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HHA Associates Sdn Bhd proudly offers a comprehensive array of services spanning the entire spectrum of the oil and gas industry, from upstream to downstream. With a steadfast focus on excellence, we specialize in project management, fabrication, and maintenance, delivering unparalleled expertise and quality to every endeavor.


  • Engineering, Procurement, Construction, Installation and Commissioning of Deck Extension and Up-Grading Project
  • Cargo Oil Tank and Pressure Demucking & Cleaning Services
  • Procurement, Construction & Commissioning of Skid, Module and Piping
  • Procurement, Construction & Commissioning Redevelopment, and Infill Drilling
  • Heat Exchanger, Pressure Vessel, and Utility Tank Maintenance Services
  • Demolition and Installation of Skid, Mechanical Module and Associate Piping
  • Demolition and Installation of Exhaust Stack
  • Offshore Crane Boom Replacement
  • Procurement, Fabrication and Hook-Up Commissioning of GRE/GRVE piping package
  • Fabrication Engineering of Exhaust Expansion Bellow for Turbo Generator and offshore installation
  • Fabrication Engineering of Conductor & Anode Clamp and Subsea Installation Project
  • Offshore Platform Facilities Maintenance & Modification Work Services
  • Offshore Static Maintenance & PSV Services and Revalidation
  • Offshore Minor and Major Painting Campaign, Riser, Haul and Platform
  • Offshore Platforms Minor & Major Turnaround
  • Offshore Platform Facilities Upgrading Project


  • Project Management Team and Implementation
  • Fabrication Engineering of Exhaust Expansion Bellow for Turbo Generator
  • EPCIC Skid and Module Package
  • Piping and Structural Fabrication
  • Onshore Plant Up-Grading Project
  • Onshore Plant Maintenance and Turnaround