MJB is the Trusted Mechanical and Civil Contractor, specializing in the installation of:
- Heating, Ventilation & Air Conditioning (HVAC) Systems
- Plumping Services
- Fire Fighting Systems
- Gypsum Works
- Tiling Works
ABOUT MJB
Mohammed Jassim Al-Bahar Contracting Establishment (MJB), a key division of Sarin Company Ltd, is a renowned contractor specialized in Mechanical and Civil works. We offer comprehensive solutions across HVAC, Plumbing & Fire Fighting Systems, Gypsum Works, and Tiling Works for residential, commercial, and industrial projects. With extensive experience in installation, maintenance, and optimization of these systems and works, we ensure seamless integration with general contractors, developers, and engineers. Our goal is to meet the highest standards of quality, performance, and efficiency for every project.
OUR MISSION
To provide high-performance HVAC, Plumbing, Fire Fighting Systems, and Civil Works such as Gypsum and Tiling solutions as a trusted contractor, delivering efficiency, comfort, sustainability, and safety while maintaining the highest standards of quality and reliability.
OUR VISION
To be recognized as the region’s leading contractor, known for our innovative solutions in Mechanical and Civil Works, exceptional service, and commitment to the successful completion of every project.
OUR CORE VALUES
EXCELLENCE:
Delivering high quality Mechanical systems and Civil works that function efficiently and reliably.
INNOVATION:
Using the latest technology to provide the best HVAC, Plumbing, Fire Fighting solutions, and Civil works like Gypsum and Tiling.
INTEGRITY:
Building trust with honesty, transparency, and ethical practices.
SAFETY:
Keeping our team, clients, and community safe with strict safety standards.
COLLABORATION:
Working closely with our clients and partners to ensure success.
OUR CORE SERVICES
HVAC SERVICES
MJB specializes in providing complete HVAC solutions for residential, commercial, and industrial projects. Our HVAC services include
DUCTWORK INSTALLATION:
Installation of high-quality duct systems to ensure optimal airflow and system efficiency.
CHILLED WATER PIPE WORKS:
Expert installation of chilled water piping systems for air conditioning and cooling systems.
CHILLER INSTALLATION:
Installing large-scale chillers to support cooling needs in commercial and industrial buildings.
AIR HANDLING UNIT (AHU) INSTALLATION:
Installing custom air handling units to ensure efficient air circulation and cooling
FAN COIL UNIT (FCU) INSTALLATION:
Installing fan coil units for temperature control in individual rooms or zones.
PUMPS INSTALLATION:
Expert installation of pumps for water, cooling, or HVAC systems to ensure reliable operation.
FANS INSTALLATION:
Installing high-performance fans for ventilation, air circulation, and system optimization.
AIR OUTLETS :
Expert installation of pumps for water, cooling, or HVAC systems to ensure reliable operation.
EXHAUST SYSTEMS INSTALLATION:
Installation of high-performance exhaust systems for proper ventilation and air quality management.
PLUMPING SERVICES
MJB offers expert plumbing solutions, Including these services:
- Installation of Pipes – Water Supply & Drain- age: Installation of reliable water supply and drainage piping systems.
- Installation of Plants & Pumps: Installing efficient pumps for water supply and other related systems.
- Installation of Plumbing Fixtures & Fittings: Installation of faucets, sinks, toilets, and other plumbing fixtures.
FIRE FIGHTING SERVICES
MJB provides comprehensive firefighting solutions, Including these services:
- Fire Fighting Pipes & Sprinkler Systems: Installation of fire fighting piping systems and sprinkler systems for early fire suppression and effective emergency response.
- Fire Hydrants & Pumps: Installation of fire hydrants and pumps to ensure water availability during emergencies.
- Fire Extinguishers: Placement and maintenance of fire extinguishers.
CIVIL WORKS
In addition to mechanical services, MJB excels in providing civil works including:
Gypsum Works: Installation of gypsum boards and drywall systems for smooth, durable wall and ceiling finishes. We offer high-quality gypsum solutions for both residential and commercial spaces, ensuring clean, precise, and aesthetically pleasing results.
Tiling Works: Expert installation of floor and wall tiles. We specialize in a variety of tile materials, ensuring a perfect finish for both functional and decorative needs. Our tiling solutions are designed to be durable and visually appealing, making them ideal for any project.
OUR PROJECTS
DR. Sulaiman Al Habib Hospital
Location: Sahafa, Riyadh
Main Contractor: Masah Construction Co.
Scope of Works: HVAC and Gypsum Works
Status: Completed
Ajdan Waterfront Development Tower
Location: Al-Khobar
Main Contractor: Masah Construction Co.
Scope of Works: HVAC and Gypsum Works
Status: Completed
DR. Sulaiman Al Habib Hospital
Location: Al-Khobar
Main Contractor: Masah Construction Co.
Scope of Works: HVAC and Gypsum Works
Status: Completed
Al Salam Hospital
Location: Al-Khobar
Main Contractor: Project Build Construction
Scope of Works: HVAC and Gypsum Works
Status: Completed
Chamber of Commerce Tower
Location: Dammam
Main Contractor: Al Bawani Co. Ltd
Scope of Works: Mechanical Works
Status: Completed
Gulf Address Residential Compound
Location: Al-Khobar
Scope of Works: HVAC and Gypsum Works
Status: Completed
The Palms Residential Towers
Location: Riyadh
Main Contractor: Masah Construction Co.
Scope of Works: Plumbing Works
Status: On-Going
Palm View
Location: Riyadh
Main Contractor: Project Build Construction
Scope of Works: Mechanical Works
Status: On-Going
Oud Exclusive Complex
Location: Riyadh
Main Contractor: Al Bawani Co. Ltd
Scope of Works: HVAC Works
Status: On-Going
OUR WORKS GALLERY
Explore a Collection of Our Executed Works, Demonstrating Our Commitment to Quality, Precision, and Client Satisfaction in Every Detail.
WHY CHOOSE US?
Specialized Contractor:
MJB is a leading contractor specializing in HVAC, plumbing, fire fighting systems, as well as gypsum and tiling works. We have a proven track record of delivering high-performance solutions.
Skilled Workforce:
Our team consists of certified engineers, technicians, and craftsmen skilled in the latest technologies and installation practices.
Timely Project Completion:
We work efficiently to meet project deadlines, ensuring all systems are integrated seamlessly into your construction schedule.
Cost-Effective Solutions:
Transparent pricing and solutions that provide maximum value while meeting your project requirements.
Safety Standards:
We prioritize safety, adhering to stringent safety protocols on all projects to ensure a safe environment for all.
CONTACT US
Choose Mohammed Jassim Al-Bahar Contracting Establishment (MJB), part of Sarin Company Ltd, as your trusted contractor specialized in HVAC, Plumbing, Fire Fighting Systems, Gypsum Works, and Tiling Works, tailored to meet your project’s specific needs.























