WITH OrganizationsH (OrgParentFK, OrgPK, OrgName, level, Label) AS
(
SELECT OrgParentFK, OrgPK, OrgName, 0, CAST(OrgName AS VARCHAR(MAX)) As Label
FROM Organizations
WHERE OrgParentFK IS NULL
UNION ALL
SELECT o.OrgParentFK, o.OrgPK, o.OrgName, level + 1, CAST(h.Label + '/' + o.OrgName VARCHAR(MAX)) As Label
FROM Organizations o JOIN OrganizationsH h ON o.OrgParentFK = h.OrgPK
)
SELECT OrgParentFK, OrgPK, OrgName, level, Label
FROM OrganizationsH
WHERE OrgPK = 5
h/t til marc_s