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
  • Underwater Services

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.

Underwater Services

Expert underwater inspection, hull cleaning, and specialized subsea repairs to maintain vessel performance.

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

Marine & Offshore Solutions today

Comprehensive mechanical and onboard repair services for marine vessels and offshore units. Our highly skilled engineers ensure efficient, reliable, and safe operations with 24/7 support.

  • • Main engine overhauling (2 & 4-stroke)
  • • Auxiliary engine overhauling
  • • Engine troubleshooting & optimization
  • • Cylinder head & Piston inspection/replacement
  • • Crankshaft & Connecting rod alignment
  • • Bearing inspection and renewal
  • • Dry dock mechanical repair supervision
  • • Riding squad and voyage repair services

Reliable hydraulic repair and maintenance for marine and offshore units. Skilled technicians deliver efficient solutions onsite and in our fully equipped workshops.

  • • Hydraulic power pack (HPU) overhauling
  • • System troubleshooting & diagnosis
  • • Pressure testing & performance verification
  • • Hydraulic oil flushing & decontamination
  • • Hydraulic pump overhauling (piston, vane, gear)
  • • Motor and Cylinder inspection & repair
  • • System commissioning and recommissioning

Specialized onsite machining including torquing, tensioning, line boring, and milling. Precision repairs done on time, even in the most demanding environments.

  • • In-situ machining of engine components
  • • Line boring of bearings & housings
  • • Crankshaft journal machining & polishing
  • • In-situ milling, drilling, and tapping
  • • Flange facing & Stern tube machining
  • • Tail shaft & Coupling face alignment
  • • Pipe Cutting & end preparation

Expert underwater inspection for ships, offshore units, and subsea structures. Certified divers and ROV operators provide precise, class-approved condition assessments.

  • • Hull & Structural visual assessment
  • • Propulsion & Steering system inspection
  • • Sea Chests, Intakes, and Valve cleaning
  • • Offshore platform & Pipeline assessment
  • • Class surveys (UWILD) with video reporting
  • • Emergency damage & grounding assessment
  • • Thickness gauging & NDT support

what we do

Power Solutions & Service today

Comprehensive AMC solutions for power generators, ensuring reliable and uninterrupted performance. Our highly qualified team delivers timely solutions tailored to your operational needs.

Expert repair services for power generators available 24/7. We provide round-the-clock support for emergency repairs to maximize equipment uptime and efficiency.

Scheduled inspections and maintenance activities designed to identify and resolve issues before they cause downtime, ensuring long-term hardware reliability.

Our expert team is always on call to provide technical consultancy and immediate assistance for any power-related operational requirements.

what we do

Rental Solutions today

  • • Nitrogen Vaporizer
  • • Industrial Steam Boiler
  • • Heat Exchanger

  • • Pipe Cutting Machine
  • • Hydro Jetting Machine (20k PSI)

  • • Generator (up to 750 KVA)
  • • Centrifugal pump (100 M3 to 500M3)

  • • Bundle Puller (40 Ton)

what we do

HVAC & cooling excellence today

Design and installation of high-efficiency HVAC systems specifically engineered for the harsh marine and offshore environment.

Comprehensive maintenance and repair for industrial chiller plants, ensuring optimal cooling capacity for large-scale operations.

Precision engineering of ventilation ductwork and air filtration systems to maintain safe and healthy indoor air quality.

24/7 technical support and rapid repair services for all HVAC systems, minimizing operational disruption.

our process

Streamlined marine service delivery process

Our process is designed to maximize efficiency and quality at every stage of marine, power, and industrial 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 specific technical service requirements with expert advice from experienced staff.

02

planning & preparation

Our team develops comprehensive service plans tailored to your specific technical repair and maintenance needs.

03

execution & delivery

We execute the project with the highest level of professionalism, delivering quality technical solutions on time.

latest blog

Insights from our latest blogs

Stay updated with the latest trends, innovations, and expert insights in the manufacturing and industrial sectors