Omnitek Engineering Corp. develops and sells proprietary technology to convert diesel engines to an alternative fuel, natural gas engines, and complementary products in the United States and internationally. The company offers conversion kits for converting diesel engines to run on an alternative fuel, including compressed, liquefied, and renewable natural gas, as well as hydrogen and liquid petroleum gas; natural gas engines and components; and high-pressure natural gas coalescing filters. Its products are used for stationary applications; and the transportation markets, such as light commercial vehicles, buses, and heavy-duty trucks, as well as rail and marine applications. The company sells and delivers its products through its distributors, system integrators, fleet operators, and engine conversion companies, as well as directly to end-users. Omnitek Engineering Corp. was incorporated in 2001 and is headquartered in Vista, California.