Welcome to O4, the Maintenance Engineering Service from OFS, the worldwide specialists in rotating equipment. O4 is designed to deliver a fully tailored solution for all your assets and is a combination of input from the Owner, the Operator, the OEM and the Maintenance Service Provider (OFS). This ensures specific, customised maintenance with fleet wide comparability.

Whether you’ve a greenfield site or an established operation, we can assist with all aspects of your maintenance engineering function. We work with oil and gas, power generation and energy companies across the globe.

Our process uses industry proven techniques such as RCM, FMECA and RCA, as appropriate for the installation or operation. The result is a management controlled maintenance service which brings together the key stakeholders.