“Strategic Direction”JJL’s vision is to be a trusted partner for Engineering, Procurement, Project Management and Training Services in the energy sector of the economy.

Core Principles: HSE, Value & Vision

The Vision of JJL is to be a trusted service provider of Engineering, Construction, Procurement, Fabric Maintenance, Conditioned Based Monitoring, Facility Management/Maintenance and Training Services to the Oil and Gas, Power, Petrochemical, and other industrial establishment in Nigeria and West Africa Sub-region. Our values are Quality and Timely Delivery, HSE Mindset, Customer Drive, Staff Capacity Building, Open and Direct Dialogue. These values are the foundation of our business disposition and corporate responsibility.

Download Profile

The Sonophone is an ultrosonic preventive maintenance and condition based monitoring solution technology developed by SONOTEC Germany. the SONOPHONE is introduced to Nigeria and Africa at large through JJL. This is a digital ultrasonic testing device that combines novel sensors…


ASSET INTEGRITY ENGINEERING  Asset Integrity engineering  JOC & JOC LTD (JJL) partners with its customers to offer an industry-leading performance in asset integrity and sustainability. We secure confidence in the high uptime of production assets, without compromising industry best practices…


Onsite Machining Cutting Technology Tube Profile Cutting Technology JOC & JOC LTD (JJL) tube profile cutting technology enables cold work tube cutting on most sizes, schedules or material of cylindrical pipe. The machines are portable, a technologically advanced product of H…

Welcome To JOC & JOC LTD

JJL was registered in Nigeria since February 1993 as general services company with initial bias in Civil Engineering works. It carried out many building rehabilitation works from then until 1996 when it had its first break into the Petroleum sector through an incinerator rehabilitation contract for Shell. JJL's full range of Integrated Inspection and Asset Integrity Management (AIM) services with operations in the Oil & Gas, Petrochemical, Infrastructure, Power Sector, etc has continued to develop and maintain leading edge technology in its services.

About Us

Bolt Tightening Lagos Onsite bolt tightening & flange management  JOC & JOC LTD (JJL) assists clients in achieving their business objective of a safe and leak free work environment by providing appropriate flange management and control techniques. The integrity of…


  Post Weld Heat Treatment Service  Post Weld Heat Treatment Service requirements are now more demanding than ever. This calls for consistently reliable, quality equipment and consumables, which the customer can be confident in using, every time. JOC & JOC…


Ultra High Pressure Water Jetting  JOC & JOC LTD (JJL) has a Cleaning division that provide a complete range of High Pressure and Ultra High Pressure Water Jetting services, using multi-disciplined teams which reduces manpower and increases flexibility onboard an…

Quality and Timely Services Guaranteed. Contact us or Partner with us for the Best NDT Inspection Services, Bolt Tightening and Torquing, On-site Machining (Cold cutting) and more..
Contact us Now