UL Keeb Kwm

Xyoo 1890s, ib qho hluav taws loj tau tawg tawm hauv Tebchaws Meskas. Tus thawj coj tsis raug Culprit yog kev siv hluav taws xob. Qhov ua rau muaj kev sib tsoo yog kev siv ntau thiab ntau qhov kev sib txuas hluav taws xob thiab cov khoom siv hluav taws xob. Txhawm rau tiv thaiv kev puas tsuaj los ntawm kev txuas ntxiv, William H. Merrillers raug tsim kho UL (Underwriters Lub Chaw Haujlwm Saib Xyuas Haujlwm) Xyoo 1894, 1894, thiab pib nws lub neej tiv thaiv kev nyab xeeb. Cov. UL yog xeem US Cov Khoom Siv Kev Nyab Xeeb Khoom thiab cov koom haum pov thawj thiab tus tsim ntawm Asmeskas cov qauv kev nyab xeeb. Nyob rau hauv chav kawm ntawm ntau tshaj li ib puas xyoo, UL tau ua cov qauv kev nyab xeeb muaj kev nyab xeeb rau ntau pua cov khoom lag luam thiab cov khoom siv.