Ducommun
Corporate brand
UnclaimedAmerican aerospace and defense manufacturing and engineering company.
Last updated August 25, 2026
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Overview
Ducommun Incorporated is an American manufacturing and engineering company serving the aerospace, defense, space, and selected industrial markets. Based in Costa Mesa, California, the company produces structural components, electronic assemblies, engineered products, and integrated subassemblies used on commercial aircraft, military aircraft, helicopters, spacecraft, missiles, and other demanding platforms. Its customers and programs have included major aerospace manufacturers and defense contractors, with products associated with aircraft such as the Boeing 737 and 787, Airbus A320-family aircraft and Airbus A220, the F/A-18 and Joint Strike Fighter, the C-17, and Apache, Chinook, and Black Hawk helicopters. Ducommun also participates in space and missile programs, although individual program participation and product scope vary by contract and facility. The company traces its origins to 1849, when Charles Louis Ducommun, a French-born watchmaker who had emigrated to the United States, established a watch business in Los Angeles after traveling west during the California Gold Rush. The original enterprise gradually expanded beyond watches and became a general store, then a hardware and metals supplier supporting the growth of Southern California industries. In the late nineteenth and early twentieth centuries, Ducommun developed into a metals distributor and supplied materials and tools to emerging aviation businesses. The company extended credit and materials to early aircraft entrepreneur Donald Douglas, a relationship that helped connect the business to the developing American aircraft industry. World War I and World War II accelerated Ducommun's role as a supplier to defense production. The company distributed copper, brass, steel, stainless steel, and other materials for ships, aircraft, munitions, and related manufacturing. By the middle of the twentieth century it was recognized as a significant metals distributor in the western United States. As aircraft manufacturing became more technologically complex, Ducommun diversified into electronics and other aerospace-related capabilities. During the restructuring of the 1980s, it sold its metals and electronics distribution operations and concentrated increasingly on becoming a value-added supplier within the aerospace and defense production chain. Over subsequent decades, Ducommun moved further from commodity distribution toward engineered manufacturing. Its growth was supported by contracts with companies including McDonnell Douglas and Boeing and by work connected to military and space platforms. The modern company combines structural manufacturing, electronic systems and assemblies, precision fabrication, engineered products, and aftermarket-related capabilities. Its performance centers have been located across the United States and in Guaymas, Mexico, giving it a geographically distributed production base near major aerospace and defense customers. Stephen G. Oswald became president and chief executive officer in 2017 and chairman of the board in 2018. Under his leadership, Ducommun sharpened its strategic emphasis on aerospace and defense, simplified aspects of its organization, and expanded into aftermarket products and services through a series of acquisitions. The company describes its competitive position around specialized manufacturing know-how, qualification for regulated aerospace and defense work, program knowledge, engineering support, and the ability to supply complex parts and assemblies at production scale. Ducommun has also received recent corporate recognition, including inclusion in Newsweek's Most Responsible Companies lists for 2024 and 2025 and recognition by TIME among America's Best Mid-Sized Companies in 2025.
History
Ducommun began in Los Angeles in 1849, when Charles Louis Ducommun established a watchmaking business after reaching California during the Gold Rush era. Ducommun had been born in France, raised in Switzerland, trained as a watchmaker, and previously operated a watch business in New York. His Los Angeles enterprise gradually broadened into a general store serving miners and ranchers and later into a hardware business serving the region's construction, oil, and other expanding industries. After Charles L. Ducommun died in 1896, his four sons continued the enterprise. It was incorporated as Ducommun Hardware Company and developed a substantial metals-distribution business. The company supplied metals, tools, and related materials to industrial customers and supported the early aviation sector. One notable relationship was its extension of credit and supply support to aircraft designer Donald Douglas, whose business later became an important part of American aircraft manufacturing history. The First World War created strong demand for the company's copper, brass, steel, and other materials as shipbuilding, munitions, and aircraft production expanded. In 1942, the business adopted the name Ducommun Metals & Supply Co. During the Second World War, its inventories of stainless steel and carbon steel supported production of military aircraft, bombers, fighters, and naval equipment for the United States war effort. By 1949, Ducommun was regarded as a leading metals distributor in the western United States. From the 1950s through the 1970s, the business adapted to an aerospace industry that was adding increasingly sophisticated electrical and electronic content to aircraft. Ducommun diversified beyond basic materials distribution and developed capabilities that connected it more directly with aircraft and defense manufacturing. During the restructuring of the 1980s, it sold its metals and electronics distribution businesses and reoriented itself toward aerospace manufacturing and the broader aerospace supply chain. In the following decades, Ducommun expanded its participation in commercial aviation, military aircraft, helicopters, missiles, and space programs. Work associated with McDonnell Douglas, Boeing, and other major aerospace customers helped move the company toward the manufacture of qualified structural components, electronic assemblies, subassemblies, and engineered products. The company developed a network of performance centers in multiple U.S. states and in Guaymas, Mexico, allowing it to support programs requiring specialized fabrication, assembly, engineering, and production capabilities. A further strategic shift took place after Stephen G. Oswald became president and chief executive officer in 2017 and chairman in 2018. Management streamlined the organization and concentrated the company more clearly on aerospace and defense. It also pursued expansion into aftermarket products and services, including five strategic acquisitions during Oswald's first five years with the company. In its current form, Ducommun is a publicly traded supplier whose business is organized around structural solutions, electronic solutions, and engineered products for commercial, military, space, and industrial applications. Its long operating history is frequently presented as making it the oldest continuously operating business in California.
