mentioned in…

From BuildZoom: Al Stone Remodeling & Design LLC, 1793 Mapleleaf Rd, Lake Oswego, OR (Owned by: Stone, Alfred) holds a Residential General Contractor license according to the Oregon license board

Their BuildZoom score of 113 ranks in the top 3% of 62,733 Oregon licensed contractors.

Eco roof write up by Dave Dunkak: https://www.portlandoregon.gov/bes/article/511038