diff --git a/MES/Operation-v1.json b/MES/Operation-v1.json
index 8695d70..047d855 100644
--- a/MES/Operation-v1.json
+++ b/MES/Operation-v1.json
@@ -11,6 +11,9 @@
       "type": "string",
       "format": "uuid"
     },
+    "Device_Information": {
+      "$ref": "https://raw.githubusercontent.com/AMRC-FactoryPlus/schemas/main/Common/Device_Information-v1.json"
+    },
     "ActiveNonConformanceNr": {
       "allOf": [
         {
diff --git a/MES/Step-v1.json b/MES/Step-v1.json
index 49bcc95..4d6f0c7 100644
--- a/MES/Step-v1.json
+++ b/MES/Step-v1.json
@@ -11,6 +11,9 @@
       "type": "string",
       "format": "uuid"
     },
+    "Device_Information": {
+      "$ref": "https://raw.githubusercontent.com/AMRC-FactoryPlus/schemas/main/Common/Device_Information-v1.json"
+    },
     "ActualEndTime": {
       "allOf": [
         {
diff --git a/MES/Work_Order-v1.json b/MES/Work_Order-v1.json
index c42b934..6e1dff2 100644
--- a/MES/Work_Order-v1.json
+++ b/MES/Work_Order-v1.json
@@ -11,6 +11,9 @@
       "type": "string",
       "format": "uuid"
     },
+    "Device_Information": {
+      "$ref": "https://raw.githubusercontent.com/AMRC-FactoryPlus/schemas/main/Common/Device_Information-v1.json"
+    },
     "ActualEndTime": {
       "allOf": [
         {