Mineral Processing Equipment, Mobile Rock Crushing Service, Portable Rock Crushing, Rock Crusher Spare Parts, and MoreโMellott Company is an innovative, international leader in the rock crushing and screening business. We partner with the aggregate, slag, construction, and power industries as a true full-service provider, supporting your mineral processing operations with our expertise and thought leadership. Our spectrum of contract crushing, mobile crushing, systems/engineering and applications, spare parts sales, and equipment sales and service is unmatched by any company in the stone crushing business.