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  • National Time & Signal Corporation
    National Time & Signal Corporation
    28045 Oakland Oaks Ct., 48393  Wixom

    Our company began as the successors to the Hahl Pneumatic Clock System of the 1870 ´s, making us the most experienced manufacturers of Master Time Systems, Outdoor Clocks, and Life Safety Systems in America. Three generations and eight decades after the founding of our company, we remain committed …