Your specialist consultant in openings solutions

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Our expertise, our precision, and our knowledge constitute the nature of our firm. The success of our approach is the result of a thorough analysis of projects which in turn enhances our know-how. With our professional concern for the evolution of our customer’s needs to the specifics of their respective markets, over the years we have adopted a business strategy based on a personalized approach.

CSO specializes in the specification of doors and frames, as well as in the writing of mechanical and electrical hardware schedules. We cater our business to architectural firms as well as with institutional end users.