About MECS


   MECS St Louis, MO MECS is the global leader in sulfuric acid process technology and related high performance products custom engineered for acid plant environments. A wide range of complementary and Proprietary technologies for gas heat exchangers and other specialized air pollution control form a diversified and strong business well positioned for serving customers world wide. MECS has built long term relationships throughout the world using strategically positioned local offices, sales reps and agents, joint ventures, licensees and a respected and experienced global supply chain. The history of MECS, Inc. dates back to 1969 when Monsanto Enviro-Chem Systems Inc. was formed as a wholly owned subsidiary of Monsanto Company through a consolidation of several existing process technology, product and services businesses. Some of these businesses were established as early as 1917.
     On August 5, 2005 the management team of Monsanto Enviro-Chem Systems, Inc. completed the purchase of the subsidiary from Monsanto. The name of the company was formally changed to MECS, Inc. at this time.  In January of 2008, MECS was sold to American Securities, a private equity firm based in New York.  Most recently, on December 31, 2010, MECS, Inc. was acquired by E.I. du Pont de Nemours and Company as a wholly-owned subsidiary.

      We are extremely proud of our heritage of nearly 100 years in assisting customers to achieve added value in their process operations.

Leading with technology, engineered to perform, built to last.

    Our current world wide organization consists of personnel in project and product management, process and design engineering, marketing and sales engineering. Our design engineering group includes all necessary disciplines generally required for a Sulfuric Acid Plant or other process related project or technology. We also utilize current state-of-the-art tools such as 3D CAD and CFD. A high percentage of the organization has previous plant operating, maintenance, and/or start-up experience which helps to bring a practical approach to engineering evaluations, trouble-shooting and new technology solutions.  


MECS Quality Policy

    We, the employees of MECS, are committed to achieve customer satisfaction by supplying products and services that always meet or exceed the mutually agreed upon requirements of our customers and co-workers. We will continuously improve our products, services and work processes to add value for our customers, stakeholders and co-workers. We will hold all of our sub-suppliers to these same rigorous standards. We will be held accountable to our customers and our co-workers for conformance to this quality policy at all times.



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