
An aerospace manufacturer is a company or individual involved in the various aspects of designing, building, testing, selling, and maintaining aircraft, aircraft parts, missiles, rockets, or spacecraft. Aerospace is a high technology industry.

AXIS Flight Training Systems GmbH supplies flight training equipment in compliance with all regulatory standards, ranging from Flat Panel Trainers to Full Flight Simulators. The innovative modular design and the use of OEM quality simulated aircraft parts enhance simulator reliability, assure the highest fidelity for pilot training and help to keep down costs throughout the whole lifecycle.

CAE Inc. is a Canadian manufacturer of simulation technologies, modelling technologies and training services to airlines, aircraft manufacturers, healthcare specialists, and defence customers. CAE was founded in 1947, and has manufacturing operations and training facilities in 35 countries. In 2017, the company's annual revenue was CAD $2.705 billion.

The competition between Airbus and Boeing has been characterised as a duopoly in the large jet airliner market since the 1990s. This resulted from a series of mergers within the global aerospace industry, with Airbus beginning as a European consortium while the American Boeing absorbed its former arch-rival, McDonnell Douglas, in 1997. Other manufacturers, such as Lockheed Martin and Convair in the United States, and British Aerospace and Fokker in Europe, were no longer able to compete and effectively withdrew from this market.

Fokker Technologies is a Dutch aerospace company. The company has production companies which design, develop and produce structures, landing gear and electrical systems for the aerospace and defense industry. Additional to the production capabilities, it also supplies integrated maintenance services to aircraft owners and operators.

Hellenic Aerospace Industry (HAI) is the leading aerospace company of Greece. The company headquarters is located in Tanagra, 65 kilometers north-west of Athens, with the industrial complex covering an area of 200,000 sq.m.

IHI Corporation , formerly known as Ishikawajima-Harima Heavy Industries Co., Ltd. , is a Japanese engineering company headquartered in Tokyo, Japan that produces and offers ships, space launch vehicles, aircraft engines, marine diesel engines, gas turbines, railway systems, turbochargers for automobiles, plant engineering, industrial machinery, power station boilers and other facilities, suspension bridges and other structures.

The Iran Aviation Industries Organization (IAIO), also known as the Aerospace Industries Organization, is an Iranian state-owned corporation established in 1966 for the purpose of planning, controlling, and managing the civil & military aviation industry of Iran. The Aerospace Industries Organization acts as both an OEM, directly manufacturing aircraft and aerospace products, and as a conglomerate, holding other Iranian state-owned aviation corporations.
Jämtlands Flyg AB was a Swedish helicopter company that specialises in both aerial and charter work. They operate out of the main heliport Göviken in the city of Östersund, in Jämtland County. Jämtlands Flyg AB is a member of Swedish Association of Aviation Companies (SFR) and is a purveyor to the Court of Sweden.

LGarde, also L'Garde or L·Garde, is an American aerospace and defense technology company founded in 1971 in Orange County, CA and is the primary contractor for the Sunjammer spacecraft, the world largest solar sail. The company was an early pioneer of thin-skinned, multi-task inflatable structures used in various military and space applications. At the height of the Cold War, L·Garde developed and manufactured inflatable targets and decoy systems for U.S. military defense, and countermeasure systems for the Strategic Defense Initiative. After the Cold-War, the company used the technologies and manufacturing techniques it had developed to land a contract to design and build the inflatable antenna experiment and other thin-film inflatable space structures using its unique application of rigidizable tube technology. The company's unusual name is an acronym formed by the initials of the founding partners: Bill Larkin, Gayle Bilyeu, Alan Hirasuna, Rich Walstrom, Don Davis. The "E" comes from the Latin term "et al" as a tip to other partners and original employees of the company.

