Large corporations are big companies that operate on a national or global scale. They often have thousands of employees and generate significant revenue. These businesses can be found in various industries, such as technology, finance, and manufacturing. Examples of large corporations include Apple, Walmart, and ExxonMobil. These companies usually have a complex structure, with different departments handling various functions like marketing, sales, and human resources. Large corporations can influence the economy and create jobs, but they also face challenges like competition and regulatory scrutiny. Their size allows them to invest in research and development, leading to innovation and growth.