American Homes 4 Rent is a real estate investment trust focused on acquiring, renovating, leasing and operating single-family homes as rental properties. American Homes 4 Rent, L.P. and its consolidated subsidiaries is the entity through which the company conducts substantially all of its business and owns, directly or through subsidiaries, substantially all of its assets. The company's portfolio of single-family properties is internally managed through its proprietary property management platform.

Celanese is a holding company. Through its subsidiaries, the company is a chemical and specialty materials company. The company is a producer of engineered polymers and a producer of acetyl products, which are intermediate chemicals. The company's segments are: Engineered Materials, which develops, produces and supplies a portfolio of specialty polymers for automotive and medical applications, as well as industrial products and consumer electronics; Acetate Tow, which is a producer and supplier of acetate tow and acetate flake, primarily used in filter products applications; and Acetyl Chain, which includes the chain of intermediate chemistry, emulsion polymers and ethylene vinyl acetate polymers businesses.

Mastech Digital is a provider of Digital Transformation Information Technology (IT) Services. The company provides data management and analytics services; other digital transformation services around Salesforce.com and Digital Learning; and IT staffing services for both digital and mainstream technologies. The company's segments include: Data and Analytics Services, which is marketed under the Mastech InfoTrellis brand and provides capabilities in delivering data management and analytics services to customers; and IT Staffing Services, which focuses on contract IT staffing and digital transformation services and also provides permanent placement services for its clients.

Mercury General is an insurance holding company. Through its insurance subsidiaries, the company writes personal automobile insurance. The company also writes homeowners, commercial automobile, commercial property, mechanical protection, and umbrella insurance. The company provides the following types of automobile coverage: collision, property damage, bodily injury, comprehensive, personal injury protection, underinsured and uninsured motorist, and other hazards. The company provides the following types of homeowners coverage: dwelling, liability, personal property, fire, and other hazards. The company sells its policies through a network of independent agents, its insurance agencies, and directly through internet sales portals.

Republic Services is a provider of non-hazardous solid waste collection, transfer, disposal, recycling, and environmental services in the United States. The company operates through collection operations, transfer stations, active landfills, recycling processing centers, treatment, recovery and disposal facilities, salt water disposal wells, and deep injection wells. In addition, the company is engaged in landfill gas-to-energy and renewable energy projects and had post-closure responsibility for closed landfills. The company's operations primarily consist of providing collection, transfer and disposal of non-hazardous solid waste, recovering and recycling of certain materials, and environmental services.

USANA Health Sciences develops and manufactures nutritional and personal care products. The company's principal product lines include: USANA? Nutritionals Essentials/CellSentials?, which inclides vitamin and mineral supplements that provide body nutrition for every age group beginning with children 13 months of age; Optimizers, which consists of targeted supplements designed to meet individual health and nutritional needs, such as cardiovascular health, skeletal/structural health, and digestive health; and Foods, which includes low-glycemic meal replacement shakes, snack bars, and other related products that provide macro-nutrition (carbohydrates, proteins, and fats) in various formats.