AJNIHAT ALNAJAH CONSTRUCTION · RIYADH, SAUDI ARABIA
WHO WE ARE

Engineering The Systems Behind Better-Built Environments.

Ajnihat Alnajah Construction is a Saudi-based, engineering-led contracting company delivering MEP-centric construction solutions across the Kingdom.

We integrate engineering coordination, disciplined execution, QA/QC, HSE, and authority-compliant delivery to create reliable, fully functional built environments.

Beyond our core MEP capability, our expertise extends across civil works, modular construction, interior fit-out, infrastructure, testing, commissioning, and supporting construction services, bringing multiple disciplines together within one controlled delivery framework.

WHAT WE DELIVER

One Delivery Framework.
Multiple Construction Capabilities.

01

MEP Engineering & Construction

Integrated Mechanical, Electrical, Plumbing, and Fire Life Safety systems delivered from engineering coordination through execution, commissioning, and handover.

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02

Civil & Structural Works

Reliable civil and structural execution supported by qualified manpower, disciplined supervision, and controlled construction practices.

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03

Modular Construction

Off-site fabrication and controlled modular production designed to improve consistency, enhance safety, and reduce on-site construction timelines.

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04

Interior Fit-Out

Coordinated fit-out execution integrating architectural requirements with critical building systems for functional and complete environments.

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05

Infrastructure Works

Construction and supporting infrastructure works executed through structured engineering, planning, and site controls.

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06

Testing & Commissioning

Structured inspections, testing, balancing, commissioning, authority approvals, and final handover to verify performance and operational readiness.

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07

Operations, Maintenance & Support

Specialized maintenance, facility operations, manpower, mechanical, fabrication, and supporting services designed to sustain asset performance.

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OUR CORE EXPERTISE

MEP isn't a Supporting Scope.

It's the Backbone of Our Delivery.

Mechanical, Electrical, Plumbing, and Fire Life Safety systems form the core of our construction delivery model.

From early-stage engineering coordination and detailed engineering through execution, testing, commissioning, and final handover, we manage MEP as mission-critical infrastructure — with a focus on safety, operational continuity, efficiency, compliance, and long-term asset performance.

M

MECHANICAL SYSTEMS

HVAC Systems
Chilled Water, DX & VRF
Ventilation & Exhaust
Mechanical Plant Rooms
Pump & Booster Systems
Industrial Mechanical Installations
Testing, Adjusting & Balancing

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E

ELECTRICAL SYSTEMS

LV & MV Power Distribution
Substations & Transformers
Generators & UPS
Lighting Systems
Earthing & Lightning Protection
Low-Current & ELV Systems
Testing, Commissioning & SEC Approvals

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P

PLUMBING & PUBLIC HEALTH

Water Supply & Distribution
Sanitary, Sewage & Drainage
Stormwater & Rainwater Systems
Water Storage & Pumping
Water Treatment Systems
Testing & Disinfection
Authority Approvals

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F

FIRE & LIFE SAFETY

Firefighting Systems
Sprinklers, Hydrants & Hose Reels
Fire Alarm & Detection
Fire Pumps & Controls
System Integration
Testing & Commissioning
Saudi Civil Defense Certification

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ENGINEERED AS ONE SYSTEM

Engineered To Work Together.

MEP-LED DELIVERY

MEP is positioned at the centre of project planning, execution, and building performance — not treated as a secondary construction scope.

INTEGRATION

Mechanical, electrical, plumbing, fire life safety, civil, and architectural disciplines are coordinated from the early engineering stage.

COMPLIANCE

Authority requirements are embedded into delivery planning, supporting alignment with Saudi regulations, SEC, Saudi Civil Defense, municipalities, and applicable standards.

EXECUTION CONTROL

Structured engineering, QA/QC, HSE, governance, and disciplined site supervision provide greater control throughout execution.

LIFECYCLE FOCUS

Our involvement extends from design coordination and construction through testing, commissioning, handover, and operational readiness.

HOW WE BUILD

From Engineering to Handover.

01 — PLANProject planning, engineering studies, authority requirements, risk assessment, and execution strategy.
02 — COORDINATEIntegrated MEP, civil, and architectural coordination supported by approved shop drawings, method statements, and BIM-based clash detection where required.
03 — BUILDControlled site execution led by experienced engineers, technicians, skilled manpower, and disciplined supervision.
04 — CONTROLContinuous QA/QC, HSE monitoring, inspections, material approvals, progress controls, and compliance management.
05 — COMMISSIONStructured testing, adjusting, balancing, system verification, authority inspections, and certification.
06 — DELIVERFinal documentation, approvals, operational readiness, and structured client handover.
BUILT FOR PERFORMANCE

Build For The Environments

That Keep Saudi Arabia Moving.

HOSPITALITY & HOTELS

Integrated building systems designed around guest comfort, operational continuity, life safety, and long-term performance.

