Pepsi Cola , commonly known as Pepsi , is a carbonated drink of cola native to the United States and produced by the company PepsiCo . Its main competitor is the U.S. also Coca-Cola .Pepsi-Cola was invented in the late nineteenth century in North Carolina by Caleb Bradham, a pharmacist from New Bern, who offered to its customers as a medicine against dyspepsia . In 1902, Caleb Bradham sought registration of the trademark and founded the company with 97 shares of stock, starting to sell Pepsi concentrate. Bradham knew from the beginning that the aspects of marketing would be the foundation of success and thus, in its first year spent $ 1,900.00 dollars in advertising (very large sum when you take into account that it had sold only 8,000 gallons of concentrate). More