Donaldson
Corporate brand
UnclaimedA global manufacturer of technology-led filtration systems, components and aftermarket products for mobile, industrial and life-science applications. US regional bank
Last updated November 4, 2026
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Overview
Donaldson is an American filtration company whose products protect engines, industrial processes, aircraft, bioprocessing equipment and other mission-critical systems from airborne, liquid and process contaminants. The company traces its origins to 1915, when Frank Donaldson Sr., then a tractor-equipment salesman, developed an air cleaner after seeing a customer’s tractor repeatedly fail in dusty agricultural conditions. That practical invention established the engineering-led culture that has remained central to Donaldson’s identity: solve a specific equipment problem, improve reliability, and convert the solution into a scalable filtration platform. The business began in agricultural and engine air filtration, but expanded over the twentieth century into exhaust systems, mufflers, hydraulic and lubricant filtration, dust collection, compressed-air purification and specialized industrial filtration. Its early customer relationships included agricultural-equipment manufacturers, with Deere becoming an important customer during the company’s formative decades. Donaldson’s first international manufacturing presence was established in Canada, and later expansion created subsidiaries and operating capabilities across Europe, Africa, Asia-Pacific and Latin America. A major strategic turning point came through diversification. The acquisition of Torit and Majac in the 1970s strengthened Donaldson’s position in industrial dust and air filtration, while later acquisitions added exhaust, compressed-air, aerospace, hydraulic, process and life-science capabilities. The company also developed proprietary filtration media and system architectures, including Ultra-Web fine-fiber media, PowerCore compact filtration technology and a broad family of engine and industrial products. These technologies are sold both as original equipment for manufacturers and as replacement products through distributors, dealer networks, private-label accounts and large equipment fleets. Donaldson historically reported two principal operating areas, Engine Products and Industrial Products. Its more recent organizational structure centers on Mobile Solutions, Industrial Solutions and Life Sciences. Mobile Solutions serves on-road and off-road vehicles, construction, mining, agriculture, powertrain and engine applications. Industrial Solutions covers dust, fume and mist collection, compressed air and gas, power generation, aerospace and defense, process filtration and other industrial markets. Life Sciences extends the company into bioprocessing equipment, membrane chromatography, viral-vector purification and related technologies through businesses including Solaris Biotechnology, Purilogics, Isolere Bio and Univercells Technologies. The company’s aftermarket business is strategically important because filtration products require recurring replacement and maintenance. Donaldson therefore combines engineered systems with replacement filters, service products, distribution support and application expertise. This creates a business model that balances cyclical original-equipment demand with recurring aftermarket revenue. The company serves customers ranging from independent operators and fleet owners to major global OEMs, and states that no individual customer accounts for more than 10 percent of revenue. Donaldson has also participated in defense-related research and supplied filtration and contamination-control technologies for military vehicles, shelters, aerospace systems and other specialized equipment. These activities have included collective-protection systems, chemical and biological protection, air filtration for military and space applications, and filtration associated with complex defense platforms. Such work complements, rather than replaces, the company’s commercial filtration operations. In the 2020s, Donaldson broadened its technology portfolio through acquisitions and internal investment in life sciences.
