| Onye nyocha Aramco | QM01/QM02/QM03/QM04/QM05/QM06/QM07/QM08/QM09/QM12/QM14/QM15/QM30/QM31/QM35/QM41 |
| Onye nyocha mkpuchi mkpuchi | Ọkwa NACE Ⅱ; NACE Ọkwa III; Ọkwa SSPC Ⅱ; SSPC Ọkwa III. |
| Onye nyocha API | API510/API 570/API 580/API653/API SIFE |
| Onye nyocha | API Q1 Auditor; Onye nyocha IRCA |
| Onye nyocha ịgbado ọkụ | CWI/SCWI/CSWIP3.1/CSWIP 3.2/IWI |
| Injinia ịgbado ọkụ | IWE |
| Onye nyocha NDT | ISO 9712 UT/MT/PT/RT/PAUT Ọkwa II / ọkwa III; ASNT UT/MT/PT/RT/PAUT Ọkwa II / ọkwa III; PCN UT/MT/PT/RT/PAUT Ọkwa II/ọkwa III. |
| Onye nyocha ikike ASME | AI |
| Asambodo ndị ọzọ | CompEx; ISO 9001 QMS onye nyocha; ISO14001 EMS onye nyocha |
