welcome to CALEX GROUP

Marine & Offshore Solutions Excellence

We are a multidisciplinary industrial contractor serving in 5 countries around the world, providing the best solutions to the Marine and Offshore Industry with high quality services.

25+

years of experience

about us

CALEX GROUP Marine & Offshore Excellence

Calex Group has aspired to offer the best solution to the Marine and Offshore Industry, when it comes to meet high quality services. From SHIP REPAIR to DRY DOCKING, we cover all the major services in marine sector. Our clients enjoy expert advice from experienced staff, efficient customer service and practical solutions to technical repair needs.

  • Ship Repair & Dry Docking
  • Industrial Cleaning
  • Hydro Jetting & Milling

Ship Repair & Dry Docking

End-to-end dry docking, hull repair, and mechanical overhauls to keep your vessels seaworthy and on schedule.

Industrial Cleaning Services

Specialised cleaning for tanks, heat exchangers, pipelines and critical equipment in marine and offshore plants.

Hydro Jetting & Milling

High-pressure hydro jetting and precision milling solutions for scale removal, surface prep and pipe rehabilitation.

our story

Transforming marine sector with professional excellence

As a multidisciplinary industrial contractor, we specialize in providing the best solutions to the Marine and Offshore Industry. Our expert staff delivers efficient customer service and practical solutions to technical repair needs, achieving the highest level of professionalism in every service and project we deliver.

what we do

Mechanical Repair Services (Marine)

We deliver comprehensive mechanical and onboard repair services for marine vessels and offshore units. Our highly skilled engineers ensure safe, efficient, and reliable operations onboard and in dry dock—minimizing downtime and maximizing performance.

Mechanical & Onboard Repair Services

Main Engine Overhauling

Complete overhauling of 2-stroke and 4-stroke main engines to ensure optimal performance and operational safety.

Auxiliary Engine Overhauling

Inspection, repair, and reconditioning of auxiliary engines to support uninterrupted onboard power systems.

Engine Performance Optimization

Advanced troubleshooting and fine-tuning to improve efficiency, reduce wear, and extend engine life.

Cylinder Head & Piston Works

Cylinder head overhauling and inspection or replacement of pistons, rings, and liners.

Crankshaft Inspection & Alignment

Crankshaft inspection, polishing, and precision alignment for long-term reliability.

Connecting Rod Calibration

Inspection, calibration, and alignment of connecting rods to ensure mechanical integrity.

Bearing Inspection & Renewal

Inspection and renewal of main and crankpin bearings to prevent premature failures.

Technical Consultancy

Dedicated technical support and consultancy for mechanical repairs and operational improvements.

Dry Dock & Onboard Support

Dry Dock Repair Supervision

Complete supervision of mechanical repair activities during dry docking.

Emergency Breakdown Repairs

Rapid-response repair services for unplanned mechanical breakdowns.

Riding Squad & Voyage Repairs

Experienced riding squads available worldwide for voyage repair services.

Planned Maintenance Support

Planned maintenance assistance to reduce failures and extend asset life.

Hydraulic Marine Repair Services

Reliable hydraulic repair and maintenance services for marine vessels, offshore units, and industrial facilities, delivered onsite or in fully equipped workshops.

Hydraulic Power Pack (HPU)

Inspection, repair, and overhauling of hydraulic power packs.

Hydraulic System Troubleshooting

Fault diagnosis, pressure testing, and performance verification.

Oil Flushing & Contamination Control

Hydraulic oil flushing and contamination control for system reliability.

Pumps, Motors & Cylinders

Overhauling of hydraulic pumps, motors, and cylinder inspection with seal replacement.

In-Situ Machining Services

In-Situ Engine Machining

Onsite machining of engine components with high precision.

Line Boring & Crankcase Machining

Line boring of main bearings and crankcase housings.

Flange & Shaft Machining

Flange facing, shaft machining, and alignment correction.

Pipe Cutting & End Preparation

Precision cutting and end preparation for pipes and heat exchangers.

what we do

Power Solutions

We offer comprehensive Annual Maintenance Contracts (AMC) and expert repair services for power generators, ensuring reliable and uninterrupted performance. Our highly qualified team delivers timely solutions tailored to your operational needs.

With 24/7 availability, we provide round-the-clock support for preventive maintenance, emergency repairs, and AMC activities—helping you maximize equipment uptime and operational efficiency.

Annual Maintenance & Repair Services for Power Generators

Annual Maintenance Contracts (AMC)

Comprehensive AMC solutions covering routine inspections, servicing, and performance monitoring for power generators.

Preventive Maintenance

Scheduled preventive maintenance to reduce breakdown risks and ensure consistent generator performance.

Generator Repair Services

Expert troubleshooting and repair services for electrical and mechanical generator components.

Emergency Breakdown Support

24/7 rapid-response support to restore power during unexpected generator failures.

Load Testing & Performance Checks

Comprehensive load testing and system performance verification to ensure generator reliability.

Fuel System Inspection

Inspection and servicing of fuel systems to improve efficiency and prevent operational issues.

Control Panel & Electrical Systems

Diagnosis, repair, and maintenance of generator control panels and electrical systems.

Operational Consultancy & Support

Technical consultancy to optimize generator usage, reduce operating costs, and extend equipment life.

what we do

Rental Solutions

We provide reliable and flexible industrial equipment rental services to support projects efficiently and cost-effectively. Our fleet consists of high-quality machinery and tools maintained to the highest standards, ensuring peak performance and safety on every job.

Whether for construction, manufacturing, heavy engineering, or offshore operations, we ensure the right equipment is delivered on time and ready to perform—helping you meet deadlines and optimize productivity.

Industrial Equipment Rental Solutions

Nitrogen Vaporizer

High-performance nitrogen vaporizers suitable for industrial, offshore, and maintenance operations.

Pipe Cutting Machine

Precision pipe cutting machines designed for safe and efficient cutting applications.

Bundle Puller (40 Ton)

Heavy-duty bundle puller with 40-ton capacity for heat exchanger and industrial maintenance works.

Industrial Steam Boiler

Reliable industrial steam boilers available for short-term and long-term rental needs.

Heat Exchanger

Industrial heat exchangers provided for maintenance, replacement, and temporary operational support.

Generator up to 750 KVA

High-capacity generators up to 750 KVA to support power requirements across industries.

Centrifugal Pump (100–500 m³)

Centrifugal pumps ranging from 100 m³ to 500 m³ capacity for fluid handling operations.

Hydro Jetting Machine (20k PSI)

High-pressure hydro jetting machines rated at 20,000 PSI for industrial cleaning and maintenance.

our process

Streamlined marine service delivery process

Our process is designed to maximize efficiency and quality at every stage of marine and offshore operations. We ensure seamless workflows from initial assessment to project completion with expert staff and practical solutions.

01

assessment & consultation

We begin by thoroughly assessing your marine service requirements with expert advice from experienced staff.

02

planning & preparation

Our team develops comprehensive service plans tailored to your vessel's specific technical repair needs.

03

execution & delivery

We execute the project with the highest level of professionalism, delivering quality marine services on time.

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