Large companies are organizations that typically have a significant number of employees and generate substantial revenue. They often operate in multiple locations and may have a global presence. Examples of large companies include Apple, Walmart, and ExxonMobil. These businesses usually have complex structures, including various departments and management levels. Large companies can influence economies and markets due to their size and resources. They often invest in research and development, leading to innovation and new products. Additionally, they may have a significant impact on employment, providing jobs to thousands of individuals and contributing to local and national economies.