Newell Operating Co., part of Newell Brands, Inc., is an American company involved in aluminum foundries.

YKK AP, Inc. designs, manufactures, and sells construction material and specific components for buildings and homes. It offers residential and commercial architectural services, which include windows, entrance, wooden floor boards, fences & gates, carports, and also replacement windows & doors. The company was founded on July 22, 1957 and is headquartered in Tokyo, Japan

Manufacturer of aluminum and metal fixtures used in construction

Misawa Homes Co., Ltd. engages in the construction and sale of industrialized housing and residential land. It manages the overall operations of its group companies in the areas of design, product development, procurement, production, construction, sales and after-sales services. Its operations include house and lot sales, land utilization, leasing management, facilities development, and research and development relating to housing. The company was founded in 1962 and is headquartered in Tokyo, Japan.

LIXIL Corp. engages in the management of its group companies that operates housing and urban environment-related businesses. It operates through the following business divisions: Water Technology, Housing Technology, Building Technology, Kitchen Technology, Distribution and Retail, and Housing and Services. The Water Technology segment covers sanitary equipment, faucet fittings and bathroom fixtures. The Housing Technology segment includes sash, door, shutter, interior building materials and related fixtures. The Building Technology segment handles curtain walls. The Kitchen Technology segment manufactures and sells kitchen system equipment. The Distribution and Retail segment sells daily necessities, Do It Yourself (DIY) goods and building materials. The Housing and Services segment offers housing solutions, real estate sales and brokerage, and management of nursing apartments. The company was founded by Kenjiro Ushioda on September 19, 1949 and is headquartered in Tokyo, Japan.

Shin Nikkei Co. Ltd. manufactures and sells building, construction, and housing materials. Its products include steel, stainless, and aluminum slashes. The company was founded in 1980 and is headquartered in Tokyo, Japan

Ashland Hardware LLC, part of Tyman Plc, is an American company located in Irving, TX, that supplies hardware to wood and vinyl window/door fabricators.

Designs, manufactures and sells construction material and specific components for buildings and homes

LB Plastics manufactures vinyl components for building products, such as window lineal, railing, cladding, decking, and gutter accessories. Additionally, they produce custom vinyl profiles and matting for industrial and commercial applications.

Mighton Products Ltd. manufactures and distributes timber sash and casement windows. The firm's products include sash pulleys, sash window kits, sash fasteners, trickle vents, glazing tapes and window friction stays. The company was founded in 1983 and is headquartered in Cambridgeshire, the United Kingdom.

Ashland Products, Inc. operates as a plastic molds manufacturing company. The company is headquartered in Freeport, IN.

Part of Bergs Timber AB, Mumford & Wood Ltd. is a company headquartered in Tiptree, UK, that manufactures and distributes wooden doors and windows. The firm was founded in 1954.\nThe company says this about itself: Established in 1954 Mumford & Wood has since become the UK��s premier manufacturer of high quality timber windows and doors. Recognised within the industry as market leaders, Mumford & Wood has built a well-earned reputation amongst architects, developers and aspirational home owners for products of outstanding quality. All our wooden windows and doors are proudly made in our Tiptree factory using time-served craftsmanship and state of the art technology, using the finest quality wood.

Sanwa Shutter Corp. manufactures & distributes shutters and doors. The Japan-based manufacturer specializes in heavy-duty and lightweight shutters. Through its subsidiaries, Sanwa Shutter also makes steel and aluminum building materials such as sliding doors, metal fittings, and shutter- and window-related pieces. The company targets builders of commercial property and residential housing, and offers a bundle of maintenance services. The company was founded in 1963 and is headquartered in Tokyo, Japan.

Guangdong Kinlong Hardware Products Co., Ltd. engages in the research, development, production, and sale of building door and wall hardware systems. It offers window and curtain hardware, architectural hardware, prefabricated architectural hardware structural accessories, stainless steel products, intelligent building products, smart home products, building door locks, access control systems, and related metal structural accessories. The company was founded by Bao Kun Bai on June 26, 2003 and is headquartered in Dongguan, China.

Dynamit Nobel AG is a private company headquartered in Germany. The firm manufactures chemical products.

ROTO FRANK AG engages in the production and distribution of window and door technology. It offers fittings for side-hung, bottom-hung, and tilt and turn windows; for tilt and slide, fold and slide, and lift and slide door hardware; mechanical and electromechanical multi-point locking systems for main entrance doors; window-shutter hardware; as well as electronic accessories. The company was founded by Wilhelm O. Frank and Elfriede O. Frank in 1935 and is headquartered in Leinfelden-Echterdingen, Germany.

Los Alamos National Security LLC is an American private company located in Los Alamos, NM. The firm provides research, development and testing services.