Vulcan Materials Company, together with its subsidiaries, produces and supplies construction aggregates primarily in the United States. It operates through four segments: Aggregates, Asphalt, Concrete, and Calcium. The company provides crushed stones, sand and gravel, sand, and other aggregates; and related products and services that are applied in construction and maintenance of highways, streets, and other public works, as well as in the construction of housing and commercial, industrial, and other nonresidential facilities. It also offers asphalt mix and asphalt construction paving services; ready-mixed concrete; and calcium products for the animal feed, plastics, and water treatment industries. The company was formerly known as Virginia Holdco, Inc. and changed its name to Vulcan Materials Company. Vulcan Materials Company was founded in 1909 and is headquartered in Birmingham, Alabama.

MasTec, Inc., an infrastructure construction company, provides engineering, building, installation, maintenance, and upgrade services for communications, energy, utility, and other infrastructure primarily in the United States and Canada. It operates through five segments: Communications, Clean Energy and Infrastructure, Oil and Gas, Power Delivery, and Other. The company build infrastructure for wireless and wireline/fiber communications; clean energy infrastructure comprising renewable energy power generation; pipeline infrastructure, including natural gas, water, carbon capture sequestration, and other product transport; power delivery services, such as electrical and gas transmission, and distribution systems; industrial and heavy civil infrastructure, including roads, bridges, and rail; and water infrastructure. It also installs electrical and other gas distribution and transmission systems, power generation, power generation, civil and industrial facilities, pipelines, and fiber optic and other cables, as well as install-to-the-home services. In addition, the company offers maintenance and upgrade support services comprising maintenance of customers' distribution facilities, networks, and infrastructure, including communications, power generation, pipeline, electrical distribution and transmission, and civil and industrial and heavy civil infrastructure; service restoration for natural disasters and accidents; and routine replacements and upgrades to overhauls. Its customers include wireless and wireline/fiber service providers, broadband operators, install-to-the-home service providers, public and private energy providers, including renewable and other energy providers, pipeline operators, civil and industrial infrastructure providers, and government entities. MasTec, Inc. was founded in 1929 and is headquartered in Coral Gables, Florida.

Eagle Materials Inc., through its subsidiaries, manufactures and sells heavy construction materials and light building materials in the United States. It operates in four segments: Cement, Concrete and Aggregates, Gypsum Wallboard, and Recycled Paperboard. The company engages in the mining of limestone for the manufacture, production, distribution, and sale of Portland cement, including Portland limestone cement; grinding and sale of slag; and mining of gypsum for the manufacture and sale of gypsum wallboards used to finish the interior walls and ceilings in residential, commercial, and industrial structures, as well as well as containerboard and lightweight packaging grades; manufacture and sale of recycled paperboard to the gypsum wallboard industry and other paperboard converters; the sale of readymix concrete; and mining and sale of aggregates, such as crushed stone, sand, and gravel. Its products are used in commercial and residential construction; public construction projects to build, expand, and repair roads and highways; and repair and remodel activities. The company was formerly known as Centex Construction Products, Inc. and changed its name to Eagle Materials, Inc. in January 2004. Eagle Materials Inc. was founded in 1963 and is headquartered in Dallas, Texas.

Sterling Infrastructure, Inc. engages in the provision of e-infrastructure, transportation, and building solutions primarily in the United States. It operates through three segments: E-Infrastructure Solutions, Transportation Solutions, and Building Solutions. The E-Infrastructure Solutions segment provides site development services for the blue-chip end users in the e-commerce distribution center, data center, manufacturing, warehousing, and power generation sectors. The Transportation Solutions segment is involved in the development of infrastructure and rehabilitation projects for highways, roads, bridges, airports, ports, rail, and storm drainage systems for the departments of transportation in various states, regional transit authorities, airport authorities, port authorities, water authorities, and railroads. The Building Solutions segment provides residential and commercial concrete foundations for single-family and multi-family homes, parking structures, elevated slabs, other concrete work for developers and general contractors, as well as provides plumbing services for residential builds. The company was formerly known as Sterling Construction Company, Inc. and changed its name to Sterling Infrastructure, Inc. in June 2022. Sterling Infrastructure, Inc. was founded in 1955 and is headquartered in The Woodlands, Texas.

