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  • Electro Test & Maintenance, Inc.
    Electro Test & Maintenance, Inc.
    605-787-4688
    801 Circle Dr., 57718  Black Hawk

    Electro-Test and Maintenance, Inc offers a wide range of substation maintenance, testing, and commissioning services. Including power transformer assembly and  vacuum / oil handling services. Custom switchboard panel manufacturing, Doble IDD installations, and SCADA/load management installations.