Roads and asphalt paving
From excavation and cutting through to the final asphalt layer.
NHZ General Contractors delivers complete infrastructure in Riyadh and across the Kingdom: roads, water and fire networks, sewage and stormwater, electrical and lighting. It is certified to ISO 9001, ISO 14001 and ISO 45001.
Street cross-section: every network we build has its own layer and color.
At NHZ Contracting we believe in delivering works and completing them on time and within budget. We have planned, designed and built many projects across the Kingdom to the highest quality standards, and kept to the approved schedule and budget of every project.
We work under certified quality, environment and occupational health and safety systems, and to the specifications of the authorities concerned on every project.
From excavation and cutting through to the final asphalt layer.
Drinking water and fire fighting networks with pipes of all types and sizes, to Civil Defense requirements (NFPA), with insulation and precise pressure testing.
Excavation, pipe laying and manholes to the required safety and quality.
Drainage networks and channels that protect roads and plans from rainwater.
Low and medium voltage networks, from routes to chambers.
Routes, manholes and cable installation for telecom networks.
Poles, cabling and lighting for streets and squares.
Irrigation networks and the construction of green areas and gardens.
Culverts for stormwater drainage and road crossings.
Underground water tanks and reinforced concrete works.
Construction of non-residential buildings.
We build with you from excavation to handover.
Nine delivered projects covering more than 6 million m² of delivered areas.
Road construction, asphalt paving, road retaining and tanks
Water channels and culverts for an agricultural plan
Strategic water tanks for an agricultural plan
Asphalt paving, signals and guidance markings
Asphalt paving, signs, signals and water culverts over 20 km
Asphalt paving, sidewalks, lighting, garden design and planning
Complete infrastructure: roads, water, sewage, stormwater, electrical and lighting, telephone
Complete infrastructure
Complete infrastructure
Photos from our sites. Choose a category to browse its work.


















Management system certificates issued to NHZ for the scope of general contracting (roads, water and fire networks, sewage and stormwater drainage, electricity and lighting, underground tanks and concrete culverts).

Quality Management System

Environmental Management System

Occupational Health and Safety Management System
Organizations whose projects we have delivered.

Organizations we cooperate with.









Send us the project details and our technical team will get in touch.