Corporate sourcing refers to a system where divisions of companies coordinate the procurement and distribution of materials, parts, equipment, and supplies for the organization. This is a supply chain, purchasing/procurement, and inventory function. This enables bulk discounting, auditing, and Sarbanes-Oxley compliance. Corporate sourcing refers to a system where divisions of companies coordinate the procurement and distribution of materials, parts, equipment, and supplies for the organization. This is a supply chain, purchasing/procurement, and inventory function. This enables bulk discounting, auditing, and Sarbanes-Oxley compliance. Duties of a corporate sourcing agent include: Some of corporate sourcing agents:Richman Chemical, Onetouch, Worldwide Brands, SAOS