ARGENTINA	GREECE	PORTUGAL
AUSTRIA	HUNGARY	RUSSIA
BANGLADESH	INDIA	SAUDI ARABIA
BELGIUM	INDONESIA	SINGAPORE
BRAZIL	IRELAND	SOUTH AFRICA
BRUNEI	ISRAEL	SOUTH KOREA
CHILE	JAPAN	SPAIN
CHINA	JORDAN	SRI LANKA
COLOMBIA	KUWAIT	SWEDEN
CZECH REPUBLIC	MALAYSIA	SWITZERLAND
DENMARK	MAURITIUS	TAIWANN
EGYPT	MOROCCO	THAILAND
ETHIOPIA	NETHERLANDS	TURKEY
FINLAND	NEW ZEALAND	UNITED ARAB EMIRATES
FRANCE	PAKISTAN	UNITED KINGDOM
GERMANY	PHILIPPINES	VENEZUELA

Business Aviation
Beech
Bombardier
Cessna
Dassault
Gulfstream    
IAI

Commercial Transport
AVRO
Boeing
Dornier
Embrear
McDonnell Douglas

Military
Boeing
Bell
CASA
 Embrear
Grumman
Honeywell
IPTN
Kawasaki Heavy Instrument
McDonnell Douglas
Mitsubishi Heavy Industries
Northrop
Pilatus
Sumotomo Precision
U S Government

Rotary Wing
Agusta Westland
Boeing
Bell
Eurocopter
Sikorsky

Utility
Bombardier
NASA
Zeppelin