Xena, a westie, or West Highland white terrier, is dressed to the teeth as she prowls the aisles of Planet Dog on Marginal Way in Portland with owner Angela Corbin, of Foxboro, Massachusetts.

Monty, a goldendoodle, is groomed by Michelle Lampron at Planet Dog on Marginal Way. The pet industry generates hundreds of billions of dollars every year. Maine gets a piece of the action through businesses such as Maine-based Planet Dog.

Founded with two people in 1997, Planet Dog now has a staff of 30 and is experiencing annual sales growth that outpaces even the fast-growing pet industry, company CEO Colleen McCracken said.

Monty, a goldendoodle, awaits his grooming session at Planet Dog on Marginal Way in Portland.

Planet Dog on Marginal Way in Portland carries a variety of pet products. According to the American Pet Products Association, Americans spent $60.28 billion on pet products in 2015, an average of $484 per household.

Kate DiBlasi takes golden retriever River on a shopping trip to Planet Dog on Marginal Way in Portland.

Charlie, a labradoodle, waits behind displays of leashes and collars at Planet Dog on Marginal Way in Portland while owner Prudence Barry shops.