Rock Machinery Co. LLC. announced its recent hire of Bud Fontana, who joined the company as the mining account manager. Based in Hibbing, Minnesota, Fontana will cover the Minnesota Iron Range in his territory. Fontana brings 30 years of sales and management experience in mining and manufacturing to his new position, having worked for such companies as Industrial Rubber Products, ITW Irathane Systems, and P&H Mining Equipment/Joy Global/Komatsu, as well as consulting for various industries.