Physicians Sales and Service (PSS) is a large US commercial organization in the business of meeting the needs of doctors' offices and small clinics while maximizing profits for itself and its shareholders. Primary products resold by PSS include a broad range of equipment and supplies common to the office/clinic environment. PSS boasts physical branches and outside salespeople throughout the country serving clinicians in both rural and urban environments. The organization's domestic success relies heavily upon the close personal relationship developed and maintained between the PSS salesperson and his/her clients. Recently, PSS has leveraged its reputation and begun to serve the needs of overseas doctors and clinics through its e-commerce (e-business) website. PSS is primarily involved in the marketing function known as:

wholesaling.

manufacturing.

retailing.

distributing.