Volzhsky Pipe Plant |
 | Certificate ISO 9001:2000 TUV CERT (De.) |
 | Certificate ISO 9001:2000 TUV CERT (Eng.) |
 | Certificate DIN EN ISO 14001:2005 (eng) |
 | Zertifikat DIN EN ISO 14001:2005 (de) |
 | AD - 2000 W 0.1 |
 | AD - 2000 W 0.2 |
 | Certificate API QR ISO 9001_2000 |
 | Ubereinstimmungsnachweis UHP DIN EN 10210-2 |
 | UNP 10210 - 2.1 |
 | UNP 10210 - 2.1 |
 | Certificate API 5L |
 | Certificate API 5CT |
 | Certificate AD-2000 Merkblatt |
 | Certificate TUV DIN EN 729-2 |
 | Certificate TUV NORD 97/23/EG |
 | Certificate UHP |
Sinarsky Pipe Works |
 | IQNet certificate ISO 9001 |
 | IQNet certificate ISO 14001 |
 | QMI certificate ISO 9001 |
 | QMI certificate ISO 14001 |
 | QMI certificate OHSAS 18001 |
 | Conformance Certificate AD 2000 Merkblatt WO/TRD 100 (De) |
 | Conformance Certificate 97/23/EG |
 | Conformance Certificate 97/23/EG (De) |
 | Certificate of Authority to Use the Official API Monogram. License Numbers: 5D-0056 |
 | Certificate of Authority to Use the Official API Monogram. License Numbers: 5L-0330 |
 | Certificate of Authority to Use the Official API Monogram. License Numbers: 5CT-0427 |
Seversky Tube Works |
 | Certificate of Authority to Use the Official Monogram. License Numbers: 5CT-0351 |
 | Certificate of Authority to Use the Official Monogram. License Numbers: 5L-0271 |
 | BVQI Certificate ISO 14001 |
 | BVQI Certificate ISO 9001 |
 | BVQI Certificate OHSAS 18001 |
Taganrog Metallurgical Works |
 | Certificate of Registration OHSAS 18001 QMI (Eng) |
 | Certificate Fe 510C Italy |
 | Registration Certificate for Quality Management System (QCB-Canada) |
 | QMI Сertificate ISO 14001 |
 | IQNet certificate ISO 14001 |
 | Certificate of Conformance for Steel Zinc-Coated Pipe to DIN EN 10240, DIN EN 10255 |
 | Certificate DIN-DVGW NW-7101AT2398 - EN 10240 DIN EN 10255 |
 | Certificate DIN-DVGW NW-7101AT2399 - EN 10240 DIN EN 10255 |
 | Certificate of Authority to use the Official API Monogram License Number 5CT-0423 |
 | Certificate of Authority to use the Official API Monogram License Number 5D-0054 |
 | Certificate of Authority to use the Official API Monogram License Number 5L-0327 |
 | Certificate of Material Manufacturer Assessment AD 2000 – Merkblatt W0 / TRD 100 Directive 97/23/EC for Proper Material Fabrication and Testing |
Orsky Machine Building Plant |
 | TYPE-EXAMINATION CERTIFICATE ISO 11439-BVMOS-IDD_001-2004 |
 | Certificate of Authority to use the Official API Monogram. License Number 7-0427 |
 | Certificate of Registration API Q1 APIQR |
 | Certificate of Registration ISO 9001-2000 APIQR |