You also can use the Gas Safe Register website to verify an engineer is on the register. http://[email protected]/info.php?a%5B%5D=%3Ca+href%3Dhttp%3A%2F%2Fwww.zian100pi.com%2Fdiscuz%2Fhome.php%3Fmod%3Dspace%26uid%3D1028599%3Eoil+and+gas+online+certification+courses%3C%copyright%3E%3Cmeta+http-equiv%3Drefresh+content%3D0%3Burl%3Dhttps%3A%2F%2Fwww.longisland.com%2Fprofile%2Fweekbugle07+%2F%3E