Auxiliary Power Units (APUs) are gas turbine engines used primarily during aircraft ground operation to provide electricity, compressed air, and/or shaft power for main engine start, air conditioning, electric power and other aircraft systems. APUs can also provide backup electric power during in-flight operation.
The major manufacturers of aircraft auxiliary power unit (APU) include Honeywell Aerospace, Pratt & Whitney, Safran, etc. The top three manufacturers in the world account for more than 50% of the market share.
North America is currently the world's largest market, with about 40% of the market, followed by Europe with below 40%.

Market Analysis and Insights: Global Aircraft Auxiliary Power Unit (APU) Market
In 2020, the global Aircraft Auxiliary Power Unit (APU) market size was US$ 1224.9 million and it is expected to reach US$ 1622.7 million by the end of 2027, with a CAGR of 4.1% during 2021-2027.
Global Aircraft Auxiliary Power Unit (APU) Scope and Market Size
Aircraft Auxiliary Power Unit (APU) market is segmented by region, by country, company, type, application and by sales channels. Players, stakeholders, and other participants in the global Aircraft Auxiliary Power Unit (APU) market will be able to gain the upper hand as they use the report as a powerful resource. The segmental analysis focuses on sales, revenue and forecast by region, by country, company, type, application and by sales channels for the period 2016-2027.

Segment by Type, the Aircraft Auxiliary Power Unit (APU) market is segmented into
Battery Power
Electric Ground Power

Segment by Application, the Aircraft Auxiliary Power Unit (APU) market is segmented into
Civil
Military

Regional and Country-level Analysis:
North America
United States
Canada
Asia-Pacific
China
Japan
South Korea
India
Southeast Asia
Australia
Rest of Asia-Pacific
Europe
Germany
France
U.K.
Italy
Russia
Nordic Countries
Rest of Europe
Latin America
Mexico
Brazil
Rest of Latin America
Middle East & Africa
Turkey
Saudi Arabia
UAE
Rest of MEA

Competitive Landscape and Aircraft Auxiliary Power Unit (APU) Market Share Analysis
Aircraft Auxiliary Power Unit (APU) market competitive landscape provides details and data information by companies. The report offers comprehensive analysis and accurate statistics on revenue by the player for the period 2016-2021. It also offers detailed analysis supported by reliable statistics on sale and revenue by players for the period 2016-2021. Details included are company description, major business, Aircraft Auxiliary Power Unit (APU) product introduction, recent developments, Aircraft Auxiliary Power Unit (APU) sales by region, type, application and by sales channel.

The major companies include:
Honeywell Aerospace
Pratt & Whitney
Aerosila
Safran
PBS Velka Bites
Technodinamika