NHZ logoNHZ General Contractorsالعربية
Certified ISO 9001 · ISO 14001 · ISO 45001

We build what lies beneath the roads and streets just as we build the roads and streets

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.

Water and fire mains Sewage Stormwater and culverts LV and MV electrical Telecom Underground tank Base course Paving, lighting and signs
+6 million m²of infrastructure areas actually delivered
9 projectsdelivered in Riyadh, Al Kharj and Al Nabhaniyah
42 employeesengineering, supervision and technical team
+15 years of experienceof the team in infrastructure projects
3 ISO certificatesquality, environment, and occupational health and safety
About us

Committed to time and budget, built to quality standards

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.

Trust
Dedication
Excellence
What we do

Our services

We work under certified quality, environment and occupational health and safety systems, and to the specifications of the authorities concerned on every project.

01

Roads and asphalt paving

From excavation and cutting through to the final asphalt layer.

02

Water and fire networks

Drinking water and fire fighting networks with pipes of all types and sizes, to Civil Defense requirements (NFPA), with insulation and precise pressure testing.

03

Sewage networks

Excavation, pipe laying and manholes to the required safety and quality.

04

Stormwater and flood drainage

Drainage networks and channels that protect roads and plans from rainwater.

05

Electrical networks

Low and medium voltage networks, from routes to chambers.

06

Telephone and telecom networks

Routes, manholes and cable installation for telecom networks.

07

Street lighting

Poles, cabling and lighting for streets and squares.

08

Irrigation and landscaping

Irrigation networks and the construction of green areas and gardens.

09

Culverts of all types

Culverts for stormwater drainage and road crossings.

10

Tanks and concrete works

Underground water tanks and reinforced concrete works.

11

Non-residential buildings

Construction of non-residential buildings.

Have an infrastructure project?

We build with you from excavation to handover.

Request a quote
Track record

Our projects

Nine delivered projects covering more than 6 million m² of delivered areas.

01

Al Waseel roads development

Road construction, asphalt paving, road retaining and tanks

Client
Jarir Commercial Development
Location
Al Waseel Road, Diriyah, Riyadh
Area / length
2,300,000 m²
Duration
3 years
02

Al Waseel water channels and culverts

Water channels and culverts for an agricultural plan

Client
Jarir Commercial Development
Location
Al Waseel Road, Diriyah, Riyadh
Duration
1 year 8 months
03

Al Waseel water tanks

Strategic water tanks for an agricultural plan

Client
Jarir Commercial Development
Location
Al Waseel Road, Diriyah, Riyadh
Duration
1 year 4 months
04

Riyadh Najd Schools car parks

Asphalt paving, signals and guidance markings

Client
Riyadh Najd Schools
Location
Riyadh
Duration
6 months
05

New Qassim – Makkah road

Asphalt paving, signs, signals and water culverts over 20 km

Client
Alfahd Company (main contractor), government project
Location
Al Nabhaniyah
Area / length
20 km
Duration
8 months
06

Roads, sidewalks, gardens and lighting

Asphalt paving, sidewalks, lighting, garden design and planning

Client
Al-Othman Holding
Location
Al Kharj
Area / length
360,000 m²
Duration
7 months
07

Al Saeedaniyah plan

Complete infrastructure: roads, water, sewage, stormwater, electrical and lighting, telephone

Client
Al-Saidan Group
Location
Riyadh
Area / length
1,200,000 m²
Duration
3 years
08

Al Anadiyah plan

Complete infrastructure

Client
Al-Saidan Group
Location
Al Muzahimiyah, Riyadh
Area / length
2,000,000 m²
Duration
1 year
09

Plan no. 4011

Complete infrastructure

Client
Afras Arabia Investment
Location
Al Narjis district, Riyadh
Area / length
185,321 m²
Duration
3 years
From the field

Videos from our sites

Aerial footage of our sites: excavation, paving and tanks
Welding of water network pipes
Asphalt paving and curb installation
Quality and safety

Certifications

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).

ISO 9001:2015

ISO 9001:2015

Quality Management System

Certificate no.
AMER402190
Issued
27/07/2026
Surveillance
27/07/2027
Issued by
AMERICO Quality Standards Registech Pvt. Ltd.
View certificate PDF
ISO 14001:2015

ISO 14001:2015

Environmental Management System

Certificate no.
AMER402191
Issued
27/07/2026
Surveillance
27/07/2027
Issued by
AMERICO Quality Standards Registech Pvt. Ltd.
View certificate PDF
ISO 45001:2018

ISO 45001:2018

Occupational Health and Safety Management System

Certificate no.
AMER402192
Issued
27/07/2026
Surveillance
27/07/2027
Issued by
AMERICO Quality Standards Registech Pvt. Ltd.
View certificate PDF
Our people

Organizational chart

1Management

A
Eng. Abdulaziz Al-MughairFounding Partner and General Manager
A
Eng. Abdulrahman Al-MughairFounding Partner, Deputy General Manager and Financial and Administrative Director

2Execution

M
Eng. Mahmoud Al-HajjarProject and contract management
M
Eng. Mohammed Naveed AslamCivil works execution manager
M
Eng. Mohammed SalehElectrical works
M
Eng. Mohammed Abdulaziz Al-MughairMechanical works
M
Mohammed Ali Al-HassanSupervision and monitoring
M
Mohammed Ibrahim RizkAccounting
S
Suhail AsgharSurveying works
I
Ibrahim Ali Al-HassanQuality officer
A
Ali Al-HassanHealth, safety and occupational health
A
Abdulsalam Mohammed SulaimanProcurement
A
Abdullah Al-HabibPublic relations
M
Mohammed RasheedStorekeeper
Y
Yousef AmerGeneral equipment supervisor
Trusted by

Our clients

Organizations whose projects we have delivered.

Jarir Commercial Development
Al-Saidan Group
Afras Arabia Investment
Al-Othman Holding
Riyadh Najd Schools
Alfahd Company

Cooperation partners

Organizations we cooperate with.

Al Rajhi Bank
Royal Commission for Riyadh City
Riyadh Infrastructure Projects Center
Riyadh Cement
Al Suais Ready-Mix Concrete and Cement Products
Orak Holding Company
Diriyah Gate Development Authority
Rajhi Steel
Public Investment Fund
Get in touch

Have an infrastructure project?

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

Address
3486 Prince Bandar bin Abdulaziz Street, Al Khaleej District, Riyadh
Phone
+966 55 517 7757
+966 50 988 8999
Email
nhz@nhzcompany.com