- “Halliburton Intern.” Inc , (Great Britain)
- Engineering Company “INKOR” Moscow
- Joint Venture "MINIOIL", Moscow
- JSC "Chernogorneft", Nizhnevartovsk
- JSC "TNK"
- JSC "TomskNIPIneft VNK", Tomsk
- JSC "Trest-Koksochimmontazh", Moscow
- JSC “Ecodest-O”, Orenburg
- JSC “LUKOIL-Astrakhanneft”, Astrakhan
- JSC “TomskNIPIneft” VNK Tomsk
- KOKh-GLITCh a.s., Check Republick
- Novosibirsk Branch , of OAO "VNIPIgasdobycha", Novosibirsk
- OAO "ANK Bashneft", Ufa
- OAO "Delta", Tomsk
- OAO "Tomskgazneftpererabotka", Tomsk
- OAO "Tomskgazstroy", Tomsk
- OAO "Tomskneft VNK" , Tomsk
- OAO "Tomskoblgaz" , Tomsk
- OAO "Vostokgazprom", Tomsk
- OMNI Engineered Products, Inc. (USA)
- PO "Kirghizneft", Kochkor-Ata, Êirghizia
- PO “Sevmashpredpryatie”, Severodvinsk
- TASUR NII AEM, Tomsk
- Tojo Engineering Corporation, Japan
- VNIIGAS, Moscow
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