Choose from our extensive line of emission control solutions across the following business sectors:
GESi’s proven three-way catalytic converter technology supports diesel, natural gas, biogas, and alternative fuel engines used in power generation, CHP systems, and natural gas compression. Trusted by OEMs with EPA-certified engines, oil & gas, mining operations, and stationary engine distributors.
GESi provides MSHA-certified emissions control for underground mining and off-road equipment. We offer custom and aftermarket solutions to meet strict emissions regulations for construction, agriculture, and industrial operations.