國巨股份有(you)限公司（YAGEO Corporation），臺(tai)灣的電子(zi)元(yuan)(yuan)件制造商、第一(yi)家股票(piao)上(shang)市(shi)的被動(dong)元(yuan)(yuan)件廠。成立于1977年，其主要產品包括多層陶瓷電容器（MLCC）、鉭質電容 (Tantalum Capacitors)、晶片電阻（Chip Resistors）、無線元(yuan)(yuan)件（Wireless Components）等被動(dong)元(yuan)(yuan)件及進階電子(zi)零組件，是(shi)一(yi)間擁有(you)全球產銷據點的國際化(hua)企業，其生產及銷售據點涵蓋亞洲(zhou)、歐洲(zhou)及美洲(zhou)。

國巨的一站式購足產(chan)(chan)品包括晶片電(dian)(dian)(dian)(dian)(dian)(dian)阻、導線電(dian)(dian)(dian)(dian)(dian)(dian)阻、電(dian)(dian)(dian)(dian)(dian)(dian)容(含積層陶瓷(ci)、鉭質(zhi)及鋁質(zhi)電(dian)(dian)(dian)(dian)(dian)(dian)容)、天線、網路(lu)產(chan)(chan)品、電(dian)(dian)(dian)(dian)(dian)(dian)感、變壓器、繼電(dian)(dian)(dian)(dian)(dian)(dian)器及電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)保護(hu)元件等，而相關產(chan)(chan)品目前應用領域為航太(tai)、汽車(che)、5G及電(dian)(dian)(dian)(dian)(dian)(dian)信(xin)、工(gong)業、醫療、IOT、電(dian)(dian)(dian)(dian)(dian)(dian)源管理、綠電(dian)(dian)(dian)(dian)(dian)(dian)能、電(dian)(dian)(dian)(dian)(dian)(dian)腦周(zhou)邊及消(xiao)費性電(dian)(dian)(dian)(dian)(dian)(dian)子。國巨MLCC全球(qiu)(qiu)(qiu)市占率約13%，晶片電(dian)(dian)(dian)(dian)(dian)(dian)阻全球(qiu)(qiu)(qiu)市占率約34%，為全球(qiu)(qiu)(qiu)晶片電(dian)(dian)(dian)(dian)(dian)(dian)阻第一大(da)廠，其后分別(bie)為羅姆(ROHM)、松下電(dian)(dian)(dian)(dian)(dian)(dian)器(Panasonic)及KOA corporation；積層陶瓷(ci)電(dian)(dian)(dian)(dian)(dian)(dian)容為則為全球(qiu)(qiu)(qiu)大(da)六大(da)業者(zhe)，次于村田制作所(MURATA)、東電(dian)(dian)(dian)(dian)(dian)(dian)化(TDK)及TAIYU YUDEN；磁性元件方(fang)面，為第四大(da)廠，市占率8%。

1977年7月(yue)(yue)(yue)，國(guo)巨(ju)股(gu)(gu)份有(you)限(xian)公(gong)司(si)成立，開始(shi)生產自動焊接機與碳膜(mo)電阻器。1987年9月(yue)(yue)(yue)，臺灣阻抗(kang)股(gu)(gu)份有(you)限(xian)公(gong)司(si)成立。1989年11月(yue)(yue)(yue)，臺灣阻抗(kang)與國(guo)巨(ju)合(he)并，國(guo)巨(ju)為(wei)存續公(gong)司(si)。[4]1991年5月(yue)(yue)(yue)，股(gu)(gu)票(piao)獲準在證券商(shang)營業(ye)柜臺買賣（店(dian)頭(tou)市(shi)場(chang)(chang)）。1992年3月(yue)(yue)(yue)，股(gu)(gu)票(piao)在店(dian)頭(tou)市(shi)場(chang)(chang)掛(gua)牌買賣。1993年7月(yue)(yue)(yue)，財政部證券管(guan)理(li)委員(yuan)會核(he)準國(guo)巨(ju)股(gu)(gu)票(piao)上(shang)市(shi)。同(tong)年10月(yue)(yue)(yue)，國(guo)巨(ju)股(gu)(gu)票(piao)以臺灣證券交易所第一(yi)(yi)類(lei)股(gu)(gu)票(piao)正式上(shang)市(shi)掛(gua)牌買賣。1995年7月(yue)(yue)(yue)，亞(ya)洲貨幣雜(za)志“Asia Money”評選“國(guo)巨(ju)股(gu)(gu)份有(you)限(xian)公(gong)司(si)”為(wei)臺灣十大最(zui)佳(jia)經(jing)營管(guan)理(li)企業(ye)之一(yi)(yi)。同(tong)年11月(yue)(yue)(yue)，美國(guo)富比士(shi)雜(za)志《Forbes》更評選“國(guo)巨(ju)”為(wei)“美國(guo)之外(wai)的世界最(zui)佳(jia)100家小型企業(ye)（The Best 100 Small Companies Outside U.S.A.）”。

目前，國(guo)巨為(wei)全(quan)(quan)球(qiu)第(di)(di)一大(da)晶片(pian)電阻(zu) (R-Chip) 制造商、第(di)(di)一大(da)鉭質電容 (Tantalum Capacitor) 制造商、第(di)(di)三大(da)積(ji)層陶瓷電容 (MLCC) 供應(ying)商，在(zai)(zai)全(quan)(quan)球(qiu)有(you)47個行銷/服務據點、40座生(sheng)(sheng)產(chan)(chan)(chan)基地及20個研(yan)發中心，集團于(yu)全(quan)(quan)球(qiu)共有(you)30,000名(ming)員(yuan)工。國(guo)巨生(sheng)(sheng)產(chan)(chan)(chan)廠房(fang)落(luo)座于(yu)臺(tai)灣高(gao)(gao)(gao)雄、中國(guo)蘇(su)州市、東莞市、歐洲波蘭、葡萄(tao)牙等(deng)(deng)地區。截(jie)至2020年底，晶片(pian)電阻(zu)(Chip Resistor)月(yue)產(chan)(chan)(chan)能約(yue)為(wei)1250億顆(ke)(ke)，市占率(lv)為(wei)全(quan)(quan)球(qiu)第(di)(di)一大(da)廠；積(ji)層陶瓷電容(MLCC)月(yue)產(chan)(chan)(chan)能800億顆(ke)(ke)。2020年下半年，公司(si)為(wei)因應(ying)高(gao)(gao)(gao)階車(che)用(yong)、工業、醫療(liao)、航太、5G／IOT發展所需，已在(zai)(zai)高(gao)(gao)(gao)雄大(da)發三廠擴(kuo)充高(gao)(gao)(gao)階MLCC生(sheng)(sheng)產(chan)(chan)(chan)線、月(yue)產(chan)(chan)(chan)能可達200億顆(ke)(ke)。國(guo)巨董事長陳泰(tai)銘(ming)表示2021年公司(si)營運有(you)5個策略，會(hui)提高(gao)(gao)(gao)5G、車(che)用(yong)、工控(kong)、航太、醫療(liao)等(deng)(deng)應(ying)用(yong)的(de)規模(mo)。