DIVISION MAILING ADDRESS L-3 Communications Communication Systems West 640 N. 2200 W. PO Box 16850 Salt Lake City, Utah 84116-0850 (801) 594-2000 Toll Free (800) 543-4705 Map to CSW

Communications and Human Resource Verification of Employment 801-594-3284 (fax only) or email at HR Shared Services Sales and Product Information 1-800-874-8178 cswproducts@l-3com.com Technical Assistance and Repair Information Domestic: (877) 496-0457 International: (801) 594-2000 cswproducts@l-3com.com Supplier Information Contact: Devin Allen Email: Devin.B.Allen@L-3com.com Phone: (801)594-3329 Environmental Test Laboratory Contact: David Schmutz Email: EnvLab@L-3Com.com Phone: (801)594-3547 Fax: (801)594-3247