History
Donaldson’s history began in 1915 when Frank Donaldson Sr., a Bull Tractor Company salesman, developed an air cleaner for a tractor operating in dusty Utah conditions. The invention addressed a practical mechanical problem: airborne dust was entering the engine and contributing to equipment failure. Donaldson commercialized the design and built a business around engine protection for agricultural equipment. The company was incorporated as Donaldson Company, Inc. in 1918, formalizing the enterprise established around the original invention. During the company’s first decade, Donaldson expanded its technical and commercial base by obtaining the Wilcox-Bennet air-filter license and introducing the Simplex filter. The company’s early relationship with Deere and other agricultural-equipment manufacturers helped create volume and credibility. In the 1930s, William Lowther joined the organization and contributed to the development of the NS Filter, which improved tractor performance. The Great Depression weakened demand from farmers and forced the company to reduce its scale, but patent transactions and continued filter production provided capital and market access that helped the business survive. World War II created new opportunities in aerospace and military filtration. Donaldson supplied or developed filtration technologies for aircraft, hydraulic equipment and specialized defense applications. The company’s research activities later extended into contamination control, collective protection, chemical and biological defense, military vehicles, missile systems, space vehicles and other complex platforms. These projects established capabilities in high-performance filtration under extreme operating conditions. The postwar period brought both expansion and organizational strain. Frank Donaldson Sr. died in 1942, and his eldest son, Frank Donaldson Jr., became president in 1951. The company expanded its product range into exhaust and muffler systems; by the early 1950s, muffler sales supported the opening of an exhaust manufacturing facility in Grinnell, Iowa. Donaldson went public in 1955. The decade also included employee strikes, the departure of key personnel who later competed with the company, and disputes involving the Internal Revenue Service over alleged hidden back taxes. Internationalization accelerated in the 1960s, with subsidiaries or operating entities established in Germany, South Africa, Britain, France, Australia and the Benelux region. Donaldson’s industrial-filtration position strengthened materially in the 1970s through the acquisition of Torit Corporation and Majac. These transactions expanded the company’s dust-collection and cartridge-filtration capabilities. Donaldson subsequently developed hydraulic-fluid filtration systems and introduced new industrial collector designs, including the TD cartridge collector. The company continued to build proprietary technology in the 1980s and 1990s. Ultra-Web fine-fiber media improved dust-capture efficiency and filter life, while the Downflo horizontal cartridge collector offered high airflow in a compact footprint. A recession affecting major equipment customers, including John Deere, pushed Donaldson to restructure and enter additional markets through acquisitions. The company acquired Tecnov, a French muffler manufacturer, in 1996 and launched Donaldson Korea in 1997. It began production in China in 1999 and acquired AirMaze Corporation for approximately $31.9 million. Expansion continued in the early 2000s. Donaldson acquired DCE dust control in the United Kingdom, Ultrafilter International AG, and later Aerospace Filtration Systems. Ultrafilter expanded the company’s compressed-air and process-filtration presence across numerous countries. Donaldson also added facilities in the Czech Republic and other locations, while developing a global network of manufacturing, sales and distribution sites. Its industrial portfolio grew to include dust, fume and mist collectors, compressed-air purification, gas-turbine filtration, PTFE membrane products and specialized systems for semiconductor, disk-drive, food, beverage and pharmaceutical processes. In 2015, Donaldson celebrated its centennial. At that time, the company described itself as a global filtration leader with more than 1,600 active U.S. and international patents and operations spanning engine and industrial applications. New facilities were opened in Skarbimierz, Poland, and in Bogotá and Cartagena, Colombia. The company received customer-recognition awards including a Master of Quality Award from Daimler Trucks North America in 2014 and Volvo Group Purchasing aftermarket awards in 2015 and 2016. During the 2020s, Donaldson expanded beyond conventional engine and industrial filtration into life sciences. The 2021 acquisition of Solaris Biotechnology added bioreactors, fermenters and tangential-flow filtration systems. Purilogics became part of Donaldson in 2022, adding membrane-chromatography technologies, and Isolere Bio was acquired in early 2023 to contribute IsoTag reagents and liquid-phase separation processes for viral-vector purification. Donaldson also incorporated Univercells Technologies into its life-sciences platform and opened a technical center in Research Triangle Park to support development and early commercialization. The company’s recent strategy has combined organic product development with targeted acquisitions. Examples include a dual-stage battery vent for electric vehicles, manufacturing-grade Purexa membrane products for bioprocessing, manufacturing-grade IsoTag AAV reagent and ArmorSeal air-cleaner technology for heavy-duty equipment. In 2026, Donaldson agreed to acquire and then completed the purchase of Facet Filtration, adding mission-critical fuel and fluid filtration capabilities in aerospace, defense and power generation. Leadership also transitioned from Tod Carpenter, who became executive chairman, to Richard Lewis, who became president and chief executive officer in March 2026. Donaldson now operates through Mobile Solutions, Industrial Solutions and Life Sciences, while retaining the core identity established by its original engine air-cleaner invention.
