Donaldson is one of the largest and most successful filtration manufacturers in the world. Since 1915, our innovative technologies have been solving complex filtration challenges to improve people’s lives, enhance equipment performance and protect our environment. Some of our product lines include: compressed air and gas, emission and exhaust, membranes and nanofibers, and process filtration. Our customers are as varied as the industries they represent, and include aerospace, agriculture, construction, food and beverage, manufacturing and transportation fields. You cannot always see our products and technologies, but they are at work in hundreds of ways, from bulldozers to hearing aids, and from airplane cabins to grain processing facilities.