Martin Marietta Materials
Martin Marietta Materials, Inc., a natural resource-based building materials company, supplies aggregates and heavy-side building materials to the construction industry in the United States and internationally. It offers crushed stone, sand, and gravel products; ready mixed concrete and asphalt; paving products and services; and Portland and specialty cement for use in the infrastructure projects, and nonresidential and residential construction markets, as well as in the railroad, agricultural, utility, and environmental industries. The company also produces magnesia-based chemicals products, dolomitic lime primarily to customers for steel production and soil stabilization. Its chemical products are used in flame retardants, wastewater treatment, pulp and paper production, and other environmental applications. The company was founded in 1939 and is headquartered in Raleigh, North Carolina.
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RPM International Inc. provides specialty chemicals for the construction, industrial, specialty, and consumer markets. It operates in four segments: CPG, PCG, Consumer, and SPG. The company offers waterproofing, coating, and traditional roofing systems; sealants, air barriers, tapes, and foams; residential home weatherization systems; roofing and building maintenance services; sealing and bonding, subfloor preparation, flooring, and glazing solutions; resin flooring systems, polyurethane, MMA waterproof, epoxy floor paint and coatings, concrete repair, and protection products; fire stopping and intumescent steel coating, and manufacturing industry solutions; and rolled asphalt roofing materials and chemical admixtures. It also provides concrete and masonry admixtures, concrete fibers, cement performance enhancers, curing and sealing compounds, structural grouts and mortars, epoxy adhesives, injection resins, polyurethane foams, floor hardeners and toppings, joint fillers, industrial and architectural coatings, decorative color/stains/stamps, restoration materials, concrete panel wall systems, flooring systems, fluorescent colorants and pigments, shellac-based-specialty and marine coatings, and fuel additives. It offers fiberglass reinforced plastic gratings and shapes; corrosion-control coating, containment and railcar lining, fire and sound proofing, heat and cryogenic insulation, and specialty construction products; amine curing agents, reactive diluents, and epoxy resins; fire and water damage restoration, carpet cleaning, and disinfecting products; wood treatments, coatings, and touch-up products; nail enamels, polishes, and coating components; paint contractors and DIYers, concrete restoration and flooring, metallic and faux finish coatings, cleaners, and hobby paints and cements; and caulks, adhesives, insulating foams, and patches, spackling, glazing, and repair products. The company was incorporated in 1947 and is headquartered in Medina, Ohio.
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