Specialty Materials & Components Supplier Allegheny Technologies Incorporated is one of the largest and most diversified spec ... ialty materials and components producers in the world with revenues of approximately $4.1 billion for the last twelve months. ATI has approximately 9,600 full-time employees world-wide who use innovative technologies to offer global markets a wide range of specialty materials solutions. Our major markets are aerospace and defense, oil and gas/chemical process industry, electrical energy, medical, automotive, food equipment and appliance, and construction and mining. Our products include titanium and titanium alloys, nickel-based alloys and superalloys, engineered forgings and castings, zirconium, hafnium, niobium alloys, grain-oriented electrical steel, and stainless and specialty steels. read more