Who We Are

As a global leader in the filtration industry, we pride ourselves on our innovative technologies and solutions, backed by a talented and dedicated team of employees.

At a Glance

In 1915, Frank Donaldson Sr. invented the first effective air cleaner. Our commitment to innovation continues today.

Ethics & Compliance

We hold ourselves to the highest ethical standards, collectively and individually.


We are committed to maintaining and improving our sustainability efforts worldwide.

Community Involvement

Donaldson believes in giving back, doing good and making a positive impact in our communities.

Donaldson Foundation

Founded in 1966, the Donaldson Foundation is our main vehicle for charitable giving.