• ALHAJ GLOBAL Customers - We remain committed to provide excellent services to ensure that our customers’ operations are best accomplished in a competitive and challenging environment.
Mechanical Activities
  • Reciprocating engines (Diesel & Gas) Maintenance, Repair & Overhaul.
  • Compressors (Rotary & Reciprocating) Repair / Overhaul).
  • Welding Machines Maintenance, Repair & Overhaul.
  • Valve Repair / Test.
  • Safety Valves Overhaul / Calibration.
  • Pumps Repair / Test Bench.
  • Transformer Check and testing room 50 KV – 20 MV
  • Generator testing by dummy load
  • Cranes, Forklifts, Man lifters, Loaders, etc....
  • Hydraulic Systems.
  • Light & Heavy Vehicles / Fire Trucks.
  • Drilling equipments
Other Services
  • Oil and Gas Sector
  • Petrochemical Sector
  • Power & Industrial Sector
Electrical Activities
  • Repairing/rewinding/servicing of Medium & Large Capacity A.C. motors ( L.T/H.T),
  • Rewinding and repairs of all types of DC Motors and Servo Motors.
  • Rewinding and repairs of Alternators / Generators Medium & Large Capacity
  • Repairing and rewinding of transformers
  • Rewinding of Medium and Large type Magnetic Coils.
  • Circuit Breaker & Relays Test / Diagnostics / Calibrate.
  • Switch gear (Medium and Low voltage), Instrumentation, Calibration, Test & Certification.
  • Manufacturing of HT COILS for HT Motors.
  • Rewinding of all types of motor pump sets.
  • Re-building the Motors Transformer , Alternator
  • Electrical Testing for Motor, Transformer , Alternator ,
  • Spray painting
Turbine Maintenance Overhual
  • We provide the following services:
  • Procurement
  • Installation
  • Pre-commissioning
  • Commissioning, and startup
  • Preventive maintenance
  • Trouble shooting
  • Onsite and Workshop Balancing
  • Laser Alignment and Leveling
  • Vibration analysis
  • Major overhauling
  • Control system upgrade.
Service Frames
  • Long term maintenance Service contract
  • Services Agreement
  • On Call Technical Support
Global Maintenance
Our Global Maintenance Contracts set of targets that have to be reached, in terms of Availability, Reliability, Failure Frequency, Regularity, HSE objectives... etc, all requirements to achieve these targets are the company's responsibilities, which are not limited to:
  • Maintenance Portfolio Management.
  • Competent skilled Engineers and Technicians.
  • Maintenance Tools and Equipments.
  • Maintenance Material (e.g. Spare Parts, Consumed Material, and Fabricated Material, etc.).
  • Computerized Maintenance Management System (CMMS).
  • Overhauls and Turnarounds activities.
  • Supporting Services (Scaffolding, Lifting Operation, Insulation, Painting, NDT, Heavy Equipment, etc.).
  • Workshop Operation Activities.
  • Outsourced Specialized Services (Third Party, Vendor/Manufacturer Representatives, Subcontractors, etc.).


The Alhaj Global Maintenance services scope can be broaden to take account of the Maintenance Engineering stage, developing concepts, criteria, technical, and commercial requirements in conceptual and acquisition phases to assure effective maintenance support of assets.
In Global Maintenance; the company has managed maintenance activities so that client's important business objectives are materialized in an efficient approach, by compromising among all types of deployed maintenance such as:
  • Interval (Calendar/Operation Hours) Based Maintenance (Preventive Maintenance).
  • Reactive Maintenance (Corrective Maintenance).
  • Conditions Based Maintenance (Predictive Maintenance).
  • Proactive Maintenance.


The company adopts virtue modern techniques to maximizing the assets productivity. Predictive Maintenance for instant, is utilized by monitoring key equipment parameters through:
  • Vibration Measurement & Analysis.
  • Thermography and Temperature Analysis.
  • Oil analysis.
  • Noise analysis.
  • Pressure analysis.
  • Magnetic Flux Leakage.
  • Acoustic Emission.


Proactive Maintenance constitutes the leverage for rationalized Global Maintenance, proactive maintenance approaches are not limited to:
  • Reliability Centered Maintenance (RCM).
  • Risk Based Inspection (RBI).
  • Total productive maintenance (TPM).
  • Optimal system maintenance (OSM).
Rotating Equipment Offshore Maintenance
  • Rotating & Reciprocating Equipment services start from:
  • Rental Service
  • Procurement
  • Installation
  • Pre-commissioning
  • Commissioning
  • Startup
  • Overhauling
  • Reciprocating engines (Diesel & Gas) Maintenance, Repair & Overhaul.
  • Compressors (Rotary & Reciprocating) Repair / Overhaul).
  • Welding Machines Maintenance, Repair & Overhaul.
  • Safety Valves Overhaul / Calibration.
  • Pumps Repair / Test Bench.
  • Cranes, Forklifts, Man lifters, Loaders,.. .etc.
  • Hydraulic Systems.
  • Light & Heavy Vehicles / Fire Trucks.
Offshore Maintenance
The offshore maintenance activity is one of the most important maintenance field segments, the company is pursuing the existing and future offshore opportunities to stand out as a key service provider in this segment.
The company has developed a dedicated department for "Offshore Maintenance" to focus on all of its Maintenance & Modifications activities providing high quality and competent offshore global services.
  • Values /Benefits:
  • One Contractor.
  • Consolidated Services.
  • Overall Management & Planning of Resources, Time and Cost Optimization.
  • Local Resources.
  • Complete Asset Data Management Solutions.

Alhaj Factory (HIFAC)

  • #Sixty highway street near Ali Mohsen Market ,sanaa, Yemen.
  • Office: +9671212512
  • P.O Box: 2480
  • E-mail: workshop@alhajepc.com
  • Website: www.alhajepc.com.