GNJ Engineering Ltd. is a trusted Nigerian multi-service company providing specialized solutions in facility management, corrosion control, tank cleaning and calibration, plumbing and installation, supply and procurement, civil works, and general contracts. We serve industrial, agricultural, and infrastructure sectors with reliable, high-quality services, combining technical expertise and integrity to deliver sustainable results.

Our Services 

Facility Management – Comprehensive building maintenance, infrastructure services, and utility support.
Corrosion Control – Protective solutions to extend the lifespan and performance of assets.
Tank Cleaning & Calibration – Professional cleaning and accurate volumetric calibration for safe operations.
Plumbing & Installation – Reliable plumbing systems and mechanical installations.
Supply & Procurement – Sourcing and delivering quality materials and equipment.
Civil Works & General Contracts – Construction, repairs, and project execution across sectors.

 

 

CONTACT US

Address: Plot 3 Ave.4, Greenland Estate, Port Harcourt, Rivers State, Nigeria.

Phone: +23806272-6564  

Email:   info@gnjengineering.com

             sales@gnjengineering.com