- 2025
Recognition by TIME and Newsweek
[4]Ducommun is recognized by TIME among America's Best Mid-Sized Companies and appears in Newsweek's 2025 Most Responsible Companies recognition.
- 2024
Newsweek corporate-responsibility recognition
[4]Ducommun receives recognition in Newsweek's Most Responsible Companies coverage.
- 2018
Oswald becomes chairman
[3]Stephen G. Oswald is appointed chairman of Ducommun's board.
- 2017
Stephen G. Oswald becomes president and chief executive officer
[3]Oswald takes over as chief executive and begins simplifying the organization while sharpening its emphasis on aerospace and defense.
- 1980
Strategic reorientation toward aerospace
[1]During restructuring in the 1980s, Ducommun sells its metals and electronics distribution operations and focuses increasingly on aerospace manufacturing and supply-chain activities.
- 1949
Recognized as a leading western U.S. metals distributor
[1]Ducommun reaches a prominent position in metals distribution in the western United States after a century of operation.
- 1942
The company becomes Ducommun Metals & Supply Co.
[1]The business adopts the Ducommun Metals & Supply Co. name as wartime demand increases for metals used in aircraft, ships, and munitions.
- 1910
Ducommun supports the emerging aviation industry
[1]The company supplies metals and tools and provides credit support to early aviation customers, including aircraft designer Donald Douglas.
- 1896
The business passes to Ducommun's four sons
[1]Following Charles L. Ducommun's death, his sons continue the company and incorporate it as Ducommun Hardware Company, with metals distribution becoming a central activity.
- 1849
Charles Louis Ducommun establishes the original business in Los Angeles
[1]Charles Louis Ducommun opens a watch business in Los Angeles after traveling to California during the Gold Rush. The enterprise later expands into general merchandise, hardware, and industrial supply.
Products and positioning
A specialized, vertically capable aerospace and defense supplier positioned between component manufacturing and higher-level systems integration. Ducommun emphasizes qualified production, engineering support, complex structural and electronic assemblies, and long-term participation in commercial aviation, military, and space programs.
Aerospace structures
Aerospace structural components
Ducommun manufactures structural parts and assemblies for commercial aircraft, military aircraft, helicopters, spacecraft, and other aerospace platforms. These products can include fabricated and machined metal structures, formed parts, and integrated subassemblies produced to demanding aerospace qualification, traceability, and reliability requirements.
Aerospace and defense electronics
Electronic systems and assemblies
The company develops and manufactures electronic assemblies and related systems for aerospace and defense customers. Its capabilities complement structural manufacturing and support aircraft, military, missile, space, and other platforms that require controlled production, integration, testing, and specialized electronics expertise.
Engineered aerospace and industrial products
Engineered products
Ducommun's engineered-products activities address specialized requirements that do not fit a simple commodity-component model. The work can involve design support, precision fabrication, assemblies, and customer-specific products for aerospace, defense, space, and selected industrial applications.
Aerospace aftermarket
Aftermarket products and services
Aftermarket activities extend Ducommun's role beyond original production programs into support for aircraft and aerospace equipment already in service. The company expanded this area through strategic acquisitions during the first several years of Stephen Oswald's leadership.
Brand decisions
2017
Aerospace and defense focus under new leadershipStrategyBackground
After Stephen G. Oswald became chief executive, Ducommun sought to sharpen its strategic focus and streamline its organization.
Action taken
Management simplified the organization and concentrated resources on aerospace and defense manufacturing, engineering, and related services.
Aftermath
The strategy was followed by expansion into aftermarket products and services and by a series of strategic acquisitions.
2017
Expansion into aerospace aftermarket capabilitiesM&ABackground
Ducommun identified aftermarket products and services as an area for growth alongside its original-equipment manufacturing activities.
Action taken
The company completed five strategic acquisitions during Stephen Oswald's first five years as chief executive to expand aftermarket and related capabilities.
Aftermath
The acquisitions broadened Ducommun's offering beyond new-production components and increased its participation in aerospace support activities.
1980
Exit from distribution and refocus on aerospaceStrategyBackground
Changes in the metals, electronics, and aerospace industries led Ducommun to reassess its historical distribution model during the 1980s.
Action taken
The company sold its metals and electronics distribution businesses and redirected its strategy toward aerospace manufacturing and participation in the aerospace supply chain.
Aftermath
The decision established the basis for Ducommun's modern identity as a value-added aerospace and defense manufacturer rather than primarily a materials distributor.
Recent events
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