Costco Wholesale and its subsidiaries are principally engaged in the operation of membership warehouses based on the concept of providing its members low prices on a selection of nationally branded and private-label products. The company's merchandise are: food and sundries, which include dry foods, packaged foods, and groceries, snack foods, candy, alcoholic and nonalcoholic beverages, and cleaning supplies; hardlines, which include appliances, electronics, health and beauty aids, hardware, and garden and patio; fresh food, which include meat, produce, deli, and bakery; softlines, which include apparel and small appliances; and ancillary, which include gas stations and pharmacy businesses.

CVS Health is a health company. The company's segments are: Pharmacy Services, which provides a range of pharmacy benefit management solutions, including plan design offerings and administration, formulary management, and retail pharmacy network management services; Retail/Long-Term Care (LTC), which sells prescription drugs and general merchandise, including over-the-counter drugs, provides health care services through its MinuteClinic? walk-in medical clinics and conducts LTC pharmacy operations; and Health Care Benefits, which provides a range of voluntary and consumer-directed health insurance products and related services, including medical, pharmacy, dental and behavioral health plans.

Dollar General is a discount retailer. The company's consumables products includes paper and cleaning products, packaged food, perishables, snacks, health and beauty, pet, and tobacco products. The company's seasonal products include decorations, toys, batteries, small electronics, greeting cards, stationery, prepaid phones and accessories, gardening supplies, hardware, automotive and home office supplies. The company's home products include kitchen supplies, cookware, small appliances, light bulbs, storage containers, frames, candles, craft supplies and kitchen, bed and bath soft goods. The company's apparel includes casual everyday apparel, as well as socks, underwear, disposable diapers, shoes and accessories.

Rite Aid is a pharmacy retail healthcare company. The company's Retail Pharmacy segment sells brand and generic prescription drugs, as well as an assortment of front-end products including health and beauty aids, personal care products, seasonal merchandise, and a private brand product line. The company's Pharmacy Services segment provides pharmacy benefit management (PBM) options through its EnvisionRxOptions and MedTrak PBMs, respectively. EnvisionRxOptions also provides mail-order and specialty pharmacy services through EnvisionPharmacies; a claims adjudication software platform in Laker Software; and a national Medicare Part D prescription drug plan through its EnvisionRx Plus product offering.

Target provides its customers everyday essentials and merchandise. The company sells an assortment of general merchandise and food. The majority of the company's general merchandise stores provide an edited food assortment, including perishables, dry grocery, dairy, and frozen items. The company's small format stores provide curated general merchandise and food assortments. The company's digital channels include merchandise assortment, including various items found in its stores, along with a complementary assortment. The company also sells merchandise through periodic design and partnerships. The company's owned brands merchandise include: A New Day?, Archer Farms?, Art Class?, Ava & Viv?, Cat & Jack?, and Cloud Island?, among others.

Walgreens Boots Alliance is a holding company. Through its subsidiaries, the company is engaged in retail and wholesale pharmacy. The company's operations are organized into three divisions, which are also its reportable segments: Retail Pharmacy USA; Retail Pharmacy International; and Pharmaceutical Wholesale. The Retail Pharmacy USA division has pharmacy-led health and beauty retail offerings. The Retail Pharmacy International division has pharmacy-led health and beauty retail businesses. The Pharmaceutical Wholesale division, which mainly operates under the Alliance Healthcare brand, supplies medicines, other healthcare products and related services to pharmacies, doctors, health centers and hospitals.

Walmart is engaged in global operations of retail, wholesale and other units, as well as eCommerce, located throughout the U.S., Africa, Argentina, Canada, Central America, Chile, China, India, Japan, Mexico and the U.K. The company's operations are conducted in three reportable segments: Walmart U.S., which is a mass merchandiser of consumer products, operating under the Walmart and Walmart Neighborhood Market brands, as well as walmart.com, jet.com and other eCommerce brands; Walmart International, which includes various formats divided into retail, wholesale and other categories; and Sam's Club, which is a membership-only warehouse club that also operates samsclub.com.