DOOR vs KOP

Masonite International Corporation

Masonite International Corporation designs, manufactures, markets, and distributes interior and exterior doors for the new construction and repair, renovation, and remodeling sectors of the residential and non-residential building construction markets worldwide. It offers molded panel, flush, stile and rail, routed medium-density fiberboard (MDF), steel, and fiberglass residential doors, as well as architectural interior doors. The company also provides various door components, including interior door facings, agri-fiber and particleboard door cores, MDF and wood cut-stock components, critical door components, wood veneer door skins, and mineral and particleboard door cores. It offers its products under the Masonite, Premdor, Masonite Architectural, Marshfield-Algoma, USA Wood Door, Mohawk, Solidor, Residor, Nicedor, Door-Stop International, Harring Doors, National Hickman, Graham-Maiman, Louisiana Millwork, Baillargeon, and BWI to remodeling contractors, builders, homeowners, retailers, dealers, lumberyards, commercial and general contractors, and architects through wholesale, retail, and direct distribution channels. The company was founded in 1925 and is headquartered in Tampa, Florida.

Koppers Holdings Inc.

Koppers Holdings Inc. provides treated wood products, wood treatment chemicals, and carbon compounds in the United States, Australasia, Europe, and internationally. The company operates through three segments: Railroad and Utility Products and Services (RUPS), Performance Chemicals (PC), and Carbon Materials and Chemicals (CMC). The RUPS segment procures and treats crossties, switch ties, and various types of lumber used for railroad bridges and crossings. It also provides rail joint bars to join rails together for railroads; transmission and distribution poles for electric and telephone utilities; and pilings. This segment also provides railroad services, such as engineering, design, repair, and inspection services for railroad bridges. The PC segment develops, manufactures, and markets copper-based wood preservatives, including micronized copper azole, micronized pigments, alkaline copper quaternary, amine copper azole, and chromated copper arsenate for decking, fencing, utility poles, construction lumber and timbers, and various agricultural uses; water-based wood preservatives and wood specialty additives; and supplies fire-retardant chemicals for pressure treatment of wood primarily in commercial construction. The CMC segment manufactures creosote for use in the treatment of wood or as a feedstock in the production of carbon black; carbon pitch, a raw material used in the production of aluminum and steel; naphthalene for use as a feedstock in the production of phthalic anhydride and as a surfactant in the production of concrete; phthalic anhydride for the production of plasticizers, polyester resins, and alkyd paints; and carbon black feedstock for use in the production of carbon black. The company serves the railroad, specialty chemical, utility, residential lumber, agriculture, aluminum, steel, rubber, and construction industries. Koppers Holdings Inc. was founded in 1988 and is headquartered in Pittsburgh, Pennsylvania.