Donaldson(NYSE) DCI

Donaldson Company, Inc. makes filters that keep engines and industrial machines running cleanly. These products help big equipment brands in farming, mining, and construction avoid damage from dust and dirt. The company also builds systems to purify air and liquids for food factories and computer chip makers.

What Donaldson Makes

• Mobile Solutions: Air and liquid filtration systems for heavy machinery and commercial vehicles; accounts for 62.3% of net sales in fiscal 2026.
• Industrial Solutions: Dust collectors and gas purification systems for manufacturing facilities and power plants; accounts for 29.1% of net sales in fiscal 2026.
• Life Sciences: Specialized filters and bioprocessing equipment for food production, data centers, and semiconductor manufacturing; accounts for 8.6% of net sales in fiscal 2026.

Strategic Buying and Building

• Acquired the Facet Filtration business for $822.6 million during fiscal 2026 to strengthen its position in aviation and power markets.
• Implemented a global footprint optimization plan involving plant closures to improve its manufacturing and operating cost structure.
• Introduced iCue connected technology to remotely monitor dust collection equipment for industrial customers.
• Expanded bioprocessing capabilities through previous acquisitions of companies like Univercells Technologies to target the cell and gene therapy markets.

Global Scale and Innovation

The company maintains its technical edge through a portfolio of over 3,100 issued patents. Its reach extends across six continents through 79 manufacturing and distribution centers serving global original equipment manufacturer (OEM) brands.

The Latest Financial Results

• Net sales rose 5.3% year over year to $3,885.6 million in fiscal 2026.
• Net earnings reached $453.8 million in fiscal 2026, up 23.7% year over year.
• Long-term debt increased to $1,280.0 million in fiscal 2026 to fund the acquisition of the Facet business.
• Research and development spending was $76.1 million in fiscal 2026, representing 2.0% of net sales.
• Backlog orders expected to be delivered within 90 days were $684.2 million as of July 31, 2026.

Evolving for the Future

Donaldson has successfully evolved from an engine filter manufacturer into a diversified purification technology company. This transition supports its presence in sectors ranging from heavy construction to specialized life sciences.