





Assessments
We Keep Your Operations Running - Clean, Safe, and Efficient
Olej Services Limited is Nigeria’s trusted partner for high-performance industrial maintenance. We help energy companies across the country reduce downtime, increase efficiency, and secure safety of life and assets. From automated tank cleaning to precision heat exchanger maintenance and pipeline flushing, our services are designed to meet the demands of modern oil and gas operations.
Integrity Always
Best Quality Service



Services
Our Specialized Service Offerings
Automated Non-Man Entry Tank Cleaning
Heat Exchanger & Boiler Tube Maintenance
Pipeline and Process System Services





Why Top Operators Choose Olej
We are committed to delivering excellence, ensuring reliable results and long-term client satisfaction.


We Are Engineering Reliability, Every Step of the Way
Whether you’re managing a critical shutdown, planning preventive maintenance, or commissioning a new facility, Olej Services helps you operate smarter, safer, and cleaner.
We combine world-class expertise with deep local insight to keep your systems performing at their best.