Icyemezo cya UL nicyemezo kidateganijwe muri Reta zunzubumwe zamerika, cyane cyane kugerageza no kwemeza imikorere yumutekano wibicuruzwa, kandi murwego rwo gutanga ibyemezo ntirurimo EMC (electromagnetic guhuza) ibiranga ibicuruzwa.UL ni umuryango wigenga, udaharanira inyungu, umuryango wabigize umwuga ugerageza umutekano rusange.UL yashinzwe mu 1894. Mu cyiciro cya mbere, UL ahanini yashingiye ku mafaranga yatanzwe n’ishami ry’ubwishingizi bw’umuriro kugirango ikomeze imikorere yayo.Mu 1916 ni bwo UL yigenga rwose.Nyuma yimyaka igera ku ijana yiterambere, UL yahindutse urwego ruzwi kwisi yose rufite ibyemezo hamwe nuburyo bukomeye bwo gucunga neza imitegekere, iterambere risanzwe hamwe nuburyo bwo gutanga ibicuruzwa.
Icyemezo cya UL cyashinzwe nicyemezo, ikigo gishinzwe iterambere gisanzwe, ikigo cyikigo, ikigo cyikigo.1894, na UL nayo itegura amahame yigihugu ya Kanada.
Kubona Icyemezo cya UL ni ngombwa kuko byerekana ubushobozi bwabakora na serivise.Abaguzi bifuza kumenya isosiyete bakoresha kugirango bashyiremo ibikoresho byabo bujuje ibisabwa kugirango bakore akazi neza, kandi ko bafata umwanya kugirango barebe ko ibicuruzwa byose bashizeho bipimwa kandi byujuje ubuziranenge bwumutekano.Icyemezo cya UL cyerekana kandi ko isosiyete yujuje amategeko yose y’umutekano n’ibidukikije ndetse n’ibidukikije.Urashobora kwizeza uzi ko abakozi bawe nabakiriya bawe bafite umutekano.
Ikimenyetso cya UL gitanga intego, siyanse ishingiye kubice bitatu-bigerageza no kugenzura ibicuruzwa byamamaza ibicuruzwa kubicuruzwa byabo, nkibikorwa byibicuruzwa, ubuziranenge, nibikorwa bisabwa.
1. Igicuruzwa gikoresha umutekano wibicuruzwa bitandukanye;mugihe abaguzi nibice bahisemo ibyemezo byibicuruzwa byo muri Amerika, biroroshye guhitamo ibimenyetso byibicuruzwa hamwe nisoko ryose.
2. Amateka ya UL afite amateka yimyaka irenga 100.Ishusho yawe yashinze imizi mubaguzi na guverinoma.Niba utagurishije ibicuruzwa kubakoresha, byanze bikunze uzakenera ibicuruzwa kugira icyemezo cya UL, kugirango ibicuruzwa bisubirwemo.
3. Abaguzi b'Abanyamerika hamwe n’ibice byo kugura bafite icyizere kinini kubicuruzwa byikigo.
4. Hariho intara zirenga 40.000 zubutegetsi muri Reta zunzubumwe zunzubumwe zunzubumwe zunzubumwe zunzubumwe zunzubumwe zunzubumwe zunzubumwe zunzubumwe zunzubumwe zunzubumwe zunzubumwe zunzubumwe zunzubumwe zunzubumwe zunzubumwe zunzubumwe zunzubumwe zunzubumwe zunzubumwe zunzubumwe zunzubumwe zunzubumwe zunzubumwe zunzubumwe zunzubumwe zunzubumwe zunzubumwe zunzubumwe zunzubumwe za reta zunzubumwe za reta zunzubumwe za reta zunzubumwe za reta zunze ubumwe za Amerika
Icyemezo cya UL cyabonye ibicuruzwa bya Soloon gifite akamaro kanini mugurisha ibicuruzwa byacu muri Amerika, Kanada no mubindi bihugu.