PepsiCo has diversified its business over the years through acquisitions of companies like Frito-Lay, Pizza Hut, Taco Bell, Quaker Oats, and Tropicana. It operates through various divisions including Frito-Lay North America, Quaker Foods North America, PepsiCo Americas Beverages, and international divisions. PepsiCo has experienced continuous growth in net revenue and has maintained strategic and financial synergies between its divisions. Its diversification strategy has allowed it to serve a wide range of customers and maintain a competitive advantage in the food and beverage industry.