Construction is a process that consists of the building or assembling of infrastructure. The execution of most construction projects require a myriad of products and services – from architectural design, engineering, budgeting, and scheduling, to supply of building material, building trades, project management, and more. A few examples of construction related businesses include: building material producer/supplier, architectural services, building equipment producer/supplier, building trade contractor (carpentry, plumbing, welding, concrete services, etc.), construction estimating service, construction project management, demolition services, hoisting and rigging services, etc.