| Company | Services | 
|---|---|
| Abdon Callais Offshore Nigeria Limited | Overhauled and repairs of various marine engines, including V12 Electro-Motive Division (EMD), V8 and 6 in-line 71 series Detroit Diesel Engine. Repairs of engine blowers, injectors and refurbishing of cylinder head and pump. | 
| Craft Offshore International Limited | Repairs/overhauled main engines and generators onboard their vessel both offshore and ashore (at the jetties). | 
| Elshcon Nigeria Limited | Major overhauled on QSM11 Cummins engine onboard Mv enl superior. | 
| Watergate Technical Service Limited | Maintenance and repairs of their main engines, fire pump and generators onboard Mv Marilyn M. | 
| Homeland Integrated Offshore Limited | Overhauling and repairs of marine engines. | 
| Tracon Service Limited | Overhauled V12, 71series Detroit Diesel Engine onboard their vessel | 
| Bush Marine | Repair/major overhauled on 149 V12 Detroit Diesel Engine onboard Mv Gracale Secondo. | 
| Siena Marine | Repaired Cummins K-38, repair/overhauled, Cummins KT-19 onborad their vessels both offshore and ashore (at the jetties). | 
| Kentucky oil Nigeria ltd | Overhauled and repaired of D398 caterpillar main engines onboard SIS Princess | 

