ESi is an engineering investigation and analysis firm uniquely positioned to meet the specialized needs of the Defense, Security and Firearms Industries.  Product development, testing, compliance and litigation support, our consultants pair technical expertise with in-depth industry knowledge to deliver leading edge solutions.  With highly qualified personnel and state-of-the-art test facilities, labs, and equipment, ESi provides clients with access to our full range of engineering capabilities, and can assemble the right team to solve complex problems or revolutionize products.  

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