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Founded in 1977, Siyahkalem Inc. has pursued reliability and consistency in the infrastructure, real estate and construction projects executed domestically and internationally. Siyahkalem, with over 40 years of experience in engineering,energy and enviromental technology sectors, executes all of its projects with the highest environmental, health and safety considerations. Our management philosophy that puts ethics on par with business interests also ensures the environmental and social sustainability of our projects is a natural component of our business process.