Wallers (dry stone wall contractors) who are professional members of The Stone Trust are shown on the interactive map below.   Clicking the pin will take you to their member page where you can learn more about their business and see photos of their work.  You can also access the professional member pages using the links organized by state/province.  Additional certified wallers in North America who are not professional members of the Stone Trust are listed on our Find A Dry Stone Contractor page.

If you don’t see any certified wallers in your area, many wallers do travel widely for projects.  Use our free project referral service to notify our professional members of your project.   Also check out our standard specifications for dry stone walls.  Use of these specifications will help ensure a high quality result.

Dry Stone Wall Contractor Map

Click pins to view the profiles of professional members:

The DSWA-GB certifies wallers at four levels:

Level 1 (Initial) have demonstrated their ability to rebuild gaps in free-standing dry stone walls.
This certificate is usually obtained part way through training.

Level 2 (Intermediate) have demonstrated their ability to construct a sound, free-standing dry stone wall.
This includes a wall end (a.k.a. cheekend, wall head).

Level 3 (Advanced) have a proven ability to build walls with an emphasis on finish and quality.
This includes construction of retaining walls, curves and work on sloping ground.

Level 4 (Master Craftsmen) have a proven ability to produce quality work to a very high standard in a variety of commercial conditions.
This includes the construction of a full range of features such as steps, stiles, sheep holes, pillars, arches, etc.