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Founded in 1942, Hotstart (initially Kimberlin Manufacturing, later Kim Hotstart Inc., and streamlined to Hotstart in 2009) is headquartered in Spokane, Washington. It is a global leader in industrial thermal management, specializing in high-efficiency engine coolant and oil heaters, immersion heaters, battery heating pads, and control systems. These solutions are widely deployed across sectors including standby generator sets, locomotives, marine vessels, heavy machinery, gas compressors, and utility equipment, helping reduce engine wear, fuel usage, emissions, and downtime. With over 200 employees and ISO 9001 certification, Hotstart maintains international manufacturing operations and offices in North America, Europe, and Asia, focusing on reliability and energy efficiency in critical infrastructure systems.