TAT Technologies
An Israeli-founded aviation equipment manufacturer and maintenance provider serving commercial and military aerospace customers.
Last updated August 31, 2026
Overview
TAT Technologies is an Israeli-founded aerospace company whose activities span the manufacture of aircraft environmental-control and thermal-management equipment and the maintenance, repair, and overhaul of aviation components. Its products and services support both commercial and military aviation, with capabilities that include heat exchangers, cooling systems, aircraft and military air-conditioning equipment, jet-engine component maintenance, component repair, and aircraft overhaul. The company was established in Israel in 1969 by Shlomo Ostersetzer, during a period when Israel sought to reduce its dependence on French aviation equipment after the arms embargo that followed the Six-Day War. TAT was created to develop domestic substitutes for equipment previously sourced from the French aerospace industry. This origin gave the company an early focus on practical aviation engineering, component manufacture, and sustainment rather than on complete aircraft production. TAT's thermal-management products are used to remove or control heat generated by aircraft engines, machinery, avionics, and other electronic systems. Its portfolio has included heat exchangers and cooling systems for commercial and military aircraft, as well as air-conditioning systems for military facilities and armored vehicles. In parallel, its maintenance operations provide specialized repair and overhaul services for aircraft components and jet-engine parts. The company has served or supplied major aerospace and defense customers including the United States Army, Boeing, Lockheed Martin, Cirrus Aircraft, and Embraer. Its operating structure has included TAT Tulsa, a manufacturer of heat-transfer equipment; TAT Greensboro, a component-maintenance and aircraft-overhaul business in North Carolina with roots reaching back to the 1940s; and TAT Israel in Kiryat Gat, which provides jet-engine component maintenance. This combination of manufacturing and MRO activities gives TAT exposure to both original-equipment demand and the recurring aftermarket associated with aircraft operation. TAT became publicly traded on the NASDAQ American stock exchange in 1987 and later joined the Tel Aviv Stock Exchange in 2005. In 2007, ownership was acquired from founder Shlomo Ostersetzer and his partner Dov Zeelim by Isal, a subsidiary of KMN Holdings controlled by Roni Elroy. The company is headquartered in the United States according to the referenced encyclopedia material, while retaining its Israeli corporate and industrial origins. TAT competes in areas overlapping with larger aerospace-equipment and thermal-management suppliers such as AMETEK, Honeywell International, and Hamilton Sundstrand.
History
TAT Technologies was founded in Israel in 1969 by Shlomo Ostersetzer. Its creation was connected to Israel's effort to develop domestic aviation capabilities after France imposed an arms embargo following the Six-Day War. Before the embargo, Israel had relied substantially on French aviation equipment and technology. TAT therefore began with a strategic industrial purpose: to replace selected French aviation products with locally developed and manufactured equipment. The company's activities developed around aviation thermal management and component support. TAT manufactured environmental-control equipment such as heat exchangers and cooling systems, which are important for managing heat from aircraft machinery, engines, avionics, and other electronics. It also produced air-conditioning equipment for military installations and armored vehicles. These products positioned the company in a specialized part of aerospace manufacturing rather than in the production of complete aircraft. Alongside equipment manufacturing, TAT built a maintenance, repair, and overhaul presence. Its businesses have provided component maintenance, aircraft overhaul, and jet-engine component services for commercial and military customers. The company's subsidiary structure has included TAT Tulsa, focused on heat-transfer equipment; TAT Greensboro in North Carolina, focused on component maintenance and aircraft overhaul and drawing on an operating history that dates to the 1940s; and TAT Israel in Kiryat Gat, focused on jet-engine component maintenance. TAT's customer base has included the United States Army and aerospace manufacturers such as Boeing, Lockheed Martin, Cirrus Aircraft, and Embraer. These relationships reflect the company's participation in both defense procurement and commercial aerospace supply chains. Its competitors have included AMETEK, Honeywell International, and Hamilton Sundstrand, companies with broader aerospace-equipment portfolios and overlapping thermal-management capabilities. TAT entered public markets in 1987, when its shares began trading on the NASDAQ American stock exchange. It expanded its public-market presence by joining the Tel Aviv Stock Exchange in 2005. In 2007, ownership changed hands when Isal, a KMN Holdings subsidiary controlled by Roni Elroy, acquired the company from Ostersetzer and Dov Zeelim. The referenced material identifies TAT Technologies as headquartered in the United States while describing it as an Israeli-founded and Israeli-associated aerospace company. Its continuing business identity is based on the combination of specialized aircraft equipment manufacturing and aviation aftermarket services.
- 2007Ownership transferred to Isal
Isal, a KMN Holdings subsidiary controlled by Roni Elroy, acquired ownership from Shlomo Ostersetzer and Dov Zeelim.
- 2005Joined the Tel Aviv Stock Exchange
The company added a listing on the Tel Aviv Stock Exchange.
- 1987Began trading on NASDAQ
TAT Technologies became publicly traded on the NASDAQ American stock exchange.
- 1969TAT Technologies founded in Israel
Shlomo Ostersetzer established the company to develop domestic alternatives to French aviation equipment after the French arms embargo affecting Israel.
Products and positioning
A specialized aerospace equipment and MRO provider combining thermal-management manufacturing with component repair, overhaul, and jet-engine maintenance.
Heat exchangers and cooling systemsAircraft thermal management
TAT manufactures heat-transfer and cooling equipment used in commercial and military aviation. These systems help dissipate heat produced by aircraft machinery, engines, avionics, and other electronic equipment, supporting reliable operation in demanding aerospace environments.
Environmental control systemsAircraft environmental control
The company's environmental-control activities cover systems that regulate temperature and related operating conditions in aircraft. The portfolio is directed at both commercial and military aviation applications and forms a central part of TAT's aerospace-equipment manufacturing business.
Military air-conditioning systemsMilitary climate-control equipment
TAT has provided air-conditioning equipment for military installations and armored vehicles. These systems extend the company's thermal-management expertise beyond aircraft into defense applications where equipment cooling and climate control are operational requirements.
Component maintenance and aircraft overhaulAviation MRO
Through TAT Greensboro and related operations, the company provides maintenance, repair, and overhaul services for aircraft components and aircraft systems. The activity serves the aviation aftermarket and complements TAT's original-equipment manufacturing capabilities.
Jet-engine component maintenanceEngine-component MRO
TAT Israel, based in Kiryat Gat, provides maintenance services for jet-engine components. This capability places the company in a specialized segment of aerospace aftermarket support requiring component-level repair and sustainment expertise.
Flagship businesses
- Thermal-management and environmental-control equipment for commercial and military aircraft
- Component maintenance and aircraft overhaul services
- Jet-engine component maintenance
Brand decisions
- 2007Change in ownership through Isal acquisitionM&A
TAT Technologies was owned by founder Shlomo Ostersetzer and partner Dov Zeelim before the transaction.
What changed. Isal, a subsidiary of KMN Holdings controlled by Roni Elroy, acquired ownership of TAT Technologies.
Aftermath. The transaction transferred control of the company to the KMN Holdings group. No additional post-transaction operating details are provided in the referenced material.
Recent events
- 2007TAT Technologies ownership acquired by Isal
Isal, a subsidiary of KMN Holdings controlled by Roni Elroy, acquired ownership of TAT Technologies from founder Shlomo Ostersetzer and his partner Dov Zeelim.
M&A
Sources
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