please help improve this article by adding citations to reliable sources . unsourced material may be challenged and removed . april 2013 learn how and when to remove this template message exfo type public nasdaq exfo tsx exf industry telecommunications founded 1985 headquarters quebec city quebec canada key people germain lamonde president and ceo products network testing optical transport datacom copper xdsl ip triple play r & d and manufacturing testing 3g lte optical transport datacom ims voip service assurance monitoring systems for voice video data and mobile services revenue 269.7 million usd 2011 net income 22.1 million usd 2011 number of employees 1600 2012 website www.exfo.com exfo is a company that designs and manufactures test instruments and service assurance products for fixed and mobile telecom networks . its products include optical transport datacom 3g lte copper xdsl ims and voip test platforms used by network operators and network equipment manufacturers to assess telecom infrastructure and the telecom services carried on it . exfo is headquartered in quebec city canada and has over 1200 employees worldwide . founding edit exfo was founded in 1985 in quebec city canada by germain lamonde and robert tremblay . its original products were portable testing products for optical networks . in 1996 exfo started designing products for optical component and optical system research and development and manufacturing . the company has since added 3g lte protocol copper xdsl ims and voip test and service assurance products mainly through acquisitions . references edit external links edit official website retrieved from https en.wikipedia.org w index.php title exfo & oldid 739523588 categories companies listed on the toronto stock exchangetelecommunications companies of canadacompanies based in quebec citycompanies listed on nasdaqhidden categories articles lacking sources from april 2013all articles lacking sources 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 languages add links this page was last modified on 15 september 2016 at 05 32 . 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