Tenaris: Hombe pane dzose pasi rosepombi yesimbi isina musonomugadziri, ane simba guru uye purofiti. Dzimba yake huru iri muLuxembourg.

CITIC Special Steel: Mutungamiriri muindasitiri yesimbi yakakosha, ine kugona kwakakwana kwekugadzira matani mamiriyoni makumi maviri esimbi yakakosha pagore.

Vallourec: Mutungamiriri wepasi rose mumapaipi esimbi asina musono emhando yepamusoro, anozivikanwa pasi rose nekuda kwehunyanzvi hwayo hwetekinoroji uye ari pamusika wepamusoro-soro.

TMK Group: Kambani huru mukugadzira mapaipi esimbi muRussia, ine chinzvimbo chakakoshawo mumusika weUS.

Nippon Steel: Kambani yesimbi yekuJapan, zvigadzirwa zvayo zvinofukidza zvikamu zvakawanda zvemaindasitiri, inozivikanwa nehunyanzvi hwayo hwepamusoro uye mainjiniya ekugadzira zvinhu nemazvo.

Interpipe: Imwe yemakambani ane simba guru pasi rose anogadzira mapaipi asina musono, uye mutambi mukuru pamusika.

ArcelorMittal: Imwe yemakambani makuru ekugadzira simbi pasi rose, ichishandisa simba rayo guru rekugadzira simbi kuti ibudirire muhupfumi hwenyika.

JFE Steel: Imwe yemakambani anotungamira pasi rose mukugadzira mapaipi esimbi asina musono ane dhayamita hombe, imwe kambani huru yekugadzira simbi yekuJapan.

Tata Steel: Kambani yesimbi yepasi rose yeIndia ine zvigadzirwa zvinosangana nezvinodiwa zvepasi rose.

ChelPipe Group & OMK: Kambani yeRussia inotungamira mukugadzira mapaipi esimbi uye ine mukurumbira mumusika wepasi rose.

Jindal Saw: Mugadziri wemapaipi esimbi wekuIndia ane simba guru muchikamu chemapaipi esimbi asina musono pasi rose ane dhayamita hombe.

Borusan Mannesmann: Mugadziri wemapaipi esimbi wekuTurkey ari pamharadzano dzeEurope neAsia, ane simba guru mumusika wedunhu.

EVRAZ: Kambani yepasi rose yesimbi nemigodhi yakabatana zvakananga ine bhizinesi rinosanganisira kugadzira mapaipi esimbi.

Boka reEEW: Mugadziri wekuGermany anonyanya kugadzira mapaipi esimbi ane dhayamita hombe, anozivikanwa nezvigadzirwa zvake zvemhando yepamusoro uye zvakanyatsonaka.

Severstal: Imwe yemakambani makuru esimbi akabatanidzwa muRussia, ine chinzvimbo chakakosha mumisika yeRussia neyepasi rose.

Kingland & Pipeline Technologies: Nyanzvi inozivikanwa pasi rose muindasitiri yemapombi esimbi asina musono ane dhayamita hombe.

Pamusoro pezvo, Russia inewo PAO TMK (mari inowanikwa pamusika inosvika US$1.83 bhiriyoni), iyo inowanzova sangano rimwe chete kana kuti ine hukama hwakanyanya neboka reTMK rataurwa pamusoro apa; ese ari maviri makuru muindasitiri yekugadzira mapaipi esimbi yeRussia.

Makwikwi Makuru Epasi Rose
Zvichienderana nesimba ravo rose uye chinzvimbo chavo muindasitiri, makambani aya anogona kukamurwa kuita zvikamu zvinotevera:
Tier 1 (Vatungamiriri Vepasirose): Tenaris, Vallourec, TMK Group, CITIC Special Steel. Makambani mana aya ane simba guru pasi rose, zvigadzirwa zvakawanda, uye kugona kukuru kwekugadzira, zvichiita kuti ave vatungamiriri vakakwana muindasitiri iyi.

Tier 2 (Vatungamiriri veDunhu/Tekinoroji): Nippon Steel, Interpipe, ArcelorMittal. Vane simba rakasimba uye mikana yekukwikwidzana munzvimbo dzakatarwa (dzakadai seJapan neEurope) kana minda chaiyo yetekinoroji (yakadai seNippon Steel yekugadzira yepamusoro).

Tier 3 (Vatambi Vakakosha Mumusika): JFE Steel, Tata Steel, ChelPipe, OMK, Jindal Saw, Borusan Mannesmann, nezvimwewo. Makambani aya anoita mabasa akakosha munyika dzavo kana muzvikamu zvezvigadzirwa (zvakadai seIndia, Russia, Turkey, mapaipi ane dhayamita hombe, uye mapaipi emapaipi), uye isimba risingakoshi muketani yekugovera yepasi rose.