RESIDENTIAL

Reliable construction and MEP systems supporting safe, efficient, and functional living environments.

COMMERCIAL

Coordinated building systems designed to support operational reliability and evolving business requirements.

MIXED-USE

Integrated construction delivery across complex environments where multiple building functions and disciplines must operate seamlessly.

INDUSTRIAL

Engineering-led mechanical, electrical, and supporting works for technically demanding operational environments.

INFRASTRUCTURE

Construction and engineering capabilities supporting the Kingdom's expanding built environment and infrastructure requirements.

SPECIALIZED DELIVERY

Engineered Around The Guest Experience.

Hospitality environments demand more than technical execution. Comfort, safety, reliability, aesthetics, and uninterrupted operations must work together.

Our MEP-centric delivery model integrates critical building systems with architectural and interior fit-out requirements to support hospitality environments throughout their operational lifecycle.

GUEST COMFORT
OPERATIONAL CONTINUITY
LIFE SAFETY
ENERGY & SYSTEM PERFORMANCE
FIT-OUT COORDINATION
CONTROLLED AT EVERY STAGE

Built Right.
Built Safe.
Built To Perform.

SAFETY FIRST

Project-specific HSE planning, risk assessments, permit-to-work systems, inspections, supervision, and continuous safety monitoring.

QUALITY ASSURED

Structured QA/QC frameworks, Inspection & Test Plans, material approvals, progressive inspections, and controlled testing.

AUTHORITY COMPLIANT

Early alignment with Saudi regulatory and authority requirements to support smoother inspections, approvals, and certification.

ENGINEERING CONTROLLED

Clear accountability, coordinated engineering, controlled execution, and disciplined project governance from planning through handover.

SAFETY → QUALITY → COMPLIANCE → PERFORMANCE

Our Work

Built To Perform.

Across our projects, we bring together engineering, execution, safety, quality, and compliance to deliver systems designed for reliable long-term performance.

Hospitality Works

Integrated Mechanical, Electrical, Plumbing, and Fire Life Safety systems for a premium branded hospitality development.

HVAC Works

Supply, installation, testing, and commissioning of HVAC systems including air handling units, ducting, insulation, ventilation, exhaust systems, supports, and controls.

Plumbing & Sanitary Works

Installation, testing, and commissioning of water supply, drainage, sanitary fixtures, piping networks, accessories, and associated systems.

Electrical Works

Installation, testing, and commissioning of electrical systems including underground cabling, cable ducts, panels, power distribution, earthing, and supporting infrastructure.

Fire Alarm Works

Supply, installation, testing, and commissioning of fire alarm and detection systems in compliance with applicable Saudi Civil Defense requirements.

OUR COMMITMENT

Building National Capability
Through Construction Excellence.

Our contribution goes beyond individual projects. We support the development of stronger local capabilities, safer infrastructure, skilled Saudi talent, and future-ready built environments aligned with the Kingdom’s continued transformation.

HVAC Works

Supply, installation, testing, and commissioning of HVAC systems including air handling units, ducting, insulation, ventilation, exhaust systems, supports, and controls.

Electrical Works

Installation, testing, and commissioning of electrical systems including underground cabling, cable ducts, panels, power distribution, earthing, and supporting infrastructure.

Plumbing & Sanitary Works

Installation, testing, and commissioning of water supply, drainage, sanitary fixtures, piping networks, accessories, and associated systems.

Electrical Works

Installation, testing, and commissioning of electrical systems including underground cabling, cable ducts, panels, power distribution, earthing, and supporting infrastructure.

OUR COMMITMENT

Building National Capability
Through Construction Excellence.

Our contribution goes beyond individual projects.
We support the development of stronger local capabilities, safer infrastructure, skilled Saudi talent,
and future-ready built environments aligned with the Kingdom’s continued transformation.

Developing Local Construction Capability

Strengthening the construction sector through reliable delivery, local resources, engineering expertise, and industry best practices.

Empowering Saudi National Talent

Supporting saudization through recruitment, training, professional development, and long-term capability building.

Implementing World-class Standards

Applying engineering, quality, and safety practices aligned with Saudi regulations and applicable international standards.

Supporting Infrastructure & Economic Growth

Contributing to residential, commercial, industrial, hospitality, and infrastructure developments supporting national growth.

BUILT THROUGH TRUSTED COLLABORATION

Stronger Delivery Starts
With Strong Relationships.

We collaborate with trusted partners to strengthen technical capability, project delivery, and operational efficiency across the Kingdom.

BUILD WITH US

Let's Build What's Next.

From early engineering coordination to construction, commissioning, and final handover, Ajnihat Alnajah Construction brings together the expertise, controls, and execution capability required to deliver with confidence.

PLAN  |  BUILD  |  DELIVER
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