Knowles

- Kuyambira mu 1946 Knowles amathandiza opanga kupeza njira zambiri zopangira teknoloji yabwino kuti agwire ntchito kwa makasitomala awo. Knowles ndi mtsogoleri wa msika komanso wogulitsa padziko lonse za mafilimu apadera, zipangizo zapadera, komanso njira zowonetsera anthu pafoni, magetsi, zamakono, ndi mafakitale ena ogulitsa mafakitale. Chidziwitso cha Knowles ndi kuyesa kwakukulu kumapereka mankhwala odalirika komanso odalirika kuphatikizapo oyankhula ndi ma microphone omwe amamva mankhwala, kumva makompyuta, makompyuta, ndi makina opanga mafilimu. Ma Knowles MEMS (micro-electro-mechanical system) ma microphone ndi oyankhulira ochepa amagwiritsidwa ntchito kwambiri mu mafoni a m'manja, mapiritsi, mabuku, ndi zipangizo zina.
Atawunikira ku Itasca, Illinois, ndipo amagulitsa pa NYSE pansi pa chizindikiro "KN", Knowles ali ndi antchito oposa 10,000 m'malo 37 padziko lonse lapansi akuphatikizapo malo opangira mapulani ku Ulaya, Asia ndi North America. Zonse zopangidwa ndi ISO-9001 zatsimikiziridwa, ndi zina zotsimikiziridwa ndi ISO-14001 kapena OHSAS-18001. Njira Yabwino Yogwirira Ntchito ya Knowles imatsimikizira kukonza, umphumphu, kupanga zinthu zogwira mtima komanso mtengo wogulitsa pa nthawi.