Engineering & Contracting


Mechanical Construction
  • Fabrication of steel structures according to ASTM & International standards as required by the end users.
  • Erection of heavy and lightweight steel structures using mechanical lifting facilities.
  • Roof and wall cladding using standard & sandwich panels as per international standards.
  • Preparation of shop drawings.
Civil Construction
  • Executing site development set outing and layout, surveying, and leveling.
  • Construction of concrete structures and concrete paving for industrial plant amenities.
  • Construction of multistoried and residential buildings including finishing and furnishing.
  • Preparation of technical procedure for the works to be under taken.
  • Preparation of QC Dossier and As-built drawings for submittal
Electrical Construction
  • Laying high tension and low tension cables through both underground and above ground facilities.
  • Fabrication and erection of cable trays.
  • Installation of lighting and power supply system including power generator.
  • Installation of Grounding and Lightening protection system.
  • Erection of panel boards and other electrical equipment.
  • Termination of cables including splicing and gliding.

Fabrication & Erection

ALLIED GROUP has Fabrication and Erection Facilities in Al-Jubail with vast area of 20,000 sq m with all amenities and facilities. These facilities bring many of the latest "International" technologies to Saudi Arabia. The Fabrication area contains highly skilled craftsmen qualified to utilize multiple welding procedures that partially assemble the cut pieces of piping with the pipe fittings into sub-assemblies which are then sent to "weld out' areas for final welding.


The welding area is fully equipped with computer operated welding machines, rotating head stock welding equipment and conventional welding equipment.

Steel Structure

All kinds of heavy, medium and light steel structures for plants, building and warehouse are fabricated and supplied form our facility in Al-Jubail. Ducts, Stacks, Chutes & Chimneys, our product range includes ducts, transition pieces, chimneys, chutes, stacks, Y-pieces, Elbows and other duct fittings.

Plant Erection Facilities

ALLIED GROUP specialized in erection and alignment of plant machineries, vessel and tower related to the Oil, Gas & Petrochemical Industries. ALLIED GROUP is master in fabrication of Pressure Vessels, Storage Tanks, Pipe Spools, Steel Structures and Pipe racks.