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Environmental Solutions Worldwide has three operating divisions:

Skyline Emissions specializes in the design, development, and manufacture of a complete line of aftermarket diesel particulate filters (DPF), diesel oxidation catalysts (DOC), sensors, clamps, and gaskets for heavy-duty and medium-duty on-highway diesel applications.

ESW America is a vehicle and engine emissions testing, certification and verification facility which is recognized by EPA and CARB as capable of performing engine emissions verification and certification test protocols.

ESW manufactures and markets a diverse line of retrofit diesel emission control systems and emission support products and technologies for the goods movement, construction, utility, and other markets.

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