The company’s roots go back to 1982 and have since grown to collecting and processing more than 40,000 tires a day, servicing over 2,000 customer locations with a fleet of 300 trailers, 150 employees, 10 locations, and 5 processing plants. Headquartered in Portland, Oregon, the company services customers in Oregon, Washington, Idaho, California, and Colorado, and has a collection network that reaches customers from Hawaii to New York.

Castle is growing quickly through organic growth and acquisition with the overall goal of significantly reducing the impact of tire waste on our environment. We are targeting a collection and processing rate of 100 million tires annually by 2025.