may not reflect the encyclopedic tone used on wikipedia . see wikipedia s guide to writing better articles for suggestions . april 2016 learn how and when to remove this template message serta type subsidiary industry furnishings founded 1931 founder 13 mattress manufacturers headquarters hoffman estates illinois u.s. key people n a products bedding website www.serta.com serta semi trailer parked in mattress store parking lot ann arbor michigan serta is an american company based in hoffman estates illinois that specializes in developing and manufacturing mattresses . it was founded in 1931 by 13 mattress manufacturers who licensed the serta name ; subsequently eight independent licensees acting like a cooperative owned the company . afterwards it was controlled and operated as serta international by its largest licensee national bedding company which ultimately held 27 of the 34 u.s. serta manufacturing licenses . 1 in 2005 two private equity groups teamed up to purchase national bedding co. the ares corporate opportunities fund the los angeles based private equity fund of ares management ; and teachers private capital the private equity arm of the ontario canada teachers pension plan . 2 the american company serta international is a subsidiary of the american company serta simmons holdings llc . serta is the largest mattress brand in the united states and offers three main types of mattresses traditional inner spring gel infused memory foam and hybrid mattresses which combine both . serta products are used extensively in the lodging industry with hilton worldwide and wyndham worldwide among its customers . 3 serta mattresses are also offered on cable home shopping channel shopnbc . the company is famous for its counting sheep advertising campaign which were animated by aardman animations and first created in 2000 . see also edit bedding bed futon sunday mattresses references edit national bedding to head serta ed lilly leaves company . bedtimes magazine . september 2004 . retrieved 2011 9 19 . two equity firms purchase serta . bedtimes magazine . september 2005 . retrieved 2011 12 7 . auer joe . serta mattress company overview . mattress clarity . retrieved 24 april 2016 . external links edit serta website v t e north american mattress manufacturers casper dorel king koil sealy select comfort serta shifman simmons spring air tempur pedic therm a rest leggett & platt saatva this article about furniture or furnishing is a stub . you can help wikipedia by expanding it . v t e retrieved from https en.wikipedia.org w index.php title serta company & oldid 735368546 categories companies established in 1931franchisescooperatives in the united statescompanies based in cook county illinoisfurniture stubshidden categories wikipedia articles needing style editing from april 2016all articles needing style editingall 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 edit links this page was last modified on 20 august 2016 at 07 14 . 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