diff --git a/application/ADBWohneinheit/ADBWohneinheitModel.php b/application/ADBWohneinheit/ADBWohneinheitModel.php
index 8d49c0ce9..f4aa5d092 100644
--- a/application/ADBWohneinheit/ADBWohneinheitModel.php
+++ b/application/ADBWohneinheit/ADBWohneinheitModel.php
@@ -297,11 +297,11 @@ class ADBWohneinheitModel {
         $db = FronkDB::singleton(ADDRESSDB_DBHOST, ADDRESSDB_DBUSER, ADDRESSDB_DBPASS, ADDRESSDB_DBNAME)->link;
         $where = self::getSqlFilter($filter);
 
-        $sql = "SELECT Wohneinheit.extref, COUNT(*) as count, Hausnummer.netzgebiet_id as netzgebiet_id
+        $sql = "SELECT Wohneinheit.extref, COUNT(*) as count, Hausnummer.netzgebiet_id as netzgebiet_id, Netzgebiet.name as netzgebiet_name
             FROM Wohneinheit
             LEFT JOIN Hausnummer ON (Hausnummer.id = Wohneinheit.hausnummer_id)
                                  LEFT JOIN Netzgebiet ON (Netzgebiet.id = Hausnummer.netzgebiet_id)
-            WHERE $where AND Wohneinheit.extref IS NOT NULL AND Netzgebiet.name NOT LIKE 'SBIDI%' AND Netzgebiet.name NOT LIKE 'Liezen%'
+            WHERE $where AND Wohneinheit.extref IS NOT NULL AND Netzgebiet.name NOT LIKE 'SBIDI%'
             GROUP BY Wohneinheit.extref, Hausnummer.netzgebiet_id
             HAVING COUNT(*) > 1
             ORDER BY COUNT(*) DESC";
@@ -315,6 +315,7 @@ class ADBWohneinheitModel {
                 "duplicateType" => "extref",
                 'extref' => $data['extref'],
                 'netzgebiet_id' => $data['netzgebiet_id'],
+                'netzgebiet_owner' => strstr($data['netzgebiet_name'], 'Liezen') ? 'RML' : 'ESTMK',
                 'count' => $data['count'],
                 'homeData' => []
             ];
@@ -358,11 +359,11 @@ class ADBWohneinheitModel {
         $db = FronkDB::singleton(ADDRESSDB_DBHOST, ADDRESSDB_DBUSER, ADDRESSDB_DBPASS, ADDRESSDB_DBNAME)->link;
         $where = self::getSqlFilter($filter);
 
-        $sql = "SELECT Wohneinheit.oaid, COUNT(*) as count, Hausnummer.netzgebiet_id as netzgebiet_id
+        $sql = "SELECT Wohneinheit.oaid, COUNT(*) as count, Hausnummer.netzgebiet_id as netzgebiet_id, Netzgebiet.name as netzgebiet_name
         FROM Wohneinheit
         LEFT JOIN Hausnummer ON (Hausnummer.id = Wohneinheit.hausnummer_id)
         LEFT JOIN Netzgebiet ON (Netzgebiet.id = Hausnummer.netzgebiet_id)
-        WHERE $where AND Wohneinheit.oaid IS NOT NULL AND Netzgebiet.name NOT LIKE 'SBIDI%' AND Netzgebiet.name NOT LIKE 'Liezen%'
+        WHERE $where AND Wohneinheit.oaid IS NOT NULL AND Netzgebiet.name NOT LIKE 'SBIDI%'
         GROUP BY Wohneinheit.oaid, Hausnummer.netzgebiet_id
         HAVING COUNT(*) > 1
         ORDER BY COUNT(*) DESC";
@@ -377,6 +378,7 @@ class ADBWohneinheitModel {
                 'oaid' => $data['oaid'],
                 'count' => $data['count'],
                 'netzgebiet_id' => $data['netzgebiet_id'],
+                'netzgebiet_owner' => strstr($data['netzgebiet_name'], 'Liezen') ? 'RML' : 'ESTMK',
                 'homeData' => []
             ];
         }
@@ -419,13 +421,13 @@ class ADBWohneinheitModel {
         $db = FronkDB::singleton(ADDRESSDB_DBHOST, ADDRESSDB_DBUSER, ADDRESSDB_DBPASS, ADDRESSDB_DBNAME)->link;
         $where = self::getSqlFilter($filter);
 
