homeNews Ferrabyrne attain Railway Industry Supplier Qualification Scheme (RISQS) Posted on Oct 13 2016 Ferrabyrne is now certified as a verified supplier by RISQS, this is in addition to our IRIS & ISO 9001:2008 accreditation. Share this story... Twitter Facebook Google + More Stories Ferrabyrne opens office in China We're recruiting! Dellner Polymer Solutions invests in latest technology to enhance manufacturing capabilities.