Our Business

Oil & Gas

  • Fabrication of Umbilical Frame Rack for LD TravOcean
  • Fabrication and supply of 50 nos. drum holders for ADOC JAPAN (ADNOC Group)
  • Sinker and Buoys for Abu Dhabi Ports Operating Company PJSC (Abu Dhabi Terminals)
  • Fabrication of Boat Landing Fenders (10 Units) for WHTs-US-4 to US-10 (Project # EU108) for GOGAS (ADMA-OPCO Project)
  • Long Term Storage & Shipping containers for GASCO (ADNOC Group)
  • Detailed Engineering, Fabrication & Assembly of structural steel works (Stick Built) for PETROFAC UZ750 Project
  • Design, Procurement, Fabrication, Installation and handing over of Containerised Substation Package (Power Supply Skid Packages Ehouses) for Schneider / ZADCO
  • Design and build of the helipad on main roof structure at ADNOC Headquarters
  • Design, Procurement and Supply of Vertical Stainless Steel Chemical Storage Vessels for Al Mansoori Production Services
  • Mechanical Design, Procurement, Fabrication and Supply of Carbon Steel Pressure Vessels for Al Mansoori Production Services

Our Oil & Gas Division specializes in a diverse range of services which covers the Oil & Gas industry operating both Onshore and Offshore.  It maintains a dedicated, fully qualified design team covering both structural steel works, piping work and pressure vessels. As per industry standards and requirements, the Oil & Gas Division carries all relevant international standards such as ASME stamps and API certification.


The Oil & Gas Division offers current and future clients modern up to date facilities incorporating the newest machines and technologies within the industry, in five specifically built covered workshops for machining, pressure vessels and pipe work. In addition to the workshops, it has a build area of approximately 40,000 sq. mtrs. which incorporates two 50 ton, 25 meter high gantry cranes for the building of large structures such as Jackets, Platforms, Topsides, Process Skids, Modules, etc.


ASMEF Oil and Gas division offers a fully diversified range of services which covers the following:

  • Power Supply Skids (E-House)
    • Mechanical Design
    • HVAC Design
    • Architectural – 2 hour fire rated and 1 hour
  • fire rated
    • Fire & Gas Detection System
    • Electrical
  • Process Modules
  • Process Skid Packages
    • Chemical Injection Skid Package
    • Metering Skid Package
    • Produced Water Treatment Skid Package
    • Fuel Gas Conditioning Skid Package
    • Heater Treater Skid Package
    • Indirect Fired Heater Skid Package
    • 2 phase / 3 phase Separator Skid Package
    • Electrostatic De-Salter Skid Package
    • Slug Catcher Skid Package
    • Scrubber Skid Package
    • Surge Tank Skid Package
    • Knock Out Drum Skid Package
    • Filter Separator Skid Package
    • Drain Vessel Skid Package
  • Platform and Topsides
  • Jackets
  • Steel works – all kinds
  • Piping Pre-fabrication
  • o Boilers and Pressure Vessels as per ASME Section    Div. 1 & 2
    • Shell and Tube Heat Exchanger
    • Columns
    • Reactors
    • Pressure Vessels, etc.
  • Storage Tanks and Tank Farm Construction
    • API Tanks
    • Above Ground Cylindrical Storage Tank
    • Bullet Tank
  • Power Plant / Refinery Shut Down Jobs
  • Onshore & Offshore Modules and Hookups
  • Electrical Power Plant Motor Refurbishment

Ship Building and Ship Repair

  • Conversion and Retrofit of Supply Vessel to Well Stimulation Vessel for Emirates Western Oil Well Drilling & Maintenance Co.
  • Refurbishment of two barges for Miclyn Express Offshore
  • Long term maintenance contract for Department of Transport (DOT)
  • New-Build Cable Laying Vessel
  • New-Build - Noor 1 and Noor 2 Harbor Tugs
  • New-Build - two cargo barges for Petrofac
  • New-Build - two 23 meter aluminium crew boats for Bujsaim Group

Ship Building and Conversion:

Our Ship New Build Division offers a range of interdisciplinary services for its new build projects such as Naval Architecture, Marine Engineering and Project Engineering and Management.  Over the years the new build division has carried out numerous design new build and also undertaken major conversions and has shown a high competence in building vessels from barges to sophisticated DP vessels.


The ship building area covers approximately 50,000 sq. mtrs. of building space which incorporates steel fabrication workshops, fully equipped modern machine shop and pipe shop, panel lines, heavy plate bending shop, block building and block assembly areas.


  • Full range of vessels from general cargo to Platform Supply Vessels (PSV) and DP vessels
  • All type of barges covering loading barges, flat top barges, split barges special design barges used for the offshore industry
  • Full support of machinery installation covering the main and auxiliary machineries and all equipment on board vessels

Ship Repair:

Ship Repair Division operates in diversified facilities both onshore and offshore offering our clients a quick turn- around for increasingly competitive shipping market where Quality and Safety are highest priority. Dedicated and experienced engineers with strong technical team are the strength of our repair division. Over the years it had retained an envious reputation of having many long term and repeat contracts with renowned shipping companies.


The division has the following facilities to offer:

  • 350 mtrs. of concrete jetty space with a load out of 40 tons/sq. mtrs.
  • Access to a ship repair landing area of approximately 30,000 sq. mtrs.
  • Floating dock with 6500 ton lifting capacity with 10 ton SWL pedestal jib cranes
  • Berthing water depth of up to 9 mtrs.
  • Fully equipped workshop for Mechanical, Piping and Electrical repairs


  • Design Engineering
  • Naval Architecture
  • Machinery Services(Propeller Shaft & Engine Maintenance)
  • Pump & Machine overhauling
  • Complete Steel / Pipe renewal
  • Electrical and Switch Board repairs

Rigs Jack Up Repair & Upgrade

  • DELTA 22
  • AOS MAINTAINER I Partially built in China, completion to be done in Ali & Sons Marine Engineering Factory (ASMEF) yard

With a proven track record of quality projects Ali & Sons Marine has rapidly gained a reputation as a reliable and professional rig repair facility for both the local and international market.


The division has the following facilities to offer, a concrete jetty space with cranes up to 250 ton SWL incorporating a load out requirement of  40 tons/sq. mtrs., a block building and leg erection area of approximately 30,000 sq. mtrs., 40 000 sq. mtrs. of covered fabrication shops and a block assembly rig build area of 30,000 sq. mtrs. and a fully equipped workshop dedicated to jacking system and drilling equipment.


  • Both in house and approved third party Engineering
  • Jack Up Rig Refurbishments and Modifications
  • Jack Up Accommodation units and Modifications
  • Installation and Refurbishment of Machinery

One Stop Shop

The one stop shop aims to serving all businesses within the ASMEF yard.

It offers repairs, refurbishment, installation, commissioning, calibration, NDT and other services needed for our clients, hence reducing cost and duration of projects. The one stop shop consists of mechanical, machine, electrical and instrumentation workshops in addition to OEM certified workshop.

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Get In Touch

Ready to start your next project with us? That's great! Give us a call or send us an email and we will get back to you as soon as possible!

+971 2 551 2432 asme@ali-sons.com

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