- 2026
Facet Filtration acquisition closes
[15]Donaldson completes the acquisition of Facet Filtration, adding fuel and fluid filtration capabilities for aerospace, defense and power-generation applications.
- 2025
Manufacturing-grade life-sciences products expand
[13]Donaldson businesses introduce manufacturing-grade IsoTag AAV reagent and Purexa membrane-chromatography products for biopharmaceutical production.
- 2024
Dual-Stage Jet battery vent launches
[11]Donaldson introduces a battery vent designed to provide pressure equalization, ingress protection and rapid degassing for electric-vehicle battery systems.
- 2023
Isolere Bio joins Donaldson
[8]Donaldson acquires Isolere Bio and adds IsoTag liquid-phase separation technology for biopharmaceutical purification.
- 2023
Life-sciences technical center opens in North Carolina
[9]Donaldson invests in a 25,000-square-foot Research Triangle Park facility to support life-sciences research, manufacturing and commercialization.
- 2021
Solaris Biotechnology is acquired
[7]Donaldson enters a deeper life-sciences equipment position through the acquisition of Solaris Biotechnology.
- 2015
Donaldson marks its centennial
[17]The company celebrates 100 years of operation and opens facilities in Poland and Colombia during its continuing international expansion.
- 2002
Ultrafilter International AG is acquired
[1]The acquisition adds compressed-air, process and industrial filtration capabilities and expands Donaldson’s international footprint.
- 1999
Production begins in China
[1]Donaldson begins manufacturing in China and acquires AirMaze Corporation, broadening its Asian production and filtration capabilities.
- 1981
Ultra-Web filter media is introduced
[16]Donaldson develops proprietary Ultra-Web fine-fiber media to improve filtration efficiency and filter service life.
Products and positioning
An engineering-led global filtration specialist focused on equipment protection, clean air and fluids, emissions control, process reliability, bioprocessing productivity and aftermarket support.
Mobile Solutions · 1915
Engine air-intake systems
Donaldson designs air cleaners, intake assemblies, filter elements and related components for construction, mining, agriculture, transportation, industrial engines and other equipment. The products are engineered to prevent dust and particulate contamination from reaching engines while balancing airflow, service life, packaging constraints and maintenance requirements. The product family includes established RadialSeal architectures and the newer ArmorSeal technology.
Mobile Solutions · 1975
Engine liquid filtration
This portfolio covers hydraulic, fuel, lubricant, coolant and other liquid-filtration applications used in mobile equipment, engines and industrial power systems. Donaldson supplies both original-equipment systems and replacement elements, targeting contamination control, component protection, uptime and extended service intervals.
Mobile Solutions · 1951
Exhaust and emissions systems
Donaldson’s exhaust portfolio includes mufflers, silencers, catalytic and emissions-related components, exhaust assemblies and acoustic-control products. These systems are used in on-road, off-road, industrial and power-generation equipment where emissions compliance, noise reduction, backpressure and packaging must be managed together.
Aftermarket
Aftermarket replacement filters
Donaldson supplies replacement filters and service parts through distributors, dealer networks, private-label channels and large fleets. The aftermarket business supports recurring maintenance across engines, hydraulics, compressed air, dust collection and industrial processes, and allows customers to obtain Donaldson or application-specific replacement products after initial equipment sale.
Industrial Solutions · 1974
Torit dust, fume and mist collectors
The Torit portfolio includes cartridge collectors, baghouse systems, mist collectors, fume-control equipment, replacement filters and related services. These systems are used to capture airborne contaminants in manufacturing, welding, machining, metalworking, food processing and other industrial environments, helping customers manage worker exposure, housekeeping, equipment protection and regulatory requirements.
