Singer Kong-si (Singer Corporation) sī Bí-kok ê chi̍t keng chhâi-hông-chhia chè-chō-siong, 1851 nî khai-ki ê sî hō chò I. M. Singer & Co., sī Isaac Merritt Singer kap Edward Clark chhòng-li̍p--ê. In tī 1865 nî kái miâ Singer Manufacturing Company, 1963 nî koh kái The Singer Company.