1. General Dynamics
General Dynamics is an American defense conglomerate. In 2005, General Dynamics was the world's sixth-largest defense industry contractor. Due to the continuous expansion and acquisition of other companies in recent years, General Dynamics' current composition and appearance are very different from those during the Cold War.
Today General Dynamics consists of three major business groups: Marine, Combat Systems and Information Technology Group. On July 19, 2018, the Fortune Global 500 list was released, with General Dynamics ranked 383rd.
2. McDonnell-Douglas Corporation
McDonnell-Douglas Corporation is a large American monopoly manufacturing aircraft and missiles. Founded in 1939 by James McDonald, it was called the McDonald Aircraft Company. In 1967, it merged with Douglas Aircraft Company and changed its name to its current name.
Since then, following its merger with Boeing in 1997, it has produced some well-known commercial and military aircraft such as the DC-10 passenger jet and air superiority fighters such as the F-15 Eagle. The company is headquartered at Louis International Airport near St. Louis, Missouri, while its subsidiary McDonnell Douglas is headquartered in unincorporated St. Louis County, Missouri.
3. Boeing Company
Boeing Company is a leader in the global aerospace industry and one of the world's largest manufacturers of civilian and military aircraft. In addition, Boeing designs and manufactures rotary-wing aircraft, electronic and defense systems, missiles, satellites, launchers, and advanced information and communications systems.
As a primary service provider to NASA, Boeing operates the space shuttle and International Space Station. Boeing also provides numerous military and civilian airline support services, with customers in more than 90 countries around the world. Boeing is one of the largest exporters to the United States in terms of sales.
In 2015, it announced its latest market outlook, predicting that China's domestic air travel market will rank first in the world, and that the number of commercial aircraft in China will nearly triple by 2034.
4. Rockwell Corporation
Rockwell Automation (China) Co., Ltd. (NYSE: ROK) is the world's largest company dedicated to industrial automation and informatization. Committed to helping customers improve productivity and the world's sustainable development. Rockwell Automation is headquartered in Milwaukee, Wisconsin, USA. It has branches in more than 80 countries around the world and currently employs approximately 22,000 people.
Rockwell Automation entered China in 1988 and now has more than 22,000 employees, 37 sales organizations (including Hong Kong and Taiwan), 5 training centers, and 1 in Shanghai. Global R&D center, Dalian software development center, Shenzhen, Shanghai and Beijing OEM application development centers, and three production bases in Shanghai and Harbin.
The company has actively cooperated with dozens of domestic authorized channel partners and more than 60 key universities to jointly provide a wide range of world-class products and solutions, service support and technology for the manufacturing industry. training.
5. Bell Helicopter Textron Company
Bell Helicopter Textron Company (Bell Helicopter Textron) is the world's largest helicopter manufacturer. The company is headquartered in Texas, southern United States. Fort Worth, Sask., part of Textron Group. Bell Helicopter Textron Corporation produces civilian and military helicopters and tilt-rotor aircraft.
The predecessor of Bell Helicopter Textron Company was Bell Aircraft Company founded in 1935. At that time, it was mainly engaged in the design and manufacture of fighter jets. In 1941, Bell officially entered the helicopter field and successfully launched its first helicopter, the Bell 30.
Civil helicopters produced by Bell can carry up to fifteen people and are widely used for air transportation, medical rescue, search and rescue and other activities. Bell also cooperates with AgustaWestland to provide helicopter manufacturing and helicopter maintenance services.
Bell Helicopter Textron mainly produces military helicopters and tilt-rotor aircraft in Fort Worth and Amarillo, Texas, while civilian helicopters are mainly produced in Mirabel, Quebec, Canada. .
Extended information:
In 2004, 17 of the top 30 busiest airports in the world were located in the United States, including the number one Atlanta Hartsfield-Jackson International Airport ( Hartsfield-Jackson Atlanta International Airport).
In terms of cargo volume, in the same year, 12 of the world's top 30 busiest cargo airports were in the United States, including the number one Memphis International Airport (MEM).
References Baidu Encyclopedia - United States
Baidu Encyclopedia - General Dynamics Company
Baidu Encyclopedia - McDonnell Douglas Company
Baidu Encyclopedia-Boeing
Baidu Encyclopedia-Rockwell Company
Baidu Encyclopedia-Bell Helicopter