Core Capabilities

Our Services

UNIMAC offers a comprehensive suite of integrated services for major infrastructure projects.
Our Services

Integrated Expertise, Seamless Execution

For more than four decades, UNIMAC has delivered major infrastructure projects across Saudi Arabia by combining diverse disciplines under one roof. Our vertically integrated services ensure quality, efficiency, and innovation at every stage of construction.
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Services
Specialized Paving & Asphalting
Through our UNIMINE division, we produce and apply advanced asphalt mixes tailored for highways, airports, and world-class racetracks. Our portfolio includes polymer-modified and high-performance solutions designed for durability, grip, and extreme conditions.
Asphalt Mix Portfolio
UNIMAC's Asphalt Mix Portfolio encompasses over 50 rigorously engineered asphalt blends, tailored for diverse applications such as highways, urban roads, airfields, and internationally certified motorsport circuits. Mix designs include colored asphalts, polymer-modified, rubberized, and cement-reinforced variants—each selected and customized based on specific resistance, durability, climate considerations, and end-use requirements. This extensive portfolio ensures optimal performance, safety, and longevity across public and private sector projects.
Asphalt Production & Plants
UNIMAC operates a vertically integrated network of advanced asphalt production plants, strategically located to support efficient project supply chains. These plants leverage state-of-the-art technology and in-house quality labs to continuously test and verify all material inputs and outputs, ensuring each batch meets international standards. With strict controls on aggregate selection and production processes, UNIMAC guarantees consistent, reliable asphalt for infrastructure of any scale.
Pavement Construction & Rehabilitation
UNIMAC provides end-to-end pavement construction and rehabilitation services, managing all stages from site preparation and grading to paving and structural overlays. Using modern machinery and quality-assured techniques, the company tackles projects ranging from new roadway construction to refurbishment of existing surfaces, including milling, crack repair, geotextile installation, and full-depth reconstruction. Rehabilitation solutions are adapted based on pavement age, traffic demands, and client needs, restoring function and extending service life for roadways, runways, and heavy-duty surfaces.
Paving Quality & Testing
Paving Quality & Testing is central to UNIMAC’s commitment to excellence. The company maintains dedicated internal laboratories and field testing teams who monitor every step of the paving process—beginning with materials at the source, through plant production, transportation, laying, and post-construction evaluation. Tests cover standards like density, viscosity, aggregate gradation, binder content, and site compaction, ensuring strict compliance with project specifications and delivering superior, durable results on every job.
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Heavy Civil & Infrastructure Works
UNIMAC is a trusted partner in constructing highways, bridges, tunnels, retaining walls, and substructures. Our teams manage every phase from earthworks to concrete systems, ensuring resilience and performance in Saudi Arabia’s most critical infrastructure.
Geotechnical & Ground Improvement
UNIMAC provides advanced geotechnical investigations and ground improvement services, utilizing soil stabilization, deep compaction, and grouting techniques to create stable foundations for major infrastructure. These methods ensure longevity, safety, and optimal structural performance under varied ground conditions.
Utilities Diversion
UNIMAC undertakes the diversion and re-routing of underground & above-ground utilities in coordination with local authorities, service providers, and highway agencies. Our approach ensures zero service disruption, full stakeholder coordination, and seamless execution alongside highway and infrastructure diversion works.
Substructures & Retaining Walls
UNIMAC constructs robust substructures and retaining walls including reinforced concrete, precast, and mechanically stabilized earth (MSE) systems. These elements are engineered for stability and strength, supporting roadways, bridges, urban developments, and landscape features.
Earthworks & Site Preparation
UNIMAC excels in large-scale earthmoving, excavation, grading, and compaction, preparing sites for seamless downstream construction. With fleet scale and technological precision, we ensure properly balanced sites, engineered fills, and environmentally responsible preparation.
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Quarrying & Aggregates
Our quarries and production facilities supply premium aggregates, supported by rigorous quality control and advanced technologies such as drone surveying and automated machinery.
Aggregate Production
UNIMAC’s UNIMINE division operates state-of-the-art quarries and processing plants to produce a broad portfolio of high-grade aggregates. Rigorous quality assurance yields consistent, reliable materials for concrete, asphalt, sub-base, and landscaping uses.
Mining Operations
The company delivers end-to-end mining solutions—from exploration and extraction to processing and distribution. Industry-leading equipment and best practices ensure resource efficiency and safety throughout all mining activities.
Riprap, Armor Stone & Engineered Fill
UNIMAC provides heavy-duty aggregates, including riprap, armor stone, and engineered fills, for projects requiring specialized erosion control, slope stabilization, and structural support—each tailored for application in coastal, hydraulic, and transport infrastructure.
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MEP (Mechanical, Electrical, Plumbing)
UNIMAC provides a complete range of Mechanical, Electrical and Plumbing (MEP) under Engineering, Procurement, Construction & Commissioning (EPCC) contracts. Our services are delivered in full compliance with local & international standards, with a strong focus on quality, safety & operational reliability. The scope covers the delivery of robust power, water, and mechanical systems that support infrastructure requirements, including Motor Sports circuits (Formula 1/E & Carting), sports fields, aviation facilities, urban infrastructure, industrial development, and specialized projects.
Power Networks
UNIMAC delivers the design, construction, and commissioning of complex electrical power systems, including substations, transformers, and distribution networks, supporting industrial, aviation, urban, and special-use developments.
Lighting & Control Systems
UNIMAC's dedicated Lighting & Controls team specializes in the design & implementation of advanced lighting & control systems for motor sports circuits, public roads, urban environment, and airports. Our solutions integrate intelligent control & traffic management technologies to ensure continuous operation, enhanced safety, high reliability, and optimal performance under all operating conditions.
Potable Water, Sewage & Storm Water Networks
UNIMAC provides end-to-end solutions for potable water, sewage, and storm water networks, including supply, installation, testing & commissioning. All works are executed in accordance with regulatory requirements & environmental standards, while addressing the specific operational needs of each project.
Utilities Diversion
UNIMAC undertakes the diversion and re-routing of underground & above-ground utilities in coordination with local authorities, service providers, and highway agencies. Our approach ensures zero service disruption, full stakeholder coordination, and seamless execution alongside highway and infrastructure diversion works.
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Landscaping & Irrigation
UNISCAPE, a member of UNIMAC Group, delivers integrated landscape and irrigation solutions supported by its well-established nursery in Al Kharj. The company specializes in the design, supply, and execution of landscape works, irrigation networks, and horticultural systems that enhance urban environments, public spaces, and infrastructure developments, adding long-term aesthetic, environmental, and functional value.
Nursery Management & Supply
UNISCAPE develops and manages advanced nurseries, producing and supplying resilient, high-quality plants, trees, and shrubs, enabling sustainable large-scale landscaping.
Urban Landscaping & Public Realm
Streetscapes, parks, hardscape, wayfinding; native/adaptive planting.
Irrigation Networks & Tanks
We design and install efficient irrigation networks and storage tanks, leveraging smart technology to optimize water use for urban landscapes, parks, and agricultural developments.
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Our Assets
With more than 1,000 specialized machines and modern equipment assets, UNIMAC has the operational strength to execute major projects efficiently across the Kingdom.
Paving & Surfacing Fleet
UNIMAC owns and operates specialized paving and surfacing equipment, facilitating the efficient delivery of highway, runway, and motorsport surfacing projects with precision and scale.
Earthmoving & Lifting Fleet
An extensive fleet of earthmoving and lifting machinery, including excavators, loaders, cranes, and graders, provides flexibility and capacity for even the most demanding construction environments.
Survey, Labs & Support
In-house survey teams, laboratories, and technical support units underpin every project, ensuring data-driven execution, on-site quality verification, and seamless logistical coordination.
Asphalt Production & Plants
UNIMAC operates a vertically integrated network of advanced asphalt production plants, strategically located to support efficient project supply chains. These plants leverage state-of-the-art technology and in-house quality labs to continuously test and verify all material inputs and outputs, ensuring each batch meets international standards. With strict controls on aggregate selection and production processes, UNIMAC guarantees consistent, reliable asphalt for infrastructure of any scale.
Support Divisions

