Introduction : ABIRAN CO. has been established since 1977 in Iran as private joint stock company. ABIRAN CO. has participated seriously in many water and wastewater project in Iran. Up to now the company has performed more than 52 water and wastewater projects. The main activities of the company are: Wastewater treatment Wastewater treatment (municipal and industrial) Water desalination Large pump stations Another major activity of the company is manufacturing of mechanical equipment required by the water and wastewater treatment plant. In 1993 ABIRAN CO. singed a cooperation agreement with EUROMAC Co. in Italy. Which led ABIRAN CO. to be a license of EUROMAC in manufacturing of various devices and components of water and wastewater treatment plants, such as chain and rotational scrapers for settling tanks, mechanical bar screen, flocculators and surface aerators and etc. Due to an intelligent planning and collaborative work team, ABIRAN CO. now is a well-known establishment in the field of water and wastewater treatment and is one of the most reliable contractors in Iran. Manufacturing Capabilities : In the workshop of ABIRAN CO. the following equipment and devices are manufacture: Process design of drinking water industrial water & wastewater treatment plants. Design & manufacturing of water & waste- water treatment plant equipment. Design & erection of pump station Design & manufacturing of vertical & horizontal sand filter. Design & start up of electrical panels (Low voltage and control) Design & manufacturing of various types of softeners (automatic & hand operated) Design & supply of chemical feeding systems. Design & supply of chlorination systems (Gases & solution) Design & manufacturing of rotating scraper for settling tank Design & manufacturing of chain scraper for settling tanks Design & manufacturing of traveling bridge scraper Surface aerators, low speed / fiber glass turbine & metal Design & manufacturing of mechanical screen Design & manufacturing of all kinds of flocculators Design & manufacturing of airlift Design & manufacturing of penstocks-hand and motor driven Design & manufacturing of floatation system