Babcock & Wilcox
American energy-technology and industrial-services company known historically for steam boilers, power-generation equipment, environmental systems, and nuclear technology.
Last updated October 14, 2026
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Overview
Babcock & Wilcox (B&W) is an American energy-technology and industrial-services company whose origins lie in the development and manufacture of safer, higher-pressure steam boilers. George Herman Babcock and Stephen Wilcox established the business in Providence, Rhode Island, in 1867 to commercialize Wilcox's patented water-tube boiler. Unlike conventional shell boilers, the design circulated water through a network of relatively small tubes, allowing more efficient heat transfer and reducing the consequences of a catastrophic shell failure. That technology became the foundation of a business serving utilities, factories, ships, municipal infrastructure, and later nuclear installations. The company expanded internationally during the late nineteenth and early twentieth centuries. A separate British organization, Babcock & Wilcox Ltd, was established in 1891 to handle sales outside the United States and Cuba, and affiliated operations were subsequently created in Canada, Germany, and other markets. B&W equipment became associated with major infrastructure projects, including Thomas Edison's Menlo Park laboratory, New York City's first subway power system, naval vessels, ocean liners, and industrial plants. The company also developed or supplied equipment for coal-fired power generation, recovery boilers, marine propulsion, and environmental control. B&W's twentieth-century history was strongly shaped by defense and nuclear technology. During the Second World War, it produced thousands of marine boilers for combat and merchant vessels and contributed materials, components, and process-development work to the Manhattan Project. After the war, it supplied boilers for the SS United States and designed or fabricated components for USS Nautilus, the first nuclear-powered submarine. It later designed reactor systems for NS Savannah, the first U.S.-built nuclear-powered surface ship, and supplied equipment for commercial nuclear power stations. The company also pursued advanced reactor and fuel-cycle technologies, including liquid-metal fast-breeder-reactor components and, in the twenty-first century, the mPower small modular reactor concept. B&W's reputation was affected by the Three Mile Island accident in 1979. The damaged reactor was a B&W-designed pressurized-water reactor, and a previously unreported valve-design weakness was identified as an initiating factor. The incident intensified scrutiny of reactor design, operator training, emergency procedures, and nuclear regulation. Separately, the company faced extensive asbestos-related personal-injury claims connected with historical industrial products and worksites. B&W filed for Chapter 11 bankruptcy protection in 2000 and emerged in 2006 under a restructuring that included a trust intended to address asbestos claims. Corporate ownership and identity changed repeatedly after the bankruptcy. B&W and BWX Technologies, both previously associated with McDermott International, combined in 2007 to form The Babcock & Wilcox Companies. The business was later separated from McDermott and began trading publicly in 2010. A subsequent separation from BWX Technologies was completed in 2015, when Babcock & Wilcox Enterprises became independently listed under the ticker BW. The company moved its headquarters from Charlotte to the Akron area in 2018–2019, reconnecting its corporate base with the region's industrial heritage. Today, B&W presents itself as an energy and environmental-technology provider rather than solely as a boiler manufacturer. Its activities include steam-generation equipment, industrial and utility boilers, waste-to-energy and biomass systems, emissions-control technologies, aftermarket services, and nuclear-related engineering and components. The brand's historical differentiation rests on engineering expertise in high-temperature, high-pressure energy systems, while its contemporary positioning emphasizes cleaner energy conversion, environmental compliance, decarbonization-related applications, and long-term service support. The company remains active, although its corporate structure, operating portfolio, and public-market status have changed substantially over time.
