headquarters porvoo finland key people ari virtanen ceo products electrical systems and supplies revenue 263 million 2015 number of employees 1 600 website ensto.com ensto is a cleantech company specializing in electrical systems and supplies for the distribution of electrical power as well as electrical applications . ensto manufactures e.g. electric heaters ventilation systems control systems electric vehicle charging systems accessories for overhead line and underground cable networks and enclosing systems . ensto is a family business established by ensio miettinen in 1958 . since 2001 it is owned by his four descendants family through the parent company em group . the headquarters of ensto is in porvoo finland where the company was founded . external links edit wikimedia commons has media related to ensto . ensto website enervent part of ensto group em group ensto s parent company ensto is a member of cleantech finland retrieved from https en.wikipedia.org w index.php title ensto & oldid 726132699 categories manufacturing companies of finlandhidden categories commons category with local link same as on wikidata navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent eventsrandom articledonate to wikipediawikipedia store interaction helpabout wikipediacommunity portalrecent changescontact page tools what links hererelated changesupload filespecial pagespermanent linkpage informationwikidata itemcite this page print export create a bookdownload as pdfprintable version in other projects wikimedia commons languages suomi edit links this page was last modified on 20 june 2016 at 07 06 . text is available under the creative commons attribution sharealike license ; additional terms may apply . by using this site you agree to the terms of use and privacy policy . wikipedia is a registered trademark of the wikimedia foundation inc. a non profit organization . privacy policy about wikipedia disclaimers contact wikipedia developers cookie statement mobile view