diff --git a/xos/tosca/custom_types/vmme.m4 b/xos/tosca/custom_types/vmme.m4
index ee511ee..217af2d 100644
--- a/xos/tosca/custom_types/vmme.m4
+++ b/xos/tosca/custom_types/vmme.m4
@@ -22,3 +22,19 @@
             VMME Tenant
         properties:
             xos_base_tenant_props
+
+    tosca.nodes.VMMEVendor:
+        derived_from: tosca.nodes.Root
+        description: >
+            VMME Vendor
+        capabilities:
+            xos_bas_service_caps
+        properties:
+            name:
+                type: string
+                required: true
+
+    tosca.relationships.VendorOfTenant:
+           derived_from: tosca.relationships.Root
+           valid_target_types: [ tosca.capabilities.xos.VMMETenant ]
+