diff --git a/server/AyaNova/models/WorkOrderItemExpense.cs b/server/AyaNova/models/WorkOrderItemExpense.cs
new file mode 100644
index 00000000..3e33622f
--- /dev/null
+++ b/server/AyaNova/models/WorkOrderItemExpense.cs
@@ -0,0 +1,23 @@
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using Newtonsoft.Json;
+
+namespace AyaNova.Models
+{
+    public class WorkOrderItemExpense
+    {
+         public WorkOrderItemExpense()
+        {
+            Tags = new List<string>();
+        }
+        public long Id { get; set; }
+        public uint ConcurrencyToken { get; set; }       
+        public string Notes { get; set; }
+        public string CustomFields { get; set; }
+        public List<string> Tags { get; set; }        
+        [Required]
+        public long WorkOrderItemId { get; set; }         
+        [JsonIgnore]
+        public WorkOrderItem WorkOrderItem { get; set; }
+    }//eoc
+}//eons
diff --git a/server/AyaNova/models/WorkOrderItemLoan.cs b/server/AyaNova/models/WorkOrderItemLoan.cs
new file mode 100644
index 00000000..577ef182
--- /dev/null
+++ b/server/AyaNova/models/WorkOrderItemLoan.cs
@@ -0,0 +1,23 @@
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using Newtonsoft.Json;
+
+namespace AyaNova.Models
+{
+    public class WorkOrderItemLoan
+    {
+         public WorkOrderItemLoan()
+        {
+            Tags = new List<string>();
+        }
+        public long Id { get; set; }
+        public uint ConcurrencyToken { get; set; }       
+        public string Notes { get; set; }
+        public string CustomFields { get; set; }
+        public List<string> Tags { get; set; }        
+        [Required]
+        public long WorkOrderItemId { get; set; }         
+        [JsonIgnore]
+        public WorkOrderItem WorkOrderItem { get; set; }
+    }//eoc
+}//eons
diff --git a/server/AyaNova/models/WorkOrderItemPartRequest.cs b/server/AyaNova/models/WorkOrderItemPartRequest.cs
new file mode 100644
index 00000000..6321a341
--- /dev/null
+++ b/server/AyaNova/models/WorkOrderItemPartRequest.cs
@@ -0,0 +1,23 @@
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using Newtonsoft.Json;
+
+namespace AyaNova.Models
+{
+    public class WorkOrderItemPartRequest
+    {
+        public WorkOrderItemPartRequest()
+        {
+            Tags = new List<string>();
+        }
+        public long Id { get; set; }
+        public uint ConcurrencyToken { get; set; }
+        public string Notes { get; set; }
+        public string CustomFields { get; set; }
+        public List<string> Tags { get; set; }
+        [Required]
+        public long WorkOrderItemId { get; set; }
+        [JsonIgnore]
+        public WorkOrderItem WorkOrderItem { get; set; }
+    }//eoc
+}//eons
diff --git a/server/AyaNova/models/WorkOrderItemScheduledUser.cs b/server/AyaNova/models/WorkOrderItemScheduledUser.cs
new file mode 100644
index 00000000..a3f1ea5c
--- /dev/null
+++ b/server/AyaNova/models/WorkOrderItemScheduledUser.cs
@@ -0,0 +1,23 @@
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using Newtonsoft.Json;
+
+namespace AyaNova.Models
+{
+    public class WorkOrderItemScheduledUser
+    {
+         public WorkOrderItemScheduledUser()
+        {
+            Tags = new List<string>();
+        }
+        public long Id { get; set; }
+        public uint ConcurrencyToken { get; set; }       
+        public string Notes { get; set; }
+        public string CustomFields { get; set; }
+        public List<string> Tags { get; set; }        
+        [Required]
+        public long WorkOrderItemId { get; set; }         
+        [JsonIgnore]
+        public WorkOrderItem WorkOrderItem { get; set; }
+    }//eoc
+}//eons
diff --git a/server/AyaNova/models/WorkOrderItemTask.cs b/server/AyaNova/models/WorkOrderItemTask.cs
new file mode 100644
index 00000000..fb80924e
--- /dev/null
+++ b/server/AyaNova/models/WorkOrderItemTask.cs
@@ -0,0 +1,23 @@
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using Newtonsoft.Json;
+
+namespace AyaNova.Models
+{
+    public class WorkOrderItemTask
+    {
+         public WorkOrderItemTask()
+        {
+            Tags = new List<string>();
+        }
+        public long Id { get; set; }
+        public uint ConcurrencyToken { get; set; }       
+        public string Notes { get; set; }
+        public string CustomFields { get; set; }
+        public List<string> Tags { get; set; }        
+        [Required]
+        public long WorkOrderItemId { get; set; }         
+        [JsonIgnore]
+        public WorkOrderItem WorkOrderItem { get; set; }
+    }//eoc
+}//eons
diff --git a/server/AyaNova/models/WorkOrderItemTravel.cs b/server/AyaNova/models/WorkOrderItemTravel.cs
new file mode 100644
index 00000000..76692bfa
--- /dev/null
+++ b/server/AyaNova/models/WorkOrderItemTravel.cs
@@ -0,0 +1,23 @@
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using Newtonsoft.Json;
+
+namespace AyaNova.Models
+{
+    public class WorkOrderItemTravel
+    {
+         public WorkOrderItemTravel()
+        {
+            Tags = new List<string>();
+        }
+        public long Id { get; set; }
+        public uint ConcurrencyToken { get; set; }       
+        public string Notes { get; set; }
+        public string CustomFields { get; set; }
+        public List<string> Tags { get; set; }        
+        [Required]
+        public long WorkOrderItemId { get; set; }         
+        [JsonIgnore]
+        public WorkOrderItem WorkOrderItem { get; set; }
+    }//eoc
+}//eons
diff --git a/server/AyaNova/models/WorkOrderItemUnit.cs b/server/AyaNova/models/WorkOrderItemUnit.cs
new file mode 100644
index 00000000..ef06c053
--- /dev/null
+++ b/server/AyaNova/models/WorkOrderItemUnit.cs
@@ -0,0 +1,23 @@
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using Newtonsoft.Json;
+
+namespace AyaNova.Models
+{
+    public class WorkOrderItemUnit
+    {
+         public WorkOrderItemUnit()
+        {
+            Tags = new List<string>();
+        }
+        public long Id { get; set; }
+        public uint ConcurrencyToken { get; set; }       
+        public string Notes { get; set; }
+        public string CustomFields { get; set; }
+        public List<string> Tags { get; set; }        
+        [Required]
+        public long WorkOrderItemId { get; set; }         
+        [JsonIgnore]
+        public WorkOrderItem WorkOrderItem { get; set; }
+    }//eoc
+}//eons