High Quality Content by WIKIPEDIA articles! Qualitrol LLC, named after the merge of the words Quality (from Latin qualitas) and Control (from Latin contrarotulus), is a subsidiary of Danaher Corporation. Qualitrol is a global company headquartered in Fairport, New York, United States that provides smart utility asset condition monitoring. Qualitrol delivers partial discharge monitoring, asset protection equipment and information products across electrical generation, transmission and distribution.