• KAIA KAIA King Abdulaziz International Airport Desalination Plant, Jeddah

Haji Abdullah Alireza & Co. Integrated Services Ltd.




During its presence in the Kingdom of Saudi Arabia, Haji Abdullah Alireza & Co. Integrated Services Ltd. (HAAISCO) has Managed, Operated, and Maintained, Industrial Waste Water Treatment Plants, Industrial Infrastructure, Sea Water Desalination Plants - Reverse Osmosis - Multi Effect Distillation - Multi Stage Flash Distillation.


Prior to the operational stages of the projects HAAISCO assumes a leading role as a main Developer and Financer. Utilizing accumulated multi-discipline and multi-role expertise, HAAISCO aims to focus on the following business sectors:

  • Operation and Maintenance of Water Treatment & Industrial Facilities including Desalination Plants, Industrial & Domestic Waste Water Treatment Plants, and General Utilities.
  • Providing engineered solutions to complex industrial wastewater treatment facilities, particularly those of multi stream treatment in the oil and gas industry and industrial cities.


HAAISCO is committed to actively participate in the development of Saudi Arabia and the Region and grow their core business sectors.



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