Saudi Aramco
Replacement of Electrical Equipment at Abqaiq, Ain Dar & Shedgum
Supply and apply civil works, backfilling and asphalting at GOSP 6 & 3
Contracting & Maintenance · Since 2023
Building the Kingdom's power & telecom infrastructure
JDH delivers HV/EHV overhead transmission lines up to 380 KV, telecom sites, electrical & instrumentation, civil, MEP and ELV works, on time and to the highest HSE standards.
380 KV
Transmission line experience
About JDH
A contracting partner built on quality, safety and trust
JDH Contracting (Jawdah Development and High Voltage Company) was established in 2023 to deliver tailored services to clients in a professional, timely and efficient manner. We combine skilled people, continuous innovation and effective technology to meet our clients' requirements.
An experienced management team, qualified engineers and a dedicated workforce let us deliver high-quality work at competitive prices, on schedule.
- Approved vendor for Saudi Aramco and SEC
- 132 KV and 380 KV OHTL projects for SEC, NG-SA and Marafiq
- HSE at the core of every activity
What We Do
Our Services
Eight service lines covering power transmission, telecom, MEP, civil and facility works.
HV/EHV Overhead Transmission Lines
Construction and maintenance of overhead transmission lines up to 380 KV, from access roads to OPGW stringing.
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Telecom Services
Telecom tower erection, microwave and feeder installation, site civil works and site acquisition.
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Electrical & Instrumentation
MV/LV power, lighting, panels, cabling, FOC and instrumentation installation, testing and loop checks.
Learn moreCivil & Road Works
Excavation, backfilling, concrete, reinforcement, asphalt and service installation works.
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HVAC / Mechanical
Centralized cooling, chillers, package and split units, installation and maintenance.
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Plumbing & Firefighting
Water supply, drainage, fire protection and fire alarm systems.
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Low Current & ELV Systems
Structured cabling, networking, CCTV, access control, IP telephony, BMS and data centres.
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General & Facility Services
Landscaping, waterproofing, general maintenance, facility operations and shade structures.
Learn more12+Major projects delivered
380 KVHighest line voltage
8Service lines
2023Year established
Track Record
View All Projects
Featured Projects
MARAFIQ
380 KV OHTL Yanbu LILO Works
Access road, foundations, tower erection and stringing
SEC
380 KV OHTL Shuqaiq – Bisha
Tower foundations and erection
SEC
Jeddah South Terminal Power Plant Stage-1 (SEC Contract No. 31121106/00)
Construction of gantries
Health, Safety & Environment
Safety is a core pillar of how we work
Across civil, mechanical, electrical, overhead transmission line, plumbing, finishing and HVAC activities, we comply with all legal requirements, prevent injuries and pollution, and keep improving our HSE performance.
Our HSE Policy- Legal & regulatory compliance
- Preventing injuries & illness
- Preventing pollution
- Continuous improvement
Trusted By
Clients & Partners
Saudi Aramco
Saudi Electricity Company (SEC)
National Grid SA
Marafiq
Mobily
Aminat Company
Hyundai
NCC
L&T
NESMA-TATA
Al Sharif Group & KEC
Al-Gihaz Contracting
Mansoor Al Mosaid
Perfect Vision Company
Rakaez Alhoulol Co.
We are ready to assist you
Tell us about your project and our team will get back to you with a proposal.