United Maintenance and Contracting Company (UNIMAC)

United Maintenance and Contracting Company (UNIMAC): Building Saudi Arabia’s Infrastructure with Trusted Expertise

United Maintenance and Contracting Company (UNIMAC) operates as a Class 1 heavy civil contracting firm in Saudi Arabia. The company handles complex infrastructure projects from start to finish—designing, constructing, and maintaining roads, airports, and highways. With more than one thousand employees and over seven hundred pieces of equipment, UNIMAC delivers large-scale projects with precision and reliability.

Historical Growth and Capabilities

UNIMAC began in 1979 with modest resources and small projects. Through years of reinvestment and strategic growth, the company now boasts vast in-house capabilities. It operates its own asphalt production plants, crushed aggregate facilities, testing laboratories, transportation fleet, and a dedicated project studies and design department. These resources ensure UNIMAC can execute projects independently from conception through completion.

Core Services & Divisions

Construction Division: UNIMAC Construction Division builds infrastructure including airport runways, taxiways, motorways, car parks, and industrial surfaces.

MEP Division: Provides comprehensive Mechanical, Electrical, Plumbing, and Fire-Fighting engineering—from planning and procurement to construction and commissioning.

Substructure & Walls: Constructs durable concrete and Mechanically Stabilized Earth (MSE) walls, ensuring strength and longevity on all kinds of infrastructure.

Landscaping & Irrigation: UNIMAC supplies high-quality greenery, soil blends, and irrigation networks. It also provides water tank systems designed with optimized soil depth, proper spacing, and corrosion-resistant materials.

Support Functions: Maintains rigorous standards for environmental sustainability, quality assurance, health, and safety, ensuring governance and operational excellence in every project.

Noteworthy Projects

Over the decades, UNIMAC has delivered hundreds of projects. Moreover, these range from local parking facilities to major airport infrastructure. Notable works include the Formula 1 Jeddah Corniche Circuit, Diriyah Formula E infrastructure, Neom retaining walls, and Riyadh Metro Lines 2 and 3. The company has also completed projects for Princess Noura University, King Abdullah Financial District, and Abu Baker Road.

Mission, Vision & Values

UNIMAC strives to be a trusted partner in infrastructure development. Its mission focuses…