In a supply chain, a vendor, or a seller, is an enterprise that contributes goods or services. Generally, a supply chain vendor manufactures inventory/stock items and sells them to the next link in the chain. Today, these terms refer to a supplier of any goods or service

Labour economics seeks to understand the functioning and dynamics of the markets for wage labour. Labour is a commodity that supplied by labourers in exchange for a wage paid by demanding firms. Labour markets or job markets function through the interaction of workers and employers

Facility management is a professional management discipline focused upon the efficient and effective delivery of support services for the organizations that it serves.

Quality control is a process by which entities review the quality of all factors involved in production. ISO 9000 defines quality control as "A part of quality management focused on fulfilling quality requirements".

Total preventive maintenance is an approach that places the responsibility for routine maintenance on the workers who operate the machinery, rather then employing separate maintenance personnel for that function.

The International Test Commission is an association of national psychological associations, test commissions, organizations and individuals, who promote “the proper development, evaluation and uses” of educational and psychological tests.