Industrial Solutions · 2002
Compressed-air and gas filtration
Donaldson provides filtration, separation and purification products for compressed air, process gases, vacuum systems and related industrial utilities. Applications include manufacturing, food and beverage, pharmaceuticals, electronics and energy. The portfolio is intended to control oil aerosol, particulates, moisture and other contaminants that can affect product quality or equipment reliability.
Industrial Solutions
Gas-turbine and power-generation filtration
These systems protect gas turbines and power-generation equipment from airborne contaminants while supporting airflow, operating efficiency and maintenance planning. Donaldson serves turbine OEMs, plant operators and service organizations with intake filtration, replacement elements and specialized solutions for demanding environmental conditions.
Industrial Solutions · 1942
Aerospace and defense filtration
Donaldson develops filtration and contamination-control products for aircraft, helicopters, military vehicles, shelters, missile systems, space-related equipment and other defense applications. Products and technologies address air, hydraulic, fuel and environmental filtration, as well as collective protection and chemical, biological, radiological and nuclear contamination-control requirements.
Life Sciences · 2002
Solaris bioprocessing equipment
Solaris Biotechnology products include laboratory, pilot and commercial-scale bioreactors, fermenters and tangential-flow filtration systems. The equipment serves food and beverage, biotechnology, biopharmaceutical and other life-science customers that need scalable systems for cell culture, fermentation and downstream processing.
Life Sciences · 2025
Purexa membrane chromatography
Purexa is a Purilogics membrane-chromatography portfolio for biopharmaceutical purification. Products are designed for applications including plasmid DNA, messenger RNA, monoclonal antibodies and viral vectors. The technology emphasizes high binding capacity, rapid cycle times, scalable formats and simplified operation compared with some conventional chromatography approaches.
Life Sciences · 2023
IsoTag AAV reagent
IsoTag AAV is an Isolere Bio liquid-phase affinity-separation reagent for purification of adeno-associated virus vectors. It is intended to combine affinity-based capture with phase-separation processing to support faster, more streamlined downstream manufacturing of gene-therapy vectors, with research-grade and manufacturing-grade versions introduced over time.
Mobile Solutions · 2024
Battery venting systems
Donaldson battery vents provide pressure equalization and protection against water, dust and other contaminants in battery packs. The Dual-Stage Jet design adds a high-flow emergency degassing function intended to help manage rapid gas release during abnormal battery events while reducing system complexity for vehicle manufacturers.
Marketing campaigns
- 2023Smarter Bioprocessing
Global life-sciences markets
Donaldson developed a life-sciences growth narrative around smarter bioprocessing, bringing together Solaris Biotechnology, Purilogics, Isolere Bio and Univercells Technologies to address bioreactor, filtration, separation and viral-vector manufacturing needs.
Outcome. The initiative supported Donaldson’s expansion from traditional industrial filtration into biopharmaceutical process technologies.
- 2020Advancing Filtration for a Cleaner World
Global
Donaldson positioned its corporate brand around the promise of advancing filtration for a cleaner world, linking its engineering work to cleaner air, cleaner fluids, equipment protection, process efficiency and sustainability.
Outcome. The platform became a recurring expression of Donaldson’s corporate identity across its website, product communications and sustainability materials.
- 2015Donaldson Centennial
United States · Global
Donaldson used its 100th anniversary to reinforce its heritage in filtration innovation, employee engagement and community involvement. Activities included employee celebrations, community events, charitable donations and a New York Stock Exchange closing-bell ceremony.
Outcome. The centennial campaign strengthened the company’s corporate-history narrative and highlighted its transition from a tractor air-cleaner inventor to a global filtration supplier.
Brand decisions
2026
Launch ArmorSeal air-cleaner technologyGeneration changeBackground
Heavy-duty equipment increasingly operates under high vibration, heavy dust loads and demanding maintenance cycles, making long-term seal integrity a critical filtration requirement.
