
+40
years of experience
ABOUT US
Ray Ab Consulting Engineers is proud that with more than 40 years of brilliant experience, has been able to present itself as a well-known and leading consulting engineering company in providing various technical and engineering services in the Water and Wastewater Industry.
The Company was founded in 1984 to provide new solutions in the specialized fields of Water, Wastewater and has been able to take important steps towards Sustainable Infrastructure and Development. Ray Ab carried out more than 1300 Projects in the fields of Feasibility Study, Detail Design and Construction Supervision Services by using the technical knowledge and experience of more than 750 experts
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Ray Ab Consulting Engineers Services
Department of Study

Dam & Network
Collecting & Directing Surface Water
Dam, Tunnel & Water Structures
Irrigation, Drainage & River Engineering
Water Resource Management

Wastewater
Wastewater treatment Plants
Wastewater Collection & Transmission Networks
Pumping Station & Transmission Lines

Water
Water treatment Plants
Water Distribution Networks
Pumping Station & Transmission Lines
Department of Supervision

Operation Division
Water Distribution & Transmission Lines
Water Treatment Plants & Desalination
Wastewater Treatment Plants
Patrolling & Inspecting Water Resources
Maintenance, EM & PM
Supply of Equipment & Chemicals

Technical Services
Structural Design
Estimation
Contracts
Architecture & Drawing
Rock & Soil Mechanics
Invoicing Contracts

Site Supervision
Head Supervision of Regions 1 to 7
Supreme Oversight Committee
Electromechanical
HSE & Environmental studies
Surveying & GIS

CEO Message
I am Dr. Mohamadreza Mohamadi and it is my privilege to represent Ray Ab Consulting Engineers.
With over 40 years of experience in the study, design, and oversight of water and wastewater industry projects, our company has established itself as a leader in this field. By leveraging advanced technical expertise, skilled professionals, and a proven track record in delivering a variety of projects, we have become a reliable partner for both domestic and international organizations in the sustainable management of water resources.
We firmly believe that access to clean and safe water is a fundamental human right. Therefore, we provide a comprehensive range of services, including preliminary studies, feasibility assessments, design, oversight of project implementation, and operational phases. We ensure meticulous execution of all project stages with a focus on quality, and through our innovative solutions, we help minimize waste, optimize processes, and enhance efficiency across various sectors.

Geographical Map of Projects
Rayab Consulting Engineers
has completed more than 1,300 projects in the water industry across the country.
Water Projects
Wastewater Projects
Dam Projects
Environmental Projects
QA/QC Certificates
Letter of Appreciation
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