diff --git a/config/services.yaml b/config/services.yaml
index 9b9231d3..71d13a98 100644
--- a/config/services.yaml
+++ b/config/services.yaml
@@ -132,13 +132,13 @@ services:
             - { name: kernel.event_listener, event: kernel.controller, method: onKernelController }
 
     # invoice generator
-    App\Service\InvoiceGenerator\CmbInvoiceGenerator: ~
+    App\Service\InvoiceGenerator\CMBInvoiceGenerator: ~
 
     # invoice generator interface
-    App\Service\InvoiceGeneratorInterface: "@App\\Service\\InvoiceGenerator\\CmbInvoiceGenerator"
+    App\Service\InvoiceGeneratorInterface: "@App\\Service\\InvoiceGenerator\\CMBInvoiceGenerator"
 
     # job order generator
-    App\Service\JobOrderGenerator\CmbJobOrderGenerator: ~
+    App\Service\JobOrderGenerator\CMBJobOrderGenerator: ~
 
     #job order generator interface
-    App\Service\JobOrderGeneratorInterface: "@App\\Service\\JobOrderGenerator\\CmbJobOrderGenerator"
+    App\Service\JobOrderGeneratorInterface: "@App\\Service\\JobOrderGenerator\\CMBJobOrderGenerator"
diff --git a/src/Service/InvoiceGenerator/CmbInvoiceGenerator.php b/src/Service/InvoiceGenerator/CMBInvoiceGenerator.php
similarity index 99%
rename from src/Service/InvoiceGenerator/CmbInvoiceGenerator.php
rename to src/Service/InvoiceGenerator/CMBInvoiceGenerator.php
index 8ea9c74b..00f4cac3 100644
--- a/src/Service/InvoiceGenerator/CmbInvoiceGenerator.php
+++ b/src/Service/InvoiceGenerator/CMBInvoiceGenerator.php
@@ -19,7 +19,7 @@ use App\Service\InvoiceGeneratorInterface;
 
 use Doctrine\Common\Util\Debug;
 
-class CmbInvoiceGenerator implements InvoiceGeneratorInterface
+class CMBInvoiceGenerator implements InvoiceGeneratorInterface
 {
     const TAX_RATE              = 0.00;
     const SERVICE_FEE           = 300;
diff --git a/src/Service/JobOrderGenerator/CmbJobOrderGenerator.php b/src/Service/JobOrderGenerator/CMBJobOrderGenerator.php
similarity index 98%
rename from src/Service/JobOrderGenerator/CmbJobOrderGenerator.php
rename to src/Service/JobOrderGenerator/CMBJobOrderGenerator.php
index 15c8506d..3d01983c 100644
--- a/src/Service/JobOrderGenerator/CmbJobOrderGenerator.php
+++ b/src/Service/JobOrderGenerator/CMBJobOrderGenerator.php
@@ -21,7 +21,7 @@ use App\Service\JobOrderGeneratorInterface;
 
 use DateTime;
 
-class CmbJobOrderGenerator implements JobOrderGeneratorInterface
+class CMBJobOrderGenerator implements JobOrderGeneratorInterface
 {
     protected $em;
     protected $ic;