about us

Marine Oil & Gas Technologies (MARIOGAS) Ltd., an offshoot of Frawma Services Ltd. is the leading and most respected Nigerian marine engineering company headquartered in the Oil and Gas/Industrial city of Port-Harcourt, Nigeria with over 20 years experience in overhauling and maintenance of all marine engines & equipment and training of highly qualified, competent and certified marine engineers & industrial technicians. Our aims are to:

  • Enable our clients procure, refurbish, maintain, and repair their marine engines and industrial equipment under a single consortium. This helps our clients to cut cost, plan and meet up their schedules and their chatterer’s demands.
  • Provide expert, competent and accredited training for marine engineers, oil and gas technical experts and industrial technicians.

Together with our parent company Frawma Services Ltd., we have earned an enviable reputation as the most competent and trusted marine engineering services company in Nigeria, having successfully completed over five hundred (500) overhauling and marine/industrial engines & equipment maintenance and repair projects totaling over 20,000 man-hours for numerous multinational clients in the Oil & Gas and Marine industries in Nigeria.

Our services include:

  • Overhauling and Maintenance of Marine/Industrial Engine and Equipment
  • Dry-docking of Vessels
  • Welding and Fabrication
  • Laser Alignment
  • Leasing of Marine/Industrial Equipment & Tools
  • Sandblasting
  • Construction of Barges and Tugboats
  • Dynamic Balancing
  • Procurement and Supply of Marine/Industrial Parts & Accessories
  • Training

We repair and maintain all types of diesel engines including CAT, GM, Cummins, EMD, Detroit Diesel, Yanmar, Wartsila, Niigata, Mak, Pouyoud, Deutz, Perkins, and Dorman. We know and understand diesel engines. We have been doing this for over 20 years.

Overhauling, maintaining and repairing marine/industrial engines & equipment, dry-docking of vessels, training marine engineers & industry technicians, sandblasting and all other aspects of Marine Engineering operations are areas where knowledge and experience really matter, so you know you will be in safe hands with MARIOGAS.

MARIOGAS is NIIMASA-accredited. We recognize that we work in a dynamic industry involving potentially hazardous equipment and operations such as welding, lifting, installing heavy equipment, building, cleaning etc. These activities demand the active implementation of comprehensive HSE policies to protect our employees and minimise the impact of our ecological footprint and we take our responsibilities with the utmost seriousness.

MARIOGAS firmly believes that our product and service quality, customer satisfaction and the success of our company are intimately connected. It is this belief that drives us to continuously seek to raise our standards to the benefit of both our customers and our reputation in the industry.
We are committed to complying with all applicable health, safety, environment and quality standards and protocols in our quest to provide quality services to our numerous clients.

Quality leadership is our utmost priority and every employee shares in the responsibility of realizing it. We hope meeting this goal will lead to continued satisfaction of our clients requiring accurate and reliable marine engineering services for cost-effective planning and decision making.



We are the leading and most respected Nigerian marine engineering company

Phone: +234 809 4545 884

Office: +234 813 0950 585

Location: KM 2 Eleme - Akpajo Expressway, Port Harcourt - Rivers State, Nigeria