CVS Health (CVS) was founded in 1963 with three Consumer Value Stores located in Lowell, Massachusetts. It has grown into the second largest drugstore company in the US with close to 10,000 retail locations. CVS is also one of the nation’s largest pharmacy benefit managers and health insurance providers, positioning itself as a uniquely diversified and vertically integrated player in the health care industry. CVS organizes itself into three business segments:

Founded in 1954, Pembina Pipeline (PBA) is a major transportation and midstream service provider with a network of oil and gas pipelines, storage facilities, and processing plants located primarily in western Canada. The firm's energy infrastructure helps the hydrocarbons produced in western Canada reach the highest value markets throughout the world.

Founded in 1906, ONEOK (OKE) is a leading U.S. midstream service provider focused on natural gas liquids (NGL) such as butane, ethane, propane, and pentane. These liquids are generated when natural gas (methane) is produced. NGLs are used as feedstocks for petrochemical plants (to produce plastics, rubber, etc.), burned for heating homes and cooking, and blended into vehicle fuel. Many NGLs are also exported to higher-cost markets in Europe, China, and India. With a network of pipelines, processing plants, fractionators, and storage facilities, ONEOK connects growing NGL and natural gas supply with key market centers.

With roots going back to 1849, Walgreens Boots Alliance (WBA) is one of the world’s largest pharmacy retailers and drug distributors, operating over 18,000 pharmacy stores around the world.The company operates a portfolio of retail store brands, including Walgreens, Rite Aid, Duane Reade, and Boots, as well as global health and beauty product brands, such as No7, Soap & Glory, Liz Earle, Sleek MakeUP, and Botanics.In addition to its retail business, Walgreens owns distribution centers that deliver drugs to pharmacies, doctors, health centers, and hospitals. The firm is also one of the world’s largest purchasers of prescription drugs and other health and wellbeing products.