Action taken
Donaldson introduced ArmorSeal, using a spin-welded joint and engineered seal interface intended to reduce installation variability, improve durability and maintain sealing pressure.
Aftermath
ArmorSeal extended Donaldson’s air-cleaner technology progression beyond earlier Axial Seal and RadialSeal platforms and was positioned for on-road and off-road equipment.
2026
Acquire Facet FiltrationM&ABackground
Donaldson aimed to expand its core filtration portfolio and increase exposure to durable aerospace, defense and power-generation markets with recurring replacement demand.
Action taken
Donaldson agreed to acquire and subsequently completed the purchase of Facet Filtration in an all-cash transaction.
Aftermath
Facet added fuel and fluid filtration products, including jet-fuel filtration, and became part of Donaldson’s Industrial Solutions segment.
Acquisition consideration. approximately $829 million (Completed May 4, 2026)
2024
Realign leadership across Mobile Solutions and Life SciencesStrategyBackground
Donaldson sought broader leadership depth across two strategic growth areas and aligned the organization with its fiscal 2026 targets and longer-term sustainability ambitions.
Action taken
Andrew Dahlgren became president of Mobile Solutions and Richard Lewis became president of Life Sciences, effective August 1, 2024.
Aftermath
The rotation broadened both executives’ operating experience and preceded Lewis’s later appointment as chief executive officer.
2023
Acquire Isolere BioM&ABackground
Donaldson wanted to strengthen its life-sciences position in viral-vector and advanced-therapeutics manufacturing.
Action taken
The company acquired Isolere Bio, adding IsoTag reagents and liquid-phase separation processes for biopharmaceutical purification.
Aftermath
Isolere’s technology became part of Donaldson Life Sciences and progressed from collaborative development to commercial and manufacturing-grade reagent offerings.
2023
Invest in a dedicated Life Sciences technical centerStrategyBackground
The growing Life Sciences portfolio required shared laboratory, cleanroom, development and early manufacturing capacity.
Action taken
Donaldson committed to a 25,000-square-foot technical center in Research Triangle Park, North Carolina.
Aftermath
The facility provided a hub for the development, launch and early commercialization of products from Isolere Bio, Purilogics, Solaris Biotechnology and Univercells Technologies.
2022
Add Purilogics membrane-chromatography technologyM&ABackground
Donaldson was building a broader bioprocessing platform and needed membrane technologies for downstream purification.
Action taken
Purilogics became part of Donaldson Company, adding membrane-chromatography capabilities for nucleic acids, antibodies, viral vectors and other biologics.
Aftermath
The Purexa portfolio expanded Donaldson’s life-sciences offering into scalable downstream purification consumables.
2021
Acquire Solaris BiotechnologyM&ABackground
Donaldson identified life sciences and bioprocessing as areas where its filtration expertise could be extended into equipment and integrated process solutions.
Action taken
Donaldson acquired Solaris Biotechnology for approximately €41 million and placed the business within its Industrial Filtration Solutions activities.
Aftermath
The acquisition added bioreactors, fermenters and tangential-flow filtration systems and became part of Donaldson’s later Life Sciences platform.
Acquisition consideration. approximately €41 million (November 2021)
1984
Diversify and restructure during an industrial recessionStrategyBackground
A downturn affecting major equipment customers, including John Deere, pressured Donaldson’s traditional agricultural and engine markets.
Action taken
Donaldson entered additional markets through acquisitions and restructured operations to reduce dependence on affected customer and industry segments.
Aftermath
The strategy accelerated the company’s development as a diversified filtration supplier serving industrial, aerospace, transportation and aftermarket markets.
1974
Acquire Torit and Majac to expand industrial filtrationM&ABackground
Donaldson sought to diversify beyond engine filtration and build a stronger position in dust collection and industrial air filtration.
Action taken
The company acquired Torit Corporation and Majac, adding cartridge-filtration expertise and industrial dust-collection products.
Aftermath
The acquisitions became a foundation for the Torit industrial-filtration portfolio and subsequent product development in cartridge collectors and replacement filters.
