Complex sentence: In 2008, Petland became a $50 million company which expanded to nearly 230 stores generating retail sales of about $300,000,000 in the United States, South Africa, Canada, Japan, and Mexico.
Split into simpler sentences: In 2008, Petland became a $50 million company with about 230 stores. Petland sells products and services worth about $300,000,000 in the United States, South Africa, Canada, Japan, and Mexico.