diff --git a/AstuteSystem/src/main/java/com/astute/service/POService.java b/AstuteSystem/src/main/java/com/astute/service/POService.java
index e453353..5e116bf 100644
--- a/AstuteSystem/src/main/java/com/astute/service/POService.java
+++ b/AstuteSystem/src/main/java/com/astute/service/POService.java
@@ -3,6 +3,7 @@ package com.astute.service;
 import com.astute.exceptions.*;
 import com.astute.model.PO;
 import com.astute.model.PODetail;
+import com.astute.model.ServiceType;
 
 import java.sql.Date;
 import java.sql.SQLException;
@@ -49,6 +50,9 @@ public class POService extends Service{
         getDao().createPODetail(POnum, lineItemNo, serviceDesc, feeTypeId, qty, fee, serviceTypeId, remainingQuantity);
     }
 
+    public List<ServiceType> getServiceTypes() throws AstuteException {
+        return getDao().getServiceTypes();
+    }
 
 
 }