| John Cockerill | |
| Formerly | Cockerill Maintenance & Ingénierie |
| Company type | Private |
| Industry | Engineering |
| Predecessor | Part of Cockerill-Sambre |
| Founded | 2002 |
| Headquarters | , Belgium |
| Revenue | 660,000,000 United States dollar (2015)  |
| Website | johncockerill |
John Cockerill, formerly Cockerill Maintenance & Ingénierie (CMI),[1] is a mechanical engineering group headquartered in Seraing, Belgium. It produces machinery for steel plants, industrial heat recovery equipment and boilers, as well as shunting locomotives and military equipment.