Our History This is the story of Donaldson Company and its people. In 1915, Donaldson started as a three-man shop manufacturing simple air cleaners for farm tractors. Today, we have expanded our product portfolio and grown into a worldwide corporation with a direct Donaldson presence in 44 countries. Strategy for Success Donaldson doesn’t settle for less than the best. When working with us, you will experience that first-hand and will find that our values are the cornerstone of how we conduct business on a daily basis. We have a compelling company strategy that entices us to always outperform. On-road or off-road, in all kinds of operating environments, Donaldson air filtration technology protects engines, delivers longer filter life and gives you the confidence that comes with using the industry leader. Donaldson has pioneered the development of nearly every major advancement in heavy-duty engine air filtration since 1915. We set the standard for filtration performance. For more product information, check out our Air Filtration data library.