The North American headquarters of Lichtenstein-Based Hilti has been in Tulsa, Oklahoma since moving there from Stamford, Connecticut in 1979. The company recently decided to move again, this time taking 250 jobs to a complex in the Dallas/Fort Worth area that will house management, test labs, repair services, and distribution centers. The Tulsa facility will continue to operate, with 425 people working in customer service, credit, accounts receivable, and training. Read more.