{{Infoboks virksomhed|wikidata=alle}}
'''Donaldson Company, Inc.''' ({{nyse|DCI}}) er en amerikansk producent af [[luftfilter|luftfiltre]] og luftfiltrering til brug i motorer, industri, luftfartsindustri, osv.
De har afdelinger i [[Belgien]], [[Mexico]], [[Kina]], UK, [[Tjekkiet]], [[Malaysia]], [[Thailand]], USA, [[Sydafrika]], [[Rusland]],<ref>{{cite web|url=http://dmliefer.ru/ru/content/donaldson|title=Donaldson in Russia|date=2013-06-19}}</ref> [[Japan]], Italien, tyskland og Frankrig.<ref>{{cite web|url=http://www.123jump.com/earnings-story/Donaldson-Net-Rises;-Phillips-Van-Heusen-Net-Loss/38830|title=Donaldson Net Rises; Phillips-Van Heusen Net Loss|date=2010-05-25|access-date=2010-09-21|archive-url=https://web.archive.org/web/20110707055157/http://www.123jump.com/earnings-story/Donaldson-Net-Rises;-Phillips-Van-Heusen-Net-Loss/38830|archive-date=2011-07-07|url-status=dead}}</ref><ref>{{cite web|url=http://seekingalpha.com/article/122927-donaldson-looks-like-the-streak-is-over|title=Donaldson:Looks Like the Streak Is Over|date=2009-02-26}}</ref><ref>{{cite web|url=http://www.frost.com/prod/servlet/press-release.pag?docid=60843453|title=Donaldson Recognized by Frost & Sullivan for Product Innovation in Automotive Air Filters Aftermarket|date=2006-02-14}}</ref>  It has also participated in technological advancements associated with [[fuel cells]].<ref>{{cite web|url=http://www.thefreelibrary.com/Donaldson+Company+and+Los+Alamos+National+Laboratory+Join+Forces+to...-a0100442851|title=Donaldson Company and Los Alamos National Laboratory Join Forces|date=2003-04-22}}</ref> 
''Donaldson Engineering'' blev etableret af Frank Donaldson i 1915.<ref>[http://www.emea.donaldson.com/en/about/information/history.html Donaldson Company History]</ref>
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