History
Babcock & Wilcox began in 1867 when George Herman Babcock and Stephen Wilcox established a Providence, Rhode Island, business to manufacture and market Wilcox's patented water-tube boiler. The invention distributed water through multiple tubes rather than holding the working fluid in a single large shell. This arrangement supported higher pressures and improved heat transfer while reducing the explosion risk associated with earlier boiler designs. The company's engineering model, combining equipment manufacture with application-specific design, allowed it to become a major supplier to industrial plants, utilities, ships, and public infrastructure. The company gained early recognition through notable installations. Thomas Edison acquired a B&W boiler for his Menlo Park laboratory in 1878, and the company installed the first utility-scale boiler in 1881. B&W equipment powered New York City's first subway in 1902 and was later used in the ships of Theodore Roosevelt's Great White Fleet. International growth accelerated with the creation of Babcock & Wilcox Ltd in Britain in 1891 to manage business outside the United States and Cuba. Affiliates and manufacturing relationships followed in Canada, Germany, Iran, and elsewhere. The British and American businesses remained closely related for decades, although the long-term agreements between them ended in 1975, after which the British company adopted the name Babcock International Group. B&W diversified its boiler technology during the first half of the twentieth century. It acquired the Dumbarton Weldless Tube Company in Scotland in 1915, participated in the Canadian Goldie & McCulloch business, and supplied recovery boilers for pulp and paper operations. The company also worked on major coal and combustion innovations, including a pulverized-coal power plant in 1918 and a cyclone furnace developed during the Second World War. From 1941 through 1945 it designed and delivered approximately 4,100 marine boilers for combat and merchant ships. Its wartime work also included components, materials, and process-development support associated with the Manhattan Project. Postwar work expanded into nuclear energy and advanced power systems. B&W supplied boilers for the SS United States between 1949 and 1952. From 1953 to 1955 it designed and fabricated components for USS Nautilus, the first nuclear-powered submarine. It subsequently designed reactors for NS Savannah, the first U.S.-built nuclear-powered surface ship, and supplied systems for commercial nuclear plants, including Indian Point. The company continued research and engineering in fast-breeder reactors, fuel-cycle systems, and other specialized technologies. The Three Mile Island accident in 1979 became a defining event in B&W's corporate history because the damaged Unit 2 reactor used a B&W design. Investigations identified a valve-design weakness as an initiating factor, alongside operator, instrumentation, and procedural issues. The accident led to extensive scrutiny of B&W's reactor technology and contributed to broader changes in nuclear-industry regulation and operating practice. The company also faced a separate long-running legal and financial crisis from asbestos-related claims. It entered Chapter 11 in February 2000 and emerged in 2006 after restructuring and the creation of a trust for eligible asbestos claimants. After emergence, B&W's corporate structure shifted several times. In 2007, B&W and BWX Technologies combined under McDermott International to create The Babcock & Wilcox Companies. In 2009 the business announced B&W Modular Nuclear Energy and the mPower small modular reactor program. McDermott announced a spin-off in 2010; the new public company began trading on the NYSE under BWC. In 2015 Babcock & Wilcox Enterprises completed a further separation from BWX Technologies and began trading under BW. The company later moved its headquarters from Charlotte to Akron, with the relocation completed in December 2019. Its current business identity combines its historic boiler franchise with environmental systems, waste-to-energy, biomass, nuclear technology, and maintenance and modernization services.
- 2019
Headquarters relocated to Akron
[1]The company completed its move from the Barberton area to Akron, Ohio, following the headquarters announcement in 2018.
- 2015
Separation from BWX Technologies
[1]Babcock & Wilcox Enterprises completed its separation from BWX Technologies and began trading under BW.
- 2010
Initial public trading after McDermott spin-off
[1]The company began trading on the New York Stock Exchange under BWC after separation from McDermott.
- 2009
mPower modular-reactor program announced
[1]B&W announced a 125-megawatt passively safe small modular reactor concept intended for factory manufacture and rail shipment.
- 2007
Combination with BWX Technologies
[1]B&W and BWX Technologies combined under McDermott International to form The Babcock & Wilcox Companies.
- 2006
Emergence from bankruptcy
[1]The company emerged from bankruptcy after restructuring and establishing an asbestos compensation trust.
- 2000
Chapter 11 bankruptcy filing
[1]B&W filed for Chapter 11 protection amid extensive asbestos-related claims.
- 1979
Three Mile Island accident
[1]The accident involved a B&W-designed reactor, leading to extensive scrutiny of the design and nuclear operating practices.
- 1961
NS Savannah reactor systems
[1]B&W designed and supplied reactors for NS Savannah, the first U.S.-built nuclear-powered surface ship.
- 1953
Nautilus nuclear-submarine components
[1]B&W designed and fabricated components for USS Nautilus between 1953 and 1955.
Products and positioning
Engineering-led global provider of energy, environmental, steam-generation, and nuclear technologies, with a heritage in high-pressure boiler systems.
Steam-generation equipment · 1867
Water-tube boilers
B&W's foundational product family uses banks of tubes to circulate water through a furnace and generate steam. The architecture supports high operating pressures, efficient heat transfer, and applications ranging from industrial plants to electric utilities and ships. The original safety-boiler concept established the engineering identity that continues to define the brand.
