Dedicated Teams & Professional Services

Our effective presence ensures the timeliness, cost efficiency and compliance adherence required to ensure your project timelines are met.


We offer a one-stop-shop solution for mechanical construction scope by providing fabrication and construction services within projects. We have over five decades of experience in delivering fabrication and construction services for the oil, gas, industrial and utility sectors. We have carried out projects of varying complexity including cross country pipelines, oilfield development projects, on-plot facility projects, downstream construction services and utility projects.

We have the ability to carry out fabrication and construction under greenfield, brownfield and shutdown environments. NAYA has the capability to fabricate using a variety of materials such as carbon steel, stainless steel, duplex, super duplex, alloy steel and exotic steel.

NAYA has long established itself as a leading Engineering company engaged in the field of Design & Manufacture of Shell & Tube Heat Exchangers, Air Cooled Heat Exchangers, Pressure Vessels, Storage Tanks, Plate Heat Exchangers, Cooling Towers, Finned Tubes and all sort of Piping and Structural Fabrication Works.

This equipment can be offered with ASME ‘U’ & ‘S’ Stamps for Design and Manufacture and with National Board ‘R’ Stamp for Repair & Alteration. Dolphin provides to the various clients in the Oil & Gas, Petrochemical, Chemical, and Food Processing & Refining Industries. Fabrication facilities include CNC drilling (for Header Drilling), Orbital Welding Machine (for Tube to Header Welding) & Microprocessor based Telescopic Expansion Machine (for Tube to Header Expansion) in addition to the regular machines like Plate Bending, TIG / ARC Welding, Grinding, Plasma Cutting etc. A full range of vertical and horizontally mounted heat exchangers.

Typical Components of Fabrication Include:

Steel Structure
Specialize in providing complete solutions for pre-engineered steel buildings, steel structures, steel components and so on.
Pipeline Fabrication
We have a strong record of pipes laid in many countries under the most difficult environmental and logistical conditions.
In our long history, NAYA has established key relationships with major pipe manufactures which can reduce costs for the owner.
Tank Fabrication
Every tank we build is a custom project, designed and fabricated to perform a specific function due to our clients needs.

Our Capabilities

  • Turnkey Project and Construction Management
  • Pipeline Construction (CS, SS, DSS, SDSS, GRE & Alloy Steel)
  • Flowline Construction & Well-head Hook-up
  • Equipment Installation
  • Tank Construction and Testing
  • Process & Utility Piping
  • Structural Erection
  • Lifting and Rigging
  • Surface Preparation & Coating Services
  • Scaffolding
  • Insulation Services
  • Electrical and Instrumentation Works
  • Testing and Pre-Commissioning
  • Commissioning and Start-up
  • Handover

Our Construction Services

Our construction services are delivered by a competent, multi-skilled and highly trained workforce, supervised by experienced project management teams. Our experience includes oil field construction services such as the construction of flowlines, pipelines, production stations, processing facilities, tank farms as well as the modification of live process plants, where we consistently deliver to project milestones, safely, with quality and on time.

Our success rests in our meticulous planning and project management processes. Our excellent, long term relationships with third-party service providers, specialist engineering consultants and suppliers enable us to meet the most challenging service and delivery deadlines.

All our term construction call-off contracts are running in double-digit years, a testimony of our position as the ‘Trusted Partner’ of choice for the Oil & Gas majors. Our local knowledge and expertise have allowed us to win jobs on the most complex projects in Oman and the mobility of our teams provide us with the flexibility to take on projects anywhere in Oman; large and small scale alike.

Case Studies