Drystane Dyking Services consists of Billy McCallum, a Professional Member of the Dry Stone Walling Association who has actively been involved in the restoration of dykes throughout Scotland since July 2007. The business is based in Angus and is devoted to the restoration and construction of drystane dykes using traditional skills and methods.

Billy McCallum has been involved with the Dry Stone Walling Association (DSWA), College of the Peak, Oatridge College, The National Trust for Scotland (NTS) and the British Conservation Trust Volunteers (BCTV) since 2007; gaining professional qualifications, improving his knowlege and learning the craft of Dyking alongside a selection of Mastercraftsmen throughout the United Kingdom.
Billy McCallum is a Professional Member of the Dry Stone Walling Association holding the DSWA Intermediate Certifcate. A Committee Member at the Central Scotland Branch of the DSWA since 2008 he is actively involved with Branch activities throughout central Scotland. He continues to be a student of College of the Peak in Derbyshire where he is proceeding through the DSWA certification tests gaining further knowledge and experience in his chosen craft.