Horizontal Line Company is a Saudi Arabia–based engineering and contracting firm specializing in Overhead Transmission Line (OHTL/OHPL) works and associated civil activities for the power, oil & gas, and infrastructure sectors. We deliver reliable, safe, and efficient solutions aligned with international standards and local regulatory requirements.

Formed as a strategic joint venture between United Construction Projects (Oman) and Zawya Al-Sahari General Contracting Est. (Saudi Arabia), Horizontal Line Company combines regional expertise with strong technical and operational capabilities. Our core services include tower and pole erection, framing, conductor and OPGW stringing, guy anchor installation, and supporting civil works such as ROW development, excavation, backfilling, berming, and infrastructure-related construction.

We have executed and are currently involved in major OHTL and civil projects across Saudi Arabia, working with leading EPC contractors in the energy sector. Our operations are driven by a strong commitment to safety, quality, and environmental responsibility. The company is ISO 9001 (Quality), ISO 14001 (Environment), and ISO 45001 (Occupational Health & Safety) certified, ensuring consistent and compliant project delivery.

Horizontal Line Company is a Saudi Aramco–registered service provider and an active member of the Saudi Contractors Authority (Muqawil). With experienced technical teams, modern construction practices, and a results-driven approach, we support the Kingdom’s Vision 2030 by contributing to the development of resilient power and energy infrastructure.

From ground lines to skylines, we build connections that power progress.

Horizontal Line

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Horizontal Line

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