Donaldson Company

Donaldson Company, Inc., is a leading worldwide provider of filtration systems and replacement parts. Founded in 1915, Donaldson is a technology-driven company committed to satisfying customer needs for filtration solutions through innovative research and development. Donaldson serves customers in the industrial and engine markets, including dust collection, power generation, specialty filtration, compressed air purification, off-road equipment, industrial compressors, heavy trucks and light vehicles.

Brad Pogalz

Director, Investor Relations

13 past transactions


Acquisition in 2015
iFiL USA, LLC manufactures and distributes pleated filter technology. It provides helix tube, cartridge, and specialty filters. The company serves food processing, agricultural products and processing, cement, mining, petrochemical, and plastic industry. The company is based in Harrisonville, Missouri. As of June 30, 2015, iFiL USA, LLC operates as a subsidiary of Donaldson Company, Inc.

AirCel Corp

Acquisition in 2006
AirCel Corp designs and manufactures air and gas purification equipment. The company offers small point-of-use dryers, and large and custom engineered compressed air dryers for industrial applications; and filtration and separation products for compressed air systems. It also provides refrigerated air dryers, including DC cycling, VF and VC non-cycling, DHT high-inlet temperature, and RTM high-capacity cycling refrigerated air dryers; and membrane air dryers.

Northern Technical

Acquisition in 2014
Northern Technical L.L.C. designs, develops, manufactures, and supplies air filtration solutions for oil, gas, petrochemicals, and power generation industries in the United Arab Emirates and internationally. It offers air filtration systems; air filter elements, including pulse, panel, canister, barrier, bag, and pre filters; air filter media and technology products; exhaust systems, such as exhaust silencers, plenums, and stacks, as well as expansion joints; inlet cooling systems; and turbine auxiliary equipment that include enclosures, ventilation systems, and inlet silencers.

Industries Partmo S.A

Acquisition in 2015
Industries Partmo S.A manufactures products for customers in the field of filtration and related products. The company offers sealed and mesh filters. It offers its products through distributors in Colombia and internationally. The company is headquartered in Bucaramanga, Colombia. As of August 31, 2016, Industries Partmo S.A operates as a subsidiary of Donaldson Company, Inc.

Aerospace Filtration Systems

Acquisition in 2007
Aerospace Filtration Systems, Inc. designs, develops, and manufactures engine inlet barrier filtration systems used in commercial and military propulsion systems. It offers engine barrier filters and APU systems, as well as a line of spare components for commercial systems.

BOFA International

Acquisition in 2018
BOFA International is a multi-award winning world leader in fume extraction and filtration, acknowledged as number one in the industry. Ours is an unrivalled heritage of nearly 30 years’ experience in providing fume extraction solutions which are reliable, high quality and with a low lifetime cost of ownership. Our expertise is well established and trusted by all sizes of businesses, from global market leaders to niche production in a wide cross section of industries including Laser, Electronics, Mechanical Engineering, Printing, 3D Printing, Dental, Medical, Pharmaceutical and Beauty.

Hy-Pro Filtration

Acquisition in 2017
Hy-Pro designs and manufactures filtration systems and replacement filters for stationary hydraulic and industrial lubrication filtration applications. Hy-Pro, which was founded in 1986, is based in Anderson, Indiana, and has 110 employees.

Engineered Products Co.

Acquisition in 2015
Engineered Products Co., doing business as Filter Minder, designs, manufactures, and supplies filter monitoring devices. The company offers a line of filter monitors, including indicators, switches, and sensors that are used to monitor air and fuel filters in automotive, truck, off-highway vehicle, military vehicle, construction, agriculture, compressors, blowers, hydraulics, lawn and garden, and irrigation industries. Its products include visual/mechanical indicators that monitor the condition of engine air filters, fuel filters, or other low vacuum/pressure applications.

Triboguard Co.

Acquisition in 2004
Triboguard Co. manufactures industrial hydraulic and other liquid filters.

Western Filter

Acquisition in 2008
Western Filter manufactures filter products for automotive, pulp and paper, injection molding, oil field equipment, machine tool, primary metal, mobile, power generation, metalworking, and heavy equipment markets.

Le Bozec Filtration and Systems

Acquisition in 2005
Le Bozec Filtration and Systems engages in the design and manufacture of equipment for fuel, hydraulic fluids, and air management on aircraft and helicopters. It offers filters, indicators, connectors, transmitters, and pressurization systems. Le Bozec also manufactures clogging indicators, by pass valves, pressure transducers, and pressure relief valves.

Ultrafilter International

Acquisition in 2002
Ultrafilter International AG designs and manufactures components, replacement parts, and complete systems for the compressed air purification industry. The Company's products include compressed air filters and a wide assortment of replacement filters, refrigeration and desiccant dryers, condensate management devices, and related services.

Rawsen Equipment

Acquisition in 2007
Rawsen Equipment manufactures and distributes a wide range of filtration products for compressed air and gas applications.