AYESAS is specialized in harness manufacturing and has provided harnesses for aircrafts, naval platforms and armored vehicles. Production and quality staff is constantly trained in accordance with IPC-610, IPC-620 and J-STD-0001 standards. 

Major programs that AYESAS has provided harnesses are as follows:

ATACMS (Army Tactical Missile System): Various types of electrical and data harnesses have been provided to the principal contractor Lockheed Martin Missile and Fire Systems between 1998-2002. AYESAS still maintains the US Government furnished tools for the manufacturing program and is under annual quality audits by Lockheed Martin for the ATACMS program. By her superior performance through-out this program, AYESAS has a awarded by certificate of excellence from Lockheed Martin

NATO E3 AWACS Modernization: Various types of electrical and data harnesses have been provided to the principal contractor Boeing Integrated Defense Systems between 2004-2007. AYESAS has worked as the first tier subcontractor to BOEING and became a golden supplier for harness production operations for BOEING through this program.

F-16 Modernization: Various types of electrical harnesses are provided to Lockheed Martin Aero within the Peace Onyx-III program. AYESAS started to work on the program in 2007 and the program will last until 2012

Helicopter Modernization Programs: AYESAS has been manufacturing prototype harnesses for ASELSAN within national helicopter modernization programs.- Armored Vehicles: Various types of electrical and data harnesses have been provided to FNSS.