Our Main Services

  • Civil construction
  • Mechanical/Structural/Fabrication & Erection
  • Electromechanical projects
  • Carpentry & Joinery Division

Dolphin Trading & Investment LLC has been associated with nation building projects in the Sultanate of Oman since 2006 .

Our Civil projects combine contemporary architecture with internationally approved safety standards and are delivered by some of the best engineering teams with vast experience in the field. We have implemented projects for the Oil & Gas and Power Industries as well Commercial and Residential buildings, Factories and Warehouses.

  • Industrial Construction involving Civil, Mechanical, Electrical Instrumentation operations related to Oil & Gas, Power Industry
  • Multi-storied commercial & residential buildings
  • Pre-cast concrete fabrication
  • Fabrication & erection of carbon steel & SS pipe lines, pipe shoes and guides
  • Concrete cable route markers
  • Cellar boxes
  • Cable tray supports
  • Concrete sleepers
  • Prefab cabins & electromechanical systems
  • Maintenance & rectification of heat exchangers
  • Prefabrication & erection of structural steel & workshop/warehouse/factories

DTI provides a broad spectrum of end-to-end engineering, design and consultancy services, from concept to commissioning of projects. The company is a major player in the infrastructure development space and has commissioned several critical projects

  • Fabrication & supply of structural steel at Qurn Alam for  STS’s Oil & Gas Projects and for Occidental Mukhaizna LLC
  • Offspec LPG line from T6215 to CDU for Sohar Refinery
  • Warehouse & stores for Oman Refineries and Petrochemicals Company LLC
  • Fabrication of distribution warehouse at Sohar for Oman Refreshment Co SAOG

Since inception, DTI has undertaken electromechanical contracts mainly for the Oil & Energy sector and for residential, commercial, and industrial projects. DTI’s engineers have installed state-of-the-art transformers, fire protection, temperature monitoring, surveillance, water distribution and drainage systems on several critical projects. 


  • Supply and installation of  11KV substation equipments  like transformers, RMUs and feeder pillars, earthing stations and necessary testing and commissioning etc., as per mandated standards
  • Supply and installation of necessary HV cable from the primary substation to the consumer substation including necessary statutory approvals
  • Supply and installation of LV panels, Form II & Form IV panels including interconnection cabling from feeder pillar to the respective MDP
  • All type of Internal and external electrical installation (SMDBs, DBs, switches and sockets etc)
  • Supply and installation of fire alarm systems and  fire protection systems including blueprints and organizing ROP inspection
  • Supply and installation of internal and external source to end point water distribution systems
  • Supply and installation of internal and external drainage and storm water system with holding tank and soak pit
  • Supply and installation of extra low voltage systems like CCTV, PA system, structural cabling, SMATV
  • Supply and installation of HVAC installation like chillers, AHU, package unit, wall mounted  and floor mounted split units, window  units , VRV system  including necessary heat load calculation


DTI’s skilled workmen use the finest raw material and state-of-the-art machinery to transform commercial and residential buildings into aesthetic work and living spaces that conform to the highest safety and quality standards. DTI continuously strives to raise the benchmark on quality standards.

  • Manufacture of fitted furniture
  • Decorative carved products
  • Panelled & flush doors
  • Timber windows
  • Mushrabiah screens
  • Handrails
  • Wall panelling
  • Timber flooring

DTI’s large carpentry and joinery workshop offers woodwork, lamination, kiln drying and lacquer finishing services. A team of well-qualified and highly experienced professionals and specialists provide technical support to customers.

Get in touch

Post Box No.1845 Al Athaiba, Postal Code – 130 Sultanate of Oman

Call:(968) – 24502179, 24503896 24592591, 24592596

About Us

An ISO certified construction company that offers end-to-end solutions for civil engineering, mechanical and electromechanical engineering projects.

Read More