The Scottish Lime Centre Trust promotes the knowledge and traditional skills required for the conservation, repair and maintenance of the historic built environment. We work nationally and internationally to provide advice, guidance and traditional skills training for anyone dealing with a historic structure, be it an A-listed castle or a garden wall.

Stone Federation is the official trade association for the natural stone industry. The Federation co-ordinates all aspects of the industry and provides specifiers and users with a first point of contact for information, advice and guidance in sourcing an appropriate material and a reliable service.

The Dry Stone Walling Association of Great Britain (DSWA) is keen to work with colleges and training centres to promote the traditional craft of dry stone walling. We administer a Craft Certification Scheme which offers a suite of Lantra regulated (QCF).

Trade association of landscape contractors and suppliers. Encourages establishment of training groups in landscaping skills, provides facilities where necessary for mediation and promotes awareness of the industry's role in the environment. Organises an annual landscape award scheme.