Diamond-Roltran designs and manufactures rotary power, signal and data transfer devices for mission critical applications where long life, maintenance-free, low electrical resistance, low torque and high shock tolerance are important performance requirements. The unique rolling contact design offers significantly lower wear debris than comparable slip rings which enables a very long operational life without maintenance. Its facility near Boston, Massachusetts conducts design, engineering, program management, quality control, final assembly and test for 100% of its products. Customers for its products include Airbus DS, US Navy, US Army, Federal Aviation Administration, and prime defense contractors.