Members shown as 'Master' in this list hold the highest level of Certification issued by the Dry Stone Walling Association of Great Britain.

Craftsman Certification

A summary of the four levels of certification is given below.

MASTER CRAFTSMAN CERTIFICATE HOLDERS	Have a proven ability to produce quality work to a high standard in a variety of commercial conditions including the construction of a full range of features, eg steps, stiles, sheep holes, pillars, arches, etc.
ADVANCED CERTIFICATE HOLDERS	Have a proven ability to build set pieces of work with an emphasis on finish and quality including construction of retaining walls, curves and work on sloping ground.
INTERMEDIATE CERTIFICATE HOLDERS	Have demonstrated their ability to construct a sound, free-standing dry stone wall which includes a cheekend.
INITIAL CERTIFICATE HOLDERS	Have demonstrated their ability to rebuild gaps in free-standing dry stone walls. This certificate is usually obtained part way through training.

Craftsman Work Key

Where provided, each entry also shows a series of letters describing the location and range of work undertaken, which are as follows

A	Works within approx. 20 miles of base
B	Works within approx. 50 miles of base
C	Works within approx. 100 miles of base
D	Works anywhere
G	Holds additional certificate in Galloway Dyking
X	Undertakes work suitable for one person
Y	Undertakes work suitable for two-three people
Z	Undertakes large scale work (written confirmation requested by DSWA that min. £2.5m public liability insurance held)