Recent events
Reported
Donaldson announces Alpha-Pore technology platform[19]
Donaldson announced Alpha-Pore, a sterile filtration technology platform designed to extend filter service life while maintaining critical process performance.
Reported
Donaldson acquires Solaris Biotechnology[20]
Donaldson acquired Solaris Biotechnology, which designs and manufactures bioprocessing equipment. Donaldson said the acquisition would strengthen its presence in life sciences markets.
Reported
Donaldson introduces Ultrapac Smart dryer[21]
Donaldson introduced the Ultrapac Smart dryer, which provides clean, dry compressed air for industrial production facilities.
Reported
Nelson Global Products signs binding offer to acquire Donaldson's Exhaust and Emissions business[22]
Nelson Global Products signed a binding offer to purchase Donaldson Company’s Exhaust and Emissions business. The parties said completion would depend on employee consultation, entering into a purchase agreement, closing conditions, and necessary approvals.
Reported
Nelson signs binding offer to purchase Donaldson’s Exhaust and Emissions business[23]
Nelson Global Products signed a binding offer to purchase Donaldson Company’s Exhaust and Emissions business. Completion remained subject to consultation, a purchase agreement, closing conditions and necessary approvals.
Reported
Donaldson introduces powertrain vents[24]
Donaldson introduced new powertrain vents designed to protect vehicle powertrain enclosures from contaminants and pressure stress. The vents include an oil-coalescing pre-filter.
Reported
Donaldson and Geotab announce Filter Minder integration[25]
Donaldson announced that it would integrate its Filter Minder monitoring system into Geotab's fleet management dashboard. The integration was still in field testing, and Donaldson hoped to release the solution in 2020.
Sources26 sources
- 1Donaldson Companyen.wikipedia.org
- 2Donaldson at a Glancedonaldson.com
- 3Donaldson Company Investor Relationsir.donaldson.com
- 4Donaldson Executive Managementir.donaldson.com
- 5Donaldson Board of Directorsir.donaldson.com
- 6Donaldson 2025 Form 10-Kir.donaldson.com
- 7Donaldson Acquires Solaris Biotechnologyir.donaldson.com
- 8Donaldson Acquires Isolere Bioir.donaldson.com
- 9Donaldson Invests in Life Sciences Technical Centerir.donaldson.com
- 10Donaldson Announces Leadership Role Changesir.donaldson.com
- 11Donaldson Introduces Dual-Stage Jet Battery Ventir.donaldson.com
- 12Purilogics Introduces Manufacturing-Grade Purexa Technologyir.donaldson.com
- 13Isolere Bio Announces Manufacturing-Grade IsoTag AAV Reagentir.donaldson.com
- 14Donaldson Introduces ArmorSealir.donaldson.com
- 15Donaldson Completes Facet Filtration Acquisitionir.donaldson.com
- 16Torit acquisition expands industrial filtrationafs.donaldson.com
- 17Donaldson marks its centennialir.donaldson.com
- 18Advancing Filtration for a Cleaner Worlddonaldson.com
- 19Donaldson 宣布推出 Alpha-Pore 技术平台owensoundsuntimes.com
- 20Donaldson收购Solaris Biotechnologyfinanznachrichten.de
- 21Donaldson 推出 Ultrapac Smart 干燥机dairyreporter.com
- 22Nelson Global Products签署收购Donaldson排气与排放业务的约束性要约business-standard.com
- 23Nelson签署收购Donaldson排气与排放业务的约束性要约prnewswire.co.uk
- 24Donaldson推出动力总成通气阀finanznachrichten.de
- 25Donaldson与Geotab宣布整合Filter Minder系统benzinga.com
- 26Donaldsonæ¨åºAlpha-Poreâ¢æè¡å¹³å°ï¼æåç¡èé濾æ§è½ | ä¸å¤®ç¤¾è¨æ¯å¹³å°cna.com.tw
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