Υλικό και λειαντικά

Κορυφαίοι κατασκευαστές

• Tyco Electronics Corporation
• Allis Chalmers Corp
• U S Army Aviation and Missile
• Ballou B A and Co Inc
• R.g.h. Associates, Inc.
• Woodward, Inc.
• Ontic Engineering and Manufacturing,
• Naval Sea Systems Command
• Miltope Corporation
• Phoenix, Inc.