Beacon Roofing Supply is a distributor of roofing materials and complementary building products in the United States and Canada. The complementary building products the company distributes include siding, windows, insulation, waterproofing systems, wallboard, acoustical ceilings, and other exterior and interior building products. The company purchases products from manufacturers and then distributes these goods to a customer base consisting of contractors, and to a lesser extent, home builders, retailers, and other building materials suppliers. The company supports its customers with services such as advice and assistance on product identification, specification and technical support, and training services.

BlueLinx Holdings is a distributor of building and industrial products. The company operates its distribution business through a network of distribution centers. The company serves various metropolitan areas in the U.S. The company distributes products in two principal categories: structural products and specialty products. Structural products include plywood, oriented strand board, rebar and remesh, lumber, spruce and other wood products primarily used for structural support, walls, and flooring in construction projects. Specialty products include engineered wood products, moulding, siding (including vinyl products), cedar, metal products (excluding rebar and remesh) and insulation.

Boise Cascade is a wood products manufacturer and building materials distributor. The company's line of products is used primarily in new residential construction, residential repair-and-remodeling projects, light commercial construction, and industrial applications. The company has two reportable segments. The company's Wood Products segment manufactures laminated veneer lumber, I-joists, and laminated beams, which are collectively referred to as engineered wood products (EWP). The company's Building Materials Distribution segment sells a line of building materials, including oriented strand board, plywood, lumber, general line items such as siding, composite decking, metal products, insulation, and roofing, and EWP.

Builders FirstSource, through its subsidiaries is a supplier and manufacturer of building materials, manufactured components and construction services to homebuilders, sub-contractors, remodelers and consumers. The company provides a solution to its customers providing manufacturing, supply and installation of structural and related building products. The company's manufactured products include factory-built roof and floor trusses, and wall panels and stairs. The company also assembles interior and exterior doors into pre-hung units. Additionally, the company supplies its customers with building products not manufactured by the company, such as dimensional lumber and lumber sheet goods and various window, door and millwork lines.

Masco designs, manufactures and distributes home improvement and building products. The company's Plumbing Products include faucets, showerheads, handheld showers, valves, bath hardware and accessories, bathing units, shower bases and enclosures and toilets. This segment also includes brass, copper and composite plumbing system components and other non-decorative plumbing products. The company's Decorative Architectural Products include cabinet and door hardware, functional hardware, wall plates, hook and hook rail products, and picture hanging accessories. This segment also includes decorative indoor and outdoor lighting fixtures, ceiling fans, landscape lighting and LED lighting systems.

Weyerhaeuser is a real estate investment trust. The company's business segments are: Timberlands, which provides delivered logs (grade logs and fiber logs), timber, recreational leases and other products; Real Estate, Energy and Natural Resources (ENR), in which Real Estate sells timberland tracts for recreational, conservation, commercial or residential purposes, whereas ENR sells rights to explore, extract and sell construction aggregates (rock, sand and gravel), industrial materials and oil and natural gas; and Wood Products, which provides structural lumber, oriented strand board, wood products, other products, and complementary building products.

YKT and its subsidiaries are mainly engaged in the import and distribution of electronics equipment, machine tools, measuring equipment, welding machines and industrial machinery. The Electronic Equipment and Machine Tool segment is engaged in the import and distribution of chip mounters, liquid crystal display ("LCD") bonders, tool grinders, surface grinders, multi-axis lathes, measurement equipment, encompassing tool measuring machines, three-dimensional ("3D") non-contact measuring systems, coating systems, and others. The Optical-Electronic Device segment is engaged in the import and distribution of optical amplifiers, fiber lasers, laser processing equipment, and others.