This document discusses global businesses and transnational corporations (TNCs). It defines a global company as one that operates worldwide and treats the world as a single market. Examples given are Coca-Cola, Toyota, and McDonald's. Reasons for the rise of global companies include increasing sales in saturated home markets and taking advantage of economies of scale. The document also examines global marketing strategies, factors influencing TNC locations, and the impacts - both positive and negative - of TNCs in Ireland.