Advance Auto Parts is an automotive aftermarket parts provider in North America, serving both professional installers (Professional), and do-it-yourself (DIY), customers as well as independently owned operators. The company's stores and branches provide a range selection of brand name, original equipment manufacturer and private label automotive replacement parts, accessories, batteries and maintenance items for domestic and imported cars, vans, sport utility vehicles and light and heavy duty trucks. Through its integrated operating approach, the company serves its Professional and DIY customers through a variety of channels ranging from brick and mortar store locations to self-service e-commerce sites.

Amplify Energy is a holding company. Through its wholly-owned subsidiary, Midstates Petroleum Company LLC, the company is an independent exploration and production company focused on the application of drilling, completion and production operations techniques in oil and liquids basins in the onshore U.S. The company's operations are focused on exploration and production activities in the Mississippian Lime. The company's Mississippian Lime assets are located in Oklahoma and target the Mississippian Lime formation.

Arcosa is a provider of infrastructure-related products and solutions. Through wholly-owned subsidiaries, the company's Construction Products Group produces and sells construction aggregates including natural aggregates and specialty materials and construction site support equipment including trench shields and shoring products. Through wholly-owned subsidiaries, the company's Energy Equipment Group manufactures structural wind towers; utility steel structures for electricity transmission and distribution; and storage and distribution tanks. Through wholly-owned subsidiaries, the company's Transportation Products Group manufactures and sells inland barges, fiberglass barge covers, and marine hardware.

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.

Codexis discovers, develops and sells proteins to its clients. The company has two segments: Performance Enzymes, which uses its technology to develop enzymes for customers using next generation sequencing and polymerase chain reaction for in vitro molecular diagnostic and molecular biology research applications; and Novel Biotherapeutics, in which it has announced a global development, option and license agreement with Societe des Produits Nestle S.A. to develop CDX-6114, its own orally administrable enzyme therapeutic candidate for the potential treatment of phenylketonuria. The company's products include protein catalysts, chemical intermediates and Codex? biocatalyst panels and kits.

Digital Turbine, through its subsidiaries, delivers end-to-end platform solution for mobile operators, application developers, device original equipment manufacturers (OEMs), and other third parties. The company's advertising business is comprised of Operator and OEM, an advertiser solution for carrier and OEM inventory comprised of services including Ignite?, a software platform with targeted media delivery and management capabilities; and Other recurring and lifecycle products, features, and services delivered on the Ignite platform. The company has launched Ignite with mobile operators and OEMs in North America, Latin America, Europe, Asia Pacific, India and Israel.

Evolent Health is a holding company. Through its subsidiaries, the company is a managed care services firm that supports health systems and physician organizations in their migration toward care and population health management. The company's Services segment provides its customers, who it refers to as partners, with a population health management platform, integrated data and analytics capabilities, claims processing services, including pharmacy benefit management, specialty care management services and health plan administration services. The company's subsidiary, True Health New Mexico, Inc. is a physician-led health plan in New Mexico available via the commercial market for employer-sponsored health coverage.

First Solar is a provider of photovoltaic (PV) solar energy solutions. The company designs, manufactures and sells PV solar modules with a thin film semiconductor technology, and also develops and sells PV solar power systems that mainly use the modules it manufactures. The company also provides operations and maintenance (O&M) services to system owners. The company's modules segment involves the design, manufacture and sale of cadmium telluride solar modules, which convert sunlight into electricity. The company's second segment is its systems segment, through which it provides power plant solutions, which include project development, engineering, procurement, and construction services and O&M services.

Heidrick & Struggles International is a leadership advisory firm providing executive search and consulting services to businesses and business leaders worldwide. The company's service offerings include the following: Executive Search, which include two categories: retained search and contingency search; and Heidrick Consulting, which is an offering of the firm's leadership advisory services that include leadership assessment and development, executive coaching and on-boarding, succession planning, team and, organizational performance acceleration, workforce planning and culture shaping. The company operates its Executive Search services in three geographic regions: the Americas, Europe, and Asia Pacific.

Medpace Holdings is a holding company. Through its subsidiaries, the company is a clinical contract research organization focused on providing scientifically-driven outsourced clinical development services to the biotechnology, pharmaceutical and medical device industries. The company provides a range of services supporting the clinical development process from Phase I to Phase IV. The company provides these services across a range of therapeutic areas. The company's line of clinical development services includes, but is not limited to, study start-up, patient recruitment and retention, clinical monitoring, risk-based monitoring, medical writing, data management, pharmacovigilance, and molecular and genetic testing.

MGP Ingredients is a producer and supplier of distilled spirits and specialty wheat protein and starch food ingredients. The company has two reportable segments: distillery products and ingredient solutions. The distillery products segment processes corn and other grains (including rye, barley, wheat, barley malt, and milo) into food grade alcohol and distillery co-products, such as distillers feed (called dried distillers grain in the industry), fuel grade alcohol, and corn oil. The company also provides warehouse services. The ingredient solutions segment consists primarily of specialty wheat starches, specialty wheat proteins, commodity wheat starches, and commodity wheat proteins.

National Storage Affiliates Trust is a self-administered and self-managed real estate investment trust focused on the self storage sector. The company serves as the sole general partner of its operating partnership subsidiary, NSA OP, LP (operating partnership), to conduct its business, which is focused on the ownership, operation, and acquisition of self storage properties located within metropolitan statistical areas throughout the U.S. The company also owns certain of its self storage properties through other consolidated limited partnership subsidiaries of its operating partnership.

Career Education's academic institutions provide education to students in a variety of disciplines through online, campus-based and blended learning programs. The company's reporting segments are: Colorado Technical University, which provides industry-relevant degree programs and academic programs in the career-oriented disciplines of business studies, nursing, computer science, engineering, information systems and technology, cybersecurity and healthcare management; and American InterContinental University, which helps personnel get the degree and provides academic programs in the career-oriented disciplines of business studies, information technologies, education and criminal justice.

Rent-A-Center is a holding company that provides ownership of products, such as consumer electronics, furniture and accessories, under flexible rental purchase agreements with no long-term obligation. The company's Core U.S. segment consists of the company-owned rent-to-own stores that lease household durable goods on a rent-to-own basis. The company's Acceptance Now segment provides the rent-to-own transaction to consumers who do not qualify for financing from the retailer. The company's Mexico segment consists of the company-owned rent-to-own stores in Mexico that lease household durable goods on a rent-to-own basis. The company's Rent-A-Center Franchising International, Inc. subsidiary is a franchisor of rent-to-own stores.

Stereotaxis designs, manufactures and markets robotic magnetic navigation (RMN) systems for use in a hospital's interventional surgical suite. The company's products include: Genesis RMN System and Niobe System, which enable physicians to complete interventional procedures by providing image-guided delivery of catheters and guidewires through the blood vessels and chambers of the heart to treatment sites; Odyssey Solution, which provides an integrated, real-time information solution to manage, control, record and share procedures across networks; and Stereotaxis Imaging Model S x-ray System, which provides an integrated solution for a robotic interventional operating room.