Support Departments

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Support DIvisions
Quality Assurance & Quality Control (QA/QC)
With ISO 9001:2015-certified laboratories, we rigorously test materials and processes. Our satellite labs provide on-site verification, ensuring consistency and reliability from source to site.
Materials Testing (Asphalt/Concrete/Aggregate)
Laboratory verification of asphalt, concrete, and aggregates: Marshall/gyratory design checks, binder content and gradation, trial mixes, plant calibration, sieve analyses, and batch traceability against project specifications with acceptance criteria and certificates.
Field Quality Control
In‑situ quality checks for production and placement: nuclear/sand‑cone density, cores, IR temperature monitoring, lot‑based compaction results, smoothness and texture (MTD/MPD) verification, and corrective action workflows to maintain compliance.
QA Documentation & Handover
Complete documentary control: ITPs and checklists, MIR/MAR approvals, test registers, NCR/CAR logging and closure, retention samples policy, and compilation of quality handover dossiers and as‑built QC records.
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Environmental & Sustainability
Our Environmental Division safeguards ecosystems and ensures every project aligns with ISO 14001:2015 standards. We implement sustainable practices that minimize impact while supporting Vision 2030’s goals for greener infrastructure.
Environmental Management & Compliance
Site‑specific environmental management plans (EMPs), permitting and approvals, ISO 14001 alignment, method statements, audits/inspections, monitoring, and statutory reporting to authorities.
Pollution Prevention & Resource Management
Dust/noise/vibration control plans, spill prevention and response (SPCC), waste segregation and recycling streams, fuel/chemical storage controls, water use optimization, and compliant dewatering with discharge testing.
Landscape, Biodiversity & Erosion Control
Flora relocation and tree protection zones, habitat safeguards, erosion and sediment control (silt fences, check dams, slope stabilization), and routine environmental monitoring with corrective measures.
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Health & Safety Management
Aligned with ISO 45001:2018, our Health & Safety systems prioritize workforce wellbeing and stakeholder protection. We foster a culture of safety that underpins every phase of project delivery.
HSE System & Training
ISO 45001‑aligned procedures, site inductions, role‑based competency training, toolbox talks, and supervisor coaching to embed safe work practices.
Assurance, Incidents & Emergency Response
Routine inspections and audits with corrective actions, incident reporting and root‑cause analysis, emergency response planning and drills, and coordination with local authorities and medical services.
Risk Controls & Permit‑to‑Work
Task risk assessment (JSA/HIRA), method statements, PTW for hot work, excavation, confined space, working at height, and LOTO; lifting plans and rigging supervision for critical lifts.
Featured Projects

From idea to sustainable success