Macquarie Infrastructure Corporation (MIC) owns, operates and invests in a diversified group of infrastructure businesses. Macquarie Infrastructure Corporation's business consists of the largest network of fixed-base operations in the United States, the largest bulk storage terminal business in the U.S., a gas production and distribution business, and a controlling interest in two district energy businesses. The company is headquartered in New York City. MIC is managed by Macquarie Infrastructure Management (USA) Inc. (MIMUSA), which is also one of MIC's largest shareholders. MIMUSA is a member of Sydney-based Macquarie Group Limited.
MBDA is a European developer and manufacturer of missiles. It was formed as a joint venture by a merger of the guided missile divisions of EADS, Finmeccanica, and BAE Systems in December 2001. In 2016 the company had more than 10,500 employees. In 2017, MBDA recorded orders for €4.2 bn and an order book of €16.8 bn. The company name is an initialism of the names of the companies that came together to form it: Matra; BAe Dynamics and Alenia. MBDA works with over 90 armed forces worldwide.

MiGFlug GmbH is a Zurich, Switzerland-based Aviation and Space Adventure company specialized in Fighter Jet Flights. The company was founded in 2004 by current CEO Philipp Schaer and Flavio Kaufmann. As of 2015, offerings include jet trainer flights, supersonic flights, Edge of Space flights, zero gravity flights and suborbital space flights.

Nanoracks LLC is a private in-space services company. Nanoracks is building tools to allow for the re-purposing of in-space hardware and turn it into agile space stations, which the company call Outposts.

Nexcelle is a joint venture between GE Aviation’s Middle River Aircraft Systems and Safran Nacelles – both of which are suppliers of engine nacelles, thrust reversers and aerostructures.

Nielsen & Winther was a Danish machine factory and aeroplane manufacturer based in Copenhagen, Denmark.

Saudia Aerospace Engineering Industries (SAEI) is the maintenance, repair and overhaul (MRO) division of SAUDIA airlines based in Jeddah, Saudi Arabia at King Abdulaziz International Airport. With more than 5,000 Technical Operations employees and 45 maintenance stations worldwide, It provides aircraft maintenance, repair, and overhaul services. SAEI holds a Part 145 FAA Repair Station certificate. It is part of Saudi Arabian Airlines.

Sky-Watch A/S is a Danish developer and manufacturer of Unmanned Aerial Vehicles (UAV). Founded in 2009, Sky-Watch is based in Støvring, Denmark.

Swift Engineering is an American engineering firm that builds intelligent systems and advanced vehicles, including autonomous systems, helicopters, submarines, spacecraft, ground vehicles, robotics, and advanced composites. Swift was most notable for producing racing cars for a variety of open-wheel racing series, including Formula Ford, Formula Atlantic, the Champ Car World Series and Formula Nippon and had designed and fabricated over 500 race cars.

Tbilisi Aircraft Manufacturing (TAM), also known as JSC Tbilaviamsheni, is a Georgian aerospace development and manufacturing company, which also partially handles the construction of domestic weapons, armoured vehicles and artillery systems.

Turkish Aerospace Industries, Inc. (TAI) is the center of technology in design, development, manufacturing, integration of aerospace systems, modernization and after sales support in Turkey.

Turkish Technic, is the maintenance, repair and overhaul (MRO) center of Turkish Airlines. Third party airlines are also served. Turkish Technic is headquartered at Istanbul Atatürk International Airport (ISL) and owns a maintenance hangar at Istanbul airport (IST) on the European side of Istanbul. However, a new complex built at Sabiha Gökçen International Airport (SAW) on the Asian (Anatolia) side of Istanbul, formerly named Turkish Habom, is poised to become the main center of operations.

United Space Alliance (USA) was a spaceflight operations company. USA was a joint venture which was established in August 1995 as a Limited Liability Company (LLC), equally owned by Boeing and Lockheed Martin. The company was headquartered in Houston, Texas and in 2008 employed approximately 8,800 people in Texas, Florida, Alabama, and the Washington, D.C. area. In 2014, the company was in the process of dissolving. The company was finally dissolved on 20 December 2019.

Zero 2 Infinity is a private Spanish company developing high-altitude balloons to provide access to near space and low Earth orbit using a balloon-borne pod and a balloon-borne launcher.