of trees type private industry tree care founded wheeling illinois united states 1967 founder john hendricksen bob hendricksen headquarters wheeling illinois united states key people karl j. warnke ceo revenue us 48 989 204 2007 owner employee owned number of employees 350 website www.thecareoftrees.com the care of trees is a privately held company that provides tree care services to the greater metropolitan areas of chicago southwestern connecticut new york philadelphia northern virginia and washington d.c. it is the fourth largest residential tree care company 1 in north america . it was incorporated in 1967 as hendricksen tree experts inc. and changed its name to the care of trees inc. in november 1988 . 2 3 it merged with the davey tree expert company in june 2008 and is a wholly owned subsidiary . 4 5 references edit lawn & landscape top 100 pdf . business week . koziol nina a march 7 1999 . chicago tribune march 7 1999 . chicago tribune . business week . arbor age magazine . this article about a corporation in the service industry is a stub . you can help wikipedia by expanding it . v t e retrieved from https en.wikipedia.org w index.php title the care of trees & oldid 730990365 categories wheeling illinoisprivately held companies based in illinoiscompanies established in 1967horticultural companiesservice company stubshidden categories all stub articles navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent eventsrandom articledonate to wikipediawikipedia store interaction helpabout wikipediacommunity portalrecent changescontact page tools what links hererelated changesupload filespecial pagespermanent linkpage informationwikidata itemcite this page print export create a bookdownload as pdfprintable version languages add links this page was last modified on 22 july 2016 at 05 23 . text is available under the creative commons attribution sharealike license ; additional terms may apply . by using this site you agree to the terms of use and privacy policy . wikipedia is a registered trademark of the wikimedia foundation inc. a non profit organization . privacy policy about wikipedia disclaimers contact wikipedia developers cookie statement mobile view