Power-generation equipment · 1881
Utility and industrial boilers
The company supplies large steam-generating systems for electric utilities and industrial users. These systems can be configured for different fuels and operating conditions and are supported by engineering, maintenance, modernization, and replacement services. Historically, utility boilers formed B&W's largest and most recognizable commercial franchise.
Emissions-control equipment
Environmental control systems
B&W's environmental portfolio addresses emissions and residue-management requirements associated with energy and industrial facilities. Offerings include systems for air-pollution control and related plant services. The portfolio supports customers seeking regulatory compliance, improved operating performance, and reduced environmental impact.
Renewable and alternative-energy equipment
Waste-to-energy and biomass systems
These systems convert municipal waste, biomass, and other alternative fuels into useful heat and power. They combine combustion, steam generation, emissions management, and plant-integration expertise. The offering extends B&W's historical boiler capability into energy-conversion projects that can reduce landfill use or support renewable and lower-carbon energy strategies.
Nuclear technology · 1953
Nuclear components and reactor systems
B&W has designed and manufactured nuclear components and reactor systems for naval, marine, and commercial applications. Historical projects included work for USS Nautilus, NS Savannah, and commercial nuclear stations. The company also developed the mPower small modular reactor concept, emphasizing passive safety, modular manufacture, and underground containment.
Industrial services
Lifecycle and aftermarket services
B&W supports installed equipment through inspection, maintenance, repair, upgrades, performance improvements, replacement components, and plant modernization. These services help customers extend asset life and adapt older steam and energy systems to changing fuel, efficiency, and emissions requirements.
Controversies
2000
Asbestos-related litigation and bankruptcy
B&W faced thousands of claims alleging illness from prolonged exposure to asbestos and asbestos fibers, including asbestosis, lung cancer, and mesothelioma. The resulting liabilities contributed to the company's Chapter 11 filing. Its restructuring included a trust intended to compensate eligible claimants.
1979
Three Mile Island reactor accident
Three Mile Island Unit 2 used a B&W-designed pressurized-water reactor. The accident involved a combination of equipment, instrumentation, operator, and procedural problems; a valve-design weakness was identified as an initiating factor. The event caused major scrutiny of B&W's reactor technology and contributed to broad changes in nuclear safety practice and regulation.
Brand decisions
2015
Separate from BWX TechnologiesM&ABackground
Babcock & Wilcox and BWX Technologies had developed distinct corporate identities and business portfolios.
Action taken
Babcock & Wilcox Enterprises completed its separation from BWX Technologies and was listed under ticker BW.
Aftermath
The separation left B&W as an independent public energy-technology company.
2010
Spin off from McDermott InternationalM&ABackground
McDermott decided to separate B&W and its subsidiaries into an independently traded company.
Action taken
The company completed the spin-off process and began trading publicly on the New York Stock Exchange under BWC.
Aftermath
B&W operated as a standalone public company before its later separation from BWX Technologies.
2009
Launch the mPower small modular reactor programProduct launchBackground
B&W sought to extend its nuclear engineering business into a new generation of smaller, factory-manufactured reactors.
Action taken
The company created B&W Modular Nuclear Energy and announced the 125-megawatt mPower reactor concept, featuring passive safety and below-ground containment.
Aftermath
The announcement positioned B&W within the emerging small modular reactor sector, although the reference material does not establish commercial deployment.
2007
Combine B&W and BWX TechnologiesM&ABackground
Both businesses were associated with McDermott International after B&W's emergence from bankruptcy.
Action taken
B&W and BWX Technologies were combined to form The Babcock & Wilcox Companies.
Aftermath
The combination created a broader energy and nuclear technology company led by president John Fees.
2000
Seek Chapter 11 protectionOtherBackground
The company faced a large volume of asbestos-related personal-injury claims and associated financial exposure.
Action taken
B&W filed for Chapter 11 bankruptcy protection and later established a trust as part of its emergence restructuring.
Aftermath
The company emerged from bankruptcy in 2006 with a reorganized structure and a mechanism for addressing asbestos claims.
Recent events
Babcock & Wilcox completes acquisition of VODA A/S[3]
Reported:
Babcock & Wilcox Enterprises announced that it completed its previously announced acquisition of VODA A/S, a Scandinavian aftermarket parts and service provider for energy plants. The combined service business will be part of B&W Renewable.
Sources3 sources
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