Midwest Mezzanine Funds, a private equity firm, and MC Controls, investment company, have acquired a controlling interest in Dorsett Technologies, an industry-leading Supervisory Control and Data Acquisition systems used to monitor, secure and control water, wastewater, stormwater, and energy infrastructures provider. Financial terms were not disclosed. "Over the past six months I have worked closely with Dorsett Technologies' senior management and I am excited to work with that team to accelerate the growth of the company in the controls & automation sector." Mason Miller, MC Controls owner.