Engineering Excellence.
Built on Experience.
A multidisciplinary engineering firm delivering innovative solutions and quality projects to the oil and gas industry in Nigeria and the West African sub-region.
[Year — to confirm]
Engineering
Professionals
& Integrity
Engineering expertise developed over decades.
Chris and Sons International Limited (CASIL) is a multidisciplinary engineering firm serving the oil and gas industry. Our team combines technical expertise with hands-on field experience to deliver engineering, procurement, construction, and commissioning solutions that meet client specifications and industry standards.
We bring a disciplined approach to project execution, grounded in safety, quality, and integrity at every stage of delivery.
Learn MoreOur Core Services
Pipeline / Flow-Line Construction
Construction of pipelines and flow-lines to the highest industry standards.
Learn More →Facility Upgrades & Installations
Upgrading and installation of facilities with safety and performance in focus.
Learn More →Surface Tank Construction & Rehab
Construction and rehabilitation of surface storage tanks.
Learn More →Fire Fighting Equipment Installations
Installation of fixed fire-fighting systems and equipment.
Learn More →Project Commissioning
Testing, pre-commissioning, and commissioning for seamless operations.
Learn More →Featured Projects
Oguta W13T Flow-Line Replacement
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Fire and Gas Project — Design & Installation
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4" Sch. 40 Line Replacement — 8km, Well 48 L/S
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Natural Gas Processing Plant Design
View Project →Safety. Quality. Responsibility.
Our safety and quality management culture ensures every project is executed safely, responsibly, and to the highest industry standards.
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Safety and quality, built into every project.
Quality Management
Our quality management approach is built around structured process control — hazard and effect management, job hazard analysis, inspection and reporting, and continuous improvement — applied consistently across every stage of project execution.
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