The Aggregate and Mining Group ( Telsmith, Kolberg Pioneer, Johnson Crushers International, Breaker Technology, Astec Mobile Screens, Osborn Engineered Products ) provides innovative solutions for the material handling, mining, quarry, recycling, construction and demolition industries. Superior customer support is a key element to the success of the Aggregate and Mining Group. The group is determined to satisfy customers by offering high quality and by listening to customers to better understand and meet their needs. The companies of the Aggregate and Mining Group design, manufacture and market a complete, world-class line of rock crushers feeders, conveyors, screens and washing equipment for open-mine and quarry operations. Through innovative technology the Aggregate and Mining Group is able to offer equipment that helps our customers perform better, safer and achieve maximum return on their investment.