Valvoline Instant Oil ChangeSM has announces its No. 60 ranking on the prestigious Entrepreneur Franchise 500® list. This is VIOC service centers’ second year on the coveted list, moving up two spots from last year. The Franchise 500® list ranks the country’s most successful franchises.

VIOC, the nation’s second-largest fast-lube chain, currently has 900 centers in the United States with 636 franchised and 264 company-owned locations. VIOC is a business unit of Ashland Consumer Markets, a commercial unit of Ashland Inc. (NYSE: ASH). The company started franchising Valvoline Instant Oil Change locations in 1988.

The rankings for all 500 companies are determined using an exclusive formula that takes into account objective and quantifiable factors. An independent CPA analyzes all financial data. The most important factors include financial strength and stability, growth rate, and size of the system. All franchises are given a cumulative score, and the 500 franchises with the highest cumulative scores become the Franchise 500® in ranking order.