Some common categories of construction components include:

• Structural components: This includes components such as beams, columns, and trusses that provide support and stability to a building or structure.
• Foundation components: This includes components such as footings, piers, and slabs that support the weight of a building and transfer it to the ground.
• Wall components: This includes components such as bricks, blocks, and panels that form the walls of a building or structure.
• Roof components: This includes components such as rafters, decking, and shingles that make up the roof of a building or structure.
• Interior components: This includes components such as doors, windows, and flooring that are installed inside a building or structure.
• Floor: The floor is the lowest part of the building that is located under the foundations and structures. They can be made of materials such as concrete, wood, laminate or synthetic materials.
• Windows and doors: Windows and doors act as entry and exit points from the building. The materials used for windows and doors can be glass, wood, metal or plastic.
• Electrical and plumbing systems: Buildings need electrical and plumbing systems to supply electricity, water, gas and other related services.
• Heating and cooling system: Heating and cooling systems are used in buildings to control the internal temperature. It includes systems: central heating system, air conditioning system, air conditioning system, hot water supply system, control system…

Also, other systems can be considered as part of the building, such as electrical systems, security systems, lighting systems, etc.

Construction components are subject to various regulations and standards to ensure their quality and safety. Manufacturers of construction components must adhere to regulations set by government agencies such as the International Building Code (IBC) and the American Society for Testing and Materials (ASTM).

Some of the largest companies in the industry include Saint-Gobain, CRH, and LafargeHolcim.