Overhead transmission line running to the horizon at dusk

EPC Contractor · Sultanate of Oman

Building Oman’s Power Infrastructure

Trust & Integrity

Al Qasaem Trading & Contracting builds and energises high-voltage transmission, grid stations and civil works across the Sultanate — with our own crews, plant and supervision.

EHV
Overhead Lines & Cabling
Grid
Stations
E&I
Oil & Gas
Line of 400 kV transmission towers across the Omani desert

Engineering · Procurement · Construction

From Foundation To Energisation

Trust & Integrity

Overhead lines, EHV cables, grid stations, foundations and piling, and Oil & Gas E&I — delivered single-source, safely and on programme.

Oman
Nationwide
In-house
Plant & crews
HSE
Non-negotiable
Line crossing during 400 kV stringing

Who we are

An Omani engineering and contracting company

AL QASAEM TRADING & CONTRACTING CO. is an Omani SME working across power transmission, electrical installations, EHV cable works, foundations and piling, Oil & Gas electrical and instrumentation, and civil construction.

Since our establishment we have focused on developing strong technical capabilities and delivering reliable services to Oman's transmission and energy sector — working with OETC, PDO, OQ, OLNG, Mazoon and the country's leading main contractors.

Our ambition is to grow as a trusted Oman-based engineering and contracting company while creating greater opportunities for Omani talent, developing local skills and strengthening the participation of SMEs within the national supply chain.

  • Omani SME
  • 39 projects delivered
  • Up to 400 kV capability
  • Operating since 2019

More about us

What we do

Our Capabilities

Six disciplines delivered by our own crews, plant and supervision across transmission and energy projects in Oman.

EHV Overhead Transmission Lines

Foundations, tower assembly and erection, conductor stringing, line crossings and shutdown works on 33 kV, 132 kV, 220 kV and 400 kV overhead lines.

EHV Cable Works

Trench Excavation and Back filling, Cable Laying and Support works, Support for the Jointer (Vendor) for Termination & Jointing, EHV Cable repalcement works

Grid Stations & Substations

Equipment Insdtallations including the Structures, Power & Control Cable Laying, Glanding & Installation. Substation Control & On line Monitoring System Installation, Testing & Commssioning Support

TOWER FOUNDATION WORKS

Tower Foundation works for Open & Pile Type Foundations including Excavation / Piling, Foundation civil works ans Backfiiling

Oil & Gas Electrical & Instrumentation

Electrical & Instrumentation works for Oil & Gas facilities

Civil Construction

Access roads, camp construction for up to 300 personnel, MEP works, office and camp extensions, and civil maintenance across remote sites.

  • 0Projects delivered
  • 0kV maximum voltage
  • 0km longest OHL route
  • 0Years of operation

Project experience

Selected Projects

A selection of the work delivered between 2019 and 2026 for OETC, PDO, OQ, OLNG, Mazoon and Hafeet Rail. The full register is on the projects page.

400 kV transmission line running across open desert terrain

Overhead lines

400 kV OHL Duqm–Suwaihat & Duqm–Mahout — stringing, 160 km

Client: OETC Main contractor: KEC International Year: 2022

132 kV lattice tower on the Mudhai to Mazyunah overhead line route

Overhead lines

132 kV OHL Mudhai–Mazyunah — 103 km

Client: OETC Main contractor: ONEIC Year: 2025–2026

Mobile crane erecting a transmission tower for loop-in loop-out works

Substations

Al Sebekhi 400 kV Grid Station — LILO shutdown works

Client: OETC Main contractor: Larsen & Toubro (Oman) Year: 2025–2026

Bucket truck working on an overhead line beside a desert access road

Overhead lines

132 & 220 kV OHL diversions — Hafeet Rail, Sohar & Buraimi

Client: Hafeet Rail / OETC Main contractor: Galfar Engineering Year: Ongoing

AQT crew and cable trenching plant on a power cable laying route

Cables

Power cable laying with trench excavation & backfilling — 45 km

Client: PDO Main contractor: Zawawi Powertech Year: 2020

Technicians routing high-voltage power cables inside a cable basement

Cables

132 kV power cable replacement — shutdown works, Wadi Adai

Client: OETC Main contractor: Zawawi Powertech Year: 2021

Electrician working inside an open distribution and metering panel

Oil & Gas

110 V DC UPS & battery replacement — Fahud Power Station

Client: PDO Main contractor: GPS Year: 2022

Site workforce assembled at a completed construction camp

Civil

Camp construction works for 300 manpower — Rima

Client: OQ Main contractor: GPS Year: 2020–2021

On site

Activity Highlights

Who we work with

Clients & Main Contractors

  • Galfar Engineering & Contracting
  • Petroleum Development Oman
  • Energy China
  • RAY International Group
  • KEC International
  • Gulf Petrochemical Services
  • ONEIC
  • Larsen & Toubro (Oman)
  • OQ Gas Networks
  • Occidental Oman
  • Oman Electricity Transmission Company
  • Sharikat Fanniya Omaniya

We also work with Oman LNG, Mazoon Electricity and Hafeet Rail, and as a subcontractor to Zawawi Powertech Engineering, Carillion Alawi and Oman Services & Supply Organization.

Building a Stronger Tomorrow

Supporting Oman's national development priorities by increasing local capabilities, developing Omani skills and contributing to the successful delivery of the country's critical infrastructure and energy projects.

Contact us