NIBCO idakhazikitsidwa mu 1904 ndipo likulu lawo ku Elkhart, Indiana. NIBCO ndiwopanga mavavu, zolumikizira, ndi zowongolera zotuluka. Pakalipano, NIBCO ili ndi maziko opangira 10 ndi malo ogawa 8 ku United States, Mexico ndi Poland, omwe amapereka chithandizo chofulumira kwa makasitomala padziko lonse lapansi.
NIBCO imapanga ma valve a zipata okhala ndi mapangidwe osiyanasiyana, monga ma valve a mkuwa, ma valve amkuwa, ma valve achitsulo, ndi zina zotero, zomwe zingakwaniritse zosowa za makampani anu.

DeZURIK idakhazikitsidwa mu 1928 ndipo tsopano yakhala mtsogoleri wadziko lonse lapansi paukadaulo wama valve. Ndiwodziwika padziko lonse lapansi chifukwa chapamwamba komanso ntchito zake zapamwamba. DeZURIK yadzipereka kupereka ma valve owongolera njira zoyeretsera madzi, kuthira zimbudzi, mapaipi operekera madzi, mapepala ndi zamkati, mphamvu yamagetsi ndi mafakitale ena.
Zogulitsa za DeZURIK zimaphatikizapo ma valve pachipata cha mpeni, mavavu a zipata zamadzi, ma valve amtundu wa O, ndi mavavu apadera a zipata zomwe mungasankhe.

Yakhazikitsidwa mu 1950, Velan ndi m'modzi mwa otsogola padziko lonse lapansi opanga mavavu azitsulo zamafakitale. Velan ili ndi maziko opangira 12, malo 2 ogawa masheya, ndi mazana a ogulitsa padziko lonse lapansi kuti apereke ntchito zoperekera mwachangu kwa makasitomala padziko lonse lapansi.
Kwa zaka zambiri, Velan wakhala akudzipereka kupereka ma valve owongolera njira zamafakitale akuluakulu. Velan ili ndi mzere wokwanira wazogulitsa, kuphatikiza ma valve a zipata, ma valve a globe, ma valve owunika, misampha ya nthunzi ndi zina zambiri.

ORBINOX inakhazikitsidwa mu 1964. ORBINOX ili ndi zomera zopangira 6 ndi makampani ogulitsa 12 ku Ulaya, America ndi Asia, ndipo yapanga malonda a malonda m'mayiko oposa 70 padziko lonse lapansi, akutumikira makasitomala ogulitsa mafakitale padziko lonse lapansi. ORBINOX ili ndi gulu laukadaulo laukadaulo lomwe lakhala likuwongolera ukadaulo wa vavu kwazaka zambiri ndipo tsopano yakhala mtsogoleri waku Europe wopanga ma valve pachipata cha mpeni.

KITZ idakhazikitsidwa mu 1951 ndipo pano ndi m'modzi mwa opanga ma valve apamanja ku Asia. Zogulitsazi zimagwira ntchito yopanga mafuta a petrochemical, mafakitale opangira madzi, zida zamagetsi, mafakitale amafuta ndi gasi, mafakitale oyenga mafuta ndi mafakitale ena kapena mabanja.
Zogulitsa zimaphatikizapo mavavu a pachipata, mavavu a mpira, ma valve agulugufe, ma valve oyendetsa ndi zina zotero.