Ua hoʻokumu ʻia ʻo NIBCO i ka makahiki 1904 a aia ke keʻena nui ma Elkhart, Indiana. ʻO NIBCO kahi mea hana koʻikoʻi o nā valves, nā mea pono, a me nā huahana mana kahe. I kēia manawa, loaʻa iā NIBCO nā kumu hana 10 a me nā kikowaena hoʻolaha 8 ma United States, Mexico a me Polani, e hāʻawi ana i nā lawelawe pane wikiwiki i nā mea kūʻai aku a puni ka honua.
Hoʻokumu ʻo NIBCO i nā ʻīpuka puka me nā ʻano hoʻolālā like ʻole, e like me nā ʻīpuka keleawe keleawe, nā ʻīpuka keleawe keleawe, nā kīwī puka hao, a me nā mea ʻē aʻe, hiki ke hoʻokō i nā pono o kāu ʻoihana.

Ua hoʻokumu ʻia ʻo DeZURIK ma 1928 a ua lilo i alakaʻi alakaʻi honua i ka ʻenehana valve. Ua kaulana ia ma ka honua holoʻokoʻa no ke kūlana kiʻekiʻe a me ka hana kiʻekiʻe o kāna mau huahana. Hoʻokumu ʻo DeZURIK i ka hoʻolako ʻana i nā valve mana kaʻina no ka mālama ʻana i ka wai, ka mālama ʻana i ka wai, nā paipu wai wai, ka pepa a me ka pulp, ka mana uila a me nā ʻoihana ʻē aʻe.
Loaʻa nā huahana DeZURIK i nā ʻīpuka ʻīpuka pahi, nā ʻīpuka wai wai, nā ʻīpuka ʻano O-type, a me nā kiwi puka kūikawā no kāu koho.

Hoʻokumu ʻia i ka makahiki 1950, ʻo Velan kekahi o nā mea hana nui o ka honua i nā pahu kila ʻoihana. Loaʻa iā Velan nā kumu hana 12, 2 mau kikowaena hoʻolaha waiwai, a me nā haneli o nā mea hoʻolaha a puni ka honua e hāʻawi i nā lawelawe hoʻouna wikiwiki i nā mea kūʻai aku a puni ka honua.
No nā makahiki he nui, ua kūpaʻa ʻo Velan i ka hoʻolako ʻana i nā ʻōkuhi kaʻina hana hou no nā ʻoihana koʻikoʻi nui. Loaʻa iā Velan kahi laina huahana holoʻokoʻa, ʻo ia hoʻi nā ʻīpuka puka, nā kīwaha honua, nā kiwi nānā, nā pahele mahu a me nā mea hou aku.

Ua hoʻokumuʻiaʻo ORBINOX i ka makahiki 1964. Loaʻa iā ORBINOX nā mea kanu 6 a me nā hui kūʻai kūʻai 12 ma'Europa,ʻAmelika a me'Asia, a ua hoʻomohala i kaʻoihana kālepa ma mua o 70 mau'āina a puni ka honua, e lawelawe ana i nā mea kūʻaiʻoihana ma ka honua holoʻokoʻa. Loaʻa iā ORBINOX kahi hui ʻenehana loea i hoʻomaikaʻi mau ʻia i ka ʻenehana valve i nā makahiki a ua lilo i kēia manawa i mea alakaʻi alakaʻi alakaʻi ʻo ʻEulopa.

Ua hoʻokumu ʻia ʻo KITZ i ka makahiki 1951 a ʻo ia kekahi o nā mea hana alakaʻi o nā valve manual ma Asia. Hāʻawi nā huahana i ka ʻoihana hoʻoheheʻe petrochemical, ʻoihana mālama wai, ʻenehana mīkini, ʻoihana ʻaila a me ka ʻea, ʻoihana hoʻomaʻemaʻe aila a me nā ʻoihana ʻē aʻe a i ʻole nā ​​​​hale.
Loaʻa nā huahana i nā ʻīpuka puka, nā kinipōpō pōlele, nā kīwaha butterfly, nā kīwaha actuator a pēlā aku.