DCI vs RPM Comparison

Donaldson is a leading manufacturer of filtration systems and replacement parts (including air filtration systems, liquid filtration systems, and dust, fume, and mist collectors). The company serves a diverse range of end markets, including construction, mining, agriculture, truck, and industrial. Its business is organized into three segments: mobile solutions, industrial solutions, and life sciences. Donaldson generated approximately $3.7 billion in revenue in its fiscal 2025.

RPM International Inc manufactures and sells a variety of paints, coatings, and adhesives. The firm organizes itself into four segments based on product type. The construction products group sells coatings, roofing, insulation, and other products to distributors, contractors, and end consumers globally. The performance coatings group produces coatings that are used in construction and industrial applications like floorings and corrosion control. The consumer group sells paint, finishes, and similar products to individual consumers through hardware and craft stores. The specialty products group sells a line of products ranging from niche applications of the other groups to marine finishes, to edible food colorings. The majority of revenue is from the construction products and North America.