Specialties, which purchases for resale and markets refined petroleum products, mainly in the United States and Europe.