Customer satisfaction is the most important element in the success of SDI. Efficient manufacture of high quality products and on time delivery, through continuous improvement, will ensure customer satisfaction. Continuous improvement of our processes will be achieved through knowledge, commitment and teamwork of all SDI employees. Special Devices is blasting off as a leading US maker of initiators (pyrotechnic devices) used primarily in automotive airbag systems. The airbag initiators activate inflators that inflate the airbag. The company also makes micro gas generators that remove seatbelt slack in the event of a collision. Special Devices' largest customers, airbag makers, account for 32% and 28% of the company's sales, respectively. Chairman John Lehman is a managing general partner of private investment firm J.F. Lehman & Company, which controls Special Devices.