Sullivan Supply Inc., founded in 1989 by John and Dede Sullivan, began in a 20′ x 20′ garage with a steadfast dedication to serving the livestock show industry. From those humble beginnings, Sullivan Supply has evolved into an industry leader known for innovation and quality. Based in Dunlap, Iowa, with additional offices in Hillsboro, Texas, Lodi, California, and Hillsboro, Ohio, our company spans the nation to meet the needs of livestock exhibitors everywhere.

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