Crane Fluid System ke e 'ngoe ea lihlahisoa tse etellang pele tsa Crane Co, tse fanang ka letoto la li-valve tse akaretsang, joalo ka li-valve tsa heke, li-valve tsa bolo, li-valve tsa serurubele, li-valve tsa globe joalo-joalo. Lihlahisoa li ka sebeletsa indasteri ea kaho ea likepe, lisebelisoa tsa ho futhumatsa le ho pholisa, mekhoa ea ho hloekisa metsi, ho lokisa lijo joalo-joalo.
Ts'ebetso ea tlhahiso ea Crane Fluid System e lumellana ka thata le maemo a machaba a ISO9001 ho netefatsa boleng ba sehlahisoa.

MSA e thehiloe ka 1885 mme ke lets'oao la TMK. Lihlahisoa tsa eona li kenyelletsa li-valve tsa heke, li-valve tsa globe, li-valve tsa bolo, li-valve tsa serurubele joalo-joalo. MSA e ikemiselitse ho fana ka litharollo tse ntle tsa taolo ea ts'ebetso bakeng sa oli le khase ea lefats'e, lits'ebetso tsa lipeipi tsa lipeipi, le lits'ebetso tsa ts'ebetso.
MSA e hlahisa lihlahisoa ho latela maemo a machaba le maemo a EU.

Babcock Valves e thehiloe ka 1967 mme e na le lilemo tse fetang 50 tsa boiphihlelo ba li-valve. Phihlelo e ruileng e ba lumella ho utloisisa litlhoko tsa liindasteri tse fapaneng hantle haholo. Babcock Valves e ka u fa litharollo tsa taolo ea phallo e entsoeng ka mokhoa o ikhethileng. Lihlahisoa tsa Babcock Valves li kenyelletsa li-valve tsa heke, li-valve tsa lefats'e, li-valve tsa bolo, li-valve tsa serurubele, joalo-joalo, li sebeletsa indasteri ea tlhahiso ea matla, indasteri ea petrochemical, indasteri ea oli le khase, limela tsa metsi, joalo-joalo.

Tecofi e thehiloe ka 1985 mme e na le ntlo-kholo ea Fora. Tecofi e ka fana ka litharollo tsa taolo ea ts'ebetso e hlophisitsoeng ho latela litlhoko tsa hau, hammoho le ho u fa tšehetso ea tekheniki ho thusa morero oa hau ho sebetsa hantle.
Lihlahisoa tsa Tecofi li kenyelletsa li-valve tsa heke, li-valve tsa heke ea thipa, li-valve tsa lefats'e, li-balance valve, li-valve tsa bolo joalo-joalo. Lihlahisoa li ka sebeletsa phepelo ea metsi, indasteri ea HVAC, indasteri ea pampiri, semela sa biogas joalo-joalo.

Belgicast e thehiloe ka 1957 ho fana ka tharollo ea litsebi bakeng sa theknoloji ea phekolo ea metsi lefatšeng ka bophara. Lihlahisoa tse ntle tsa Belgicast li kenyelletsa li-valve tsa heke, li-valve tsa serurubele, li-valve tsa ho hlahloba, joalo-joalo, tse ka sebelisoang hantle liindastering tse fapaneng tsa kalafo ea metsi. Lihlahisoa tsa Belgicast li etsoa Europe. Ts'ebetso ea tlhahiso e lumellana le maemo a EU le maemo a machaba.

E Thehiloe ka 2000, COVNA ke moetsi oa li-valve oa lilemo tse 21 Chaena. Re fana ka li-valve tsa heke ka mofuta oa matsoho, mofuta oa motlakase le mofuta oa pneumatically ho fihlela litlhoko tsa hau tse fapaneng. Amohela lipotso leha e le life tse tsoang ho uena.