The pet industry is not only attractive for retailers but also for service businesses. There was a steep increase in demand over the recent years as the number of pets has grown to 312.1 million. Since 1994, the market has more than tripled in size and grown from 17 billion to over 60 billion in 2015 in the U.S. alone. This means that not only are there more pets who need to be fed, walked, entertained, groomed and boarded, but pet owners continue to spend money on them as well.”
For the full list, check out her article on Entrepreneur.