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Apergy Corporation provides engineered equipment and technologies that help companies drill for and produce oil and gas worldwide. The company operates through two segments, Production & Automation Technologies and Drilling Technologies. The Production & Automation Technologies segment offers artificial lift equipment and solutions, including rod pumping systems, electric submersible pump systems, progressive cavity pumps, and drive systems and plunger lifts; and automation and digital equipment, software, and industrial Internet of things solutions for downhole monitoring, wellsite productivity enhancement, and asset integrity management. It offers its products under the Harbison-Fischer, Norris, Alberta Oil Tool, Oil Lift Technology, PCS Ferguson, Pro-Rod, Upco, ESP, Norriseal-Wellmark, Quartzdyne, Spirit, Theta, Timberline, and Windrock brand names. The Drilling Technologies segment designs, manufactures, and markets polycrystalline diamond cutters and bearings for use in oil and gas drill bits under the US Synthetic brand. The company was formerly known as Wellsite Corporation and changed its name to Apergy Corporation in February 2018. Apergy Corporation was incorporated in 2017 and is headquartered in The Woodlands, Texas.

Foundation Building Materials, Inc. distributes building products in the United States and Canada. It offers wallboard, suspended ceiling system, and metal framing products. The company also provides complementary and other products, tools, and accessories, such as wallboard accessories, stucco and finishing systems, safety accessories, fasteners, insulations, doors, and roofing products. It serves its products to commercial, residential, and other specialty contractors. The company was founded in 2011 and is headquartered in Santa Ana, California.

Great Lakes Dredge & Dock Corporation provides dredging services in the United States. The company engages in capital dredging that consists of port expansion projects; coastal restoration and land reclamations; trench digging for pipelines, tunnels, and cables; and other dredging related to the construction of breakwaters, jetties, canals, and other marine structures. It is also involved in coastal protection projects that comprises of moving sand from the ocean floor to shoreline locations where erosion threatens shoreline assets; maintenance dredging, which consists of the re-dredging of previously deepened waterways and harbors to remove silt, sand, and other accumulated sediments; lake and river dredging, inland levee and construction dredging, environmental restoration and habitat improvement, and other marine construction projects; and land reclamations, channel deepening, and port infrastructure development. The company serves federal, state, and local governments; foreign governments; and domestic and foreign private concerns, such as utilities, oil and gas, and other energy companies. It operates hydraulic dredges, hopper dredges, mechanical dredges, unloaders, drill boats, and material and other barges equipment. The company was formerly known as Lydon & Drews Partnership and changed its name to Great Lakes Dredge & Dock Corporation in 1905. Great Lakes Dredge & Dock Corporation was founded in 1890 and is headquartered in Houston, Texas.

Loma Negra Compañía Industrial Argentina Sociedad Anónima, together with its subsidiaries, manufactures and sells cement and its derivatives in Argentina. The company operates through Cement, Masonry Cement and Lime; Concrete; Railroad; Aggregates; and Others segments. It offers masonry cement, aggregates, ready-mix concrete, concrete, and lime to wholesale distributors, concrete producers, industrial customers, and others for use in the construction. The company also provides rail transportation services; and treats and recycles industrial waste for use as fuel and raw material. It markets its products under the Loma Negra, San Martín, Plasticor, Cacique Plus, Cacique Max, Loma Negra Plus, and Lomax brands. The company was incorporated in 1926 and is based in Buenos Aires, Argentina. Loma Negra Compañía Industrial Argentina Sociedad Anónima operates as a subsidiary of Intercement Trading E Inversiones Argentina Sociedad Limitada.

Tutor Perini Corporation, a construction company, provides diversified general contracting, construction management, and design-build services to private customers and public agencies in the United States and internationally. It operates through three segments: Civil, Building, and Specialty Contractors. The Civil segment engages in the public works construction and the replacement and reconstruction of infrastructure; and offers contracting services, including construction and rehabilitation of highways, bridges, tunnels, mass-transit systems, military defense facilities, and water management and wastewater treatment facilities, as well as provides drilling, foundation, and excavation support for shoring, bridges, piers, roads, and highway projects. The Building segment offers range of services in various specialized building markets, such as hospitality and gaming, transportation, health care, commercial offices, government facilities, sports and entertainment, education, correctional and detention facilities, biotech, pharmaceutical, industrial, and technology. The Specialty Contractors segment provides electrical, mechanical, plumbing, and fire protection systems, as well as heating, ventilation, and air conditioning services (HVAC) for civil and building construction projects in industrial, commercial, hospitality and gaming, and mass-transit end markets. It also offers pre-construction planning and project management services comprising planning and scheduling of the manpower, equipment, materials, and subcontractor services; and self-performed construction services consisting of site work, concrete forming and placement, and steel erection. The company was formerly known as Perini Corporation and changed its name to Tutor Perini Corporation in May 2009. Tutor Perini Corporation was founded in 1894 and is headquartered in Sylmar, California.