-        $detailSql = "SELECT Wohneinheit.*, thetool.Address.company AS company, Hausnummer.rimo_id AS hausnummer_extref
+        $detailSql = "SELECT Wohneinheit.*, thetool.Address.company AS company, Hausnummer.rimo_id AS hausnummer_extref, Netzgebiet.name AS netzgebiet_name
             FROM Wohneinheit
             LEFT JOIN Hausnummer ON (Hausnummer.id = Wohneinheit.hausnummer_id)
             LEFT JOIN Netzgebiet ON (Netzgebiet.id = Hausnummer.netzgebiet_id)
             LEFT JOIN thetool.Network ON (Network.adb_netzgebiet_id = Netzgebiet.id)
             LEFT JOIN thetool.Address ON (Network.owner_id = Address.id)
-            WHERE $where AND Wohneinheit.rimo_deleted = 1 AND Netzgebiet.name NOT LIKE 'SBIDI%' AND Netzgebiet.name NOT LIKE 'Liezen%'
+            WHERE $where AND Wohneinheit.rimo_deleted = 1 AND Netzgebiet.name NOT LIKE 'SBIDI%'
             ORDER BY Wohneinheit.oaid";
 
         $counter = 0;
@@ -437,6 +439,7 @@ class ADBWohneinheitModel {
                 'oaid' => $homeData['oaid'] ?? 'Keine OAID',
                 'extref' => $homeData['extref'],
                 'netzgebiet_id' => $homeData['netzgebiet_id'],
+                'netzgebiet_owner' => strstr($homeData['netzgebiet_name'], 'Liezen') ? 'RML' : 'ESTMK',
                 'count' => 1, // Each entry is unique in this context
                 'homeData' => []
             ];
diff --git a/public/js/pages/ADBWohneinheitDuplicate/ADBWohneinheitDuplicate.js b/public/js/pages/ADBWohneinheitDuplicate/ADBWohneinheitDuplicate.js
index 5b39c3efb..f08a131e2 100644
--- a/public/js/pages/ADBWohneinheitDuplicate/ADBWohneinheitDuplicate.js
+++ b/public/js/pages/ADBWohneinheitDuplicate/ADBWohneinheitDuplicate.js
@@ -70,13 +70,19 @@ Vue.component('a-d-b-wohneinheit-duplicate', {
                 defaultPageSize: 10,
                 headers: [
                     {text: 'Netzgebiet', key: 'netzgebiet_id', sortable: true, class: 'text-nowrap', priority: 11, filter: 'select', filterOptions: window['TT_CONFIG']['ADB_NETZGEBIETE']},
-                    {text: 'HomeID | OAID', key: 'extref', sortable: true, class: 'text-nowrap', priority: 10},
-                    {text: 'Duplicate Type', key: 'duplicateType', sortable: true, class: 'text-nowrap', priority: 9, filter: 'select', filterOptions: [
+                    {text: 'Firma', key: 'netzgebiet_owner', sortable: true, class: 'text-nowrap', priority: 11, filter: 'select', filterOptions:
+                    [
+                        {text: 'RML', value: 'RML'},
+                        {text: 'ESTMK', value: 'ESTMK'},
+                    ]
+                    },
+                    {text: 'HomeID/OAID', key: 'extref', sortable: true, class: 'text-nowrap', priority: 10},
+                    {text: 'Check-Typ', key: 'duplicateType', sortable: true, class: 'text-nowrap', priority: 9, filter: 'select', filterOptions: [
                         {text: 'HomeID', value: 'extref'},
                             {text: 'OAID', value: 'oaid'},
                             {text: 'RIMO gelöscht', value: 'rimo_deleted'},
                             ]},
-                    {text: 'Anzahl gleicher HomeIDs', key: 'count', sortable: true, class: 'text-center', priority: 8},
+                    {text: 'Anz. HomeIDs', key: 'count', sortable: true, class: 'text-center', priority: 8},
                     {
                         text: 'Home Details',
                         key: 'homeDetails',