Granite Construction Incorporated operates as an infrastructure contractor in the United States. It operates through two segments: Construction and Materials segments. The Construction segment engages in the construction and rehabilitation of roads, pavement preservation, bridges, rail lines, airports, marine ports, dams, reservoirs, aqueducts, infrastructure, and site development for use by the public and water-related construction for municipal agencies, commercial water suppliers, industrial facilities, and energy companies; and construction of various complex projects, including infrastructure/site development, mining, public safety, tunnel, solar storage, and power related projects. The Materials segment is involved in the production of aggregates, asphalt concrete, liquid asphalt, and recycled materials production for internal use in our construction projects and sale to third parties. It also offers site preparation, mining, and infrastructure services for residential development, energy development, commercial and industrial sites, railways, residential development, and energy development; and provides construction management professional services. It serves federal agencies, state departments of transportation, local transit authorities, county and city public works departments, school districts and developers, utilities, contractors, landscapers, manufacturers of products requiring aggregate materials, retailers, homeowners, farmers, brokers, and private owners of industrial, commercial, and residential sites. Granite Construction Incorporated was incorporated in 1922 and is headquartered in Watsonville, California.

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.

Astec Industries, Inc. designs, engineers, manufactures, and markets equipment and components used primarily in road building and related construction activities worldwide. The company operates in two segments, Infrastructure Solutions and Materials Solutions. The Infrastructure Solutions segment offers asphalt plants and related components, heaters, concrete dust control systems, asphalt pavers, vaporizers, concrete material handling systems, screeds, heat recovery units, paste back-fill plants, asphalt storage tanks, hot oil heaters, bagging plants, fuel storage tanks, industrial and asphalt burners and systems, custom batch plants, material transfer vehicles, soil stabilizing-reclaiming machinery, blower trucks and trailers, milling machines, soil remediation plants, wood chippers and grinders, pump trailers, concrete batch plants, control systems, liquid terminals, storage equipment and related parts, construction and retrofits, polymer plants, and concrete mixers, as well as engineering and environmental permitting services. This segment provides its products to asphalt producers; highway and heavy equipment contractors; utility contractors; sand and gravel producers; construction, demolition, recycle and crushing contractors; forestry and environmental recycling contractors; mine and quarry operators; port and inland terminal authorities; power stations; and domestic and foreign government agencies. The Materials Solutions segment designs and manufactures crushing equipment, mobile plants, bulk material handling solutions, vibrating equipment, screening equipment, electrical control centers, modular plants and systems, conveying equipment, plant automation products, portable plants, and mineral processing equipment, as well as offers consulting and engineering services. The company was incorporated in 1972 and is headquartered in Chattanooga, Tennessee.

Gencor Industries, Inc., together with its subsidiaries, designs, manufactures, and sells heavy machinery used in the production of highway construction materials and environmental control equipment. It offers hot-mix asphalt plants to produce asphalt paving materials; related asphalt plant equipment, including hot-mix storage silos, fabric filtration systems, cold feed bins, and other plant components; and a range of mobile batch plants. The company also provides combustion systems that transform solid, liquid, or gaseous fuels into usable energy, or burn multiple fuels in asphalt and aggregate drying industries; and combustion systems for rotary dryers, kilns, fume and liquid incinerators, and fuel heaters, as well as industrial incinerators. In addition, it offers thermal fluid heat transfer systems that transfer heat for storage, heating, and pumping viscous materials, such as asphalt, chemicals, heavy oils, etc. in various industrial and petrochemical applications; specialty storage tanks for various industrial uses; and asphalt pavers under the Blaw-Knox brand. The company sells its products primarily to the highway construction industry through its sales representatives, and independent dealers and agents worldwide. The company was formerly known as Mechtron International Corporation and changed its name to Gencor Industries, Inc. in 1987. Gencor Industries, Inc. was founded in 1894 and is based in Orlando, Florida.