| Позиция | Домен | URL | Title | Школа |
|---|---|---|---|---|
| 1 | rina.org | https://www.rina.org/en/cswip-welding-inspector-31 | CSWIP | — |
| 2 | cwbgroup.org | https://www.cwbgroup.org/education/courses/welding-inspector-level-1-online | — | |
| 3 | stormtraining.ru | https://www.stormtraining.ru/pages-257.html | Подготовка моряков в Москве, | — |
| 4 | udemy.com | https://www.udemy.com/course/online-training-on-welding-inspector/ | Online Training on | udemy.com |
| 5 | stormtraining.ru | https://www.stormtraining.ru/pages-256.html | Подготовка моряков в Москве, | — |
| 6 | cwbgroup.org | https://www.cwbgroup.org/education/courses/welding-inspector-level-3 | — | |
| 7 | udemy.com | https://www.udemy.com/course/certified-welding-inspector-r/ | Certified | udemy.com |
| 8 | sicerts.com | https://www.sicerts.com/icc-structural-welding | ICC Structural | — |
| 9 | stormtraining.ru | https://www.stormtraining.ru/pages-255.html | Подготовка моряков в Москве, | — |
| 10 | ruswt.ru | https://ruswt.ru/ | Обучение и повышение квалификации сварщиков в Москве и РФ | — |