diff --git a/Makefile b/Makefile
index 71540495fadb10f39ae422e374aabe13d9569b4b..4ba10c3c7bc10bccd711db284e3f7e85290762c7 100644
--- a/Makefile
+++ b/Makefile
@@ -3344,6 +3344,12 @@ PUBLIC_HEADERS_CXX += \
     include/grpc++/impl/rpc_method.h \
     include/grpc++/impl/rpc_service_method.h \
     include/grpc++/impl/service_type.h \
+    include/grpc++/impl/sync.h \
+    include/grpc++/impl/sync_cxx11.h \
+    include/grpc++/impl/sync_no_cxx11.h \
+    include/grpc++/impl/thd.h \
+    include/grpc++/impl/thd_cxx11.h \
+    include/grpc++/impl/thd_no_cxx11.h \
     include/grpc++/server.h \
     include/grpc++/server_builder.h \
     include/grpc++/server_context.h \
@@ -3595,6 +3601,12 @@ PUBLIC_HEADERS_CXX += \
     include/grpc++/impl/rpc_method.h \
     include/grpc++/impl/rpc_service_method.h \
     include/grpc++/impl/service_type.h \
+    include/grpc++/impl/sync.h \
+    include/grpc++/impl/sync_cxx11.h \
+    include/grpc++/impl/sync_no_cxx11.h \
+    include/grpc++/impl/thd.h \
+    include/grpc++/impl/thd_cxx11.h \
+    include/grpc++/impl/thd_no_cxx11.h \
     include/grpc++/server.h \
     include/grpc++/server_builder.h \
     include/grpc++/server_context.h \
diff --git a/build.json b/build.json
index b45584a8ba3319957c6e82c322a0fe7bf635cf44..0a7b81d5f59bb269c179d14f2791df8bfc80616b 100644
--- a/build.json
+++ b/build.json
@@ -29,6 +29,12 @@
         "include/grpc++/impl/rpc_method.h",
         "include/grpc++/impl/rpc_service_method.h",
         "include/grpc++/impl/service_type.h",
+        "include/grpc++/impl/sync.h",
+        "include/grpc++/impl/sync_cxx11.h",
+        "include/grpc++/impl/sync_no_cxx11.h",
+        "include/grpc++/impl/thd.h",
+        "include/grpc++/impl/thd_cxx11.h",
+        "include/grpc++/impl/thd_no_cxx11.h",
         "include/grpc++/server.h",
         "include/grpc++/server_builder.h",
         "include/grpc++/server_context.h",
diff --git a/vsprojects/vs2010/grpc++.vcxproj b/vsprojects/vs2010/grpc++.vcxproj
index c1795923c732e5894ce7d0b105a47f7bd98a3079..003355eabf8bd76a307cc165e939d6d0cedf6805 100644
--- a/vsprojects/vs2010/grpc++.vcxproj
+++ b/vsprojects/vs2010/grpc++.vcxproj
@@ -93,6 +93,12 @@
     <ClInclude Include="..\..\include\grpc++\impl\rpc_method.h" />
     <ClInclude Include="..\..\include\grpc++\impl\rpc_service_method.h" />
     <ClInclude Include="..\..\include\grpc++\impl\service_type.h" />
+    <ClInclude Include="..\..\include\grpc++\impl\sync.h" />
+    <ClInclude Include="..\..\include\grpc++\impl\sync_cxx11.h" />
+    <ClInclude Include="..\..\include\grpc++\impl\sync_no_cxx11.h" />
+    <ClInclude Include="..\..\include\grpc++\impl\thd.h" />
+    <ClInclude Include="..\..\include\grpc++\impl\thd_cxx11.h" />
+    <ClInclude Include="..\..\include\grpc++\impl\thd_no_cxx11.h" />
     <ClInclude Include="..\..\include\grpc++\server.h" />
     <ClInclude Include="..\..\include\grpc++\server_builder.h" />
     <ClInclude Include="..\..\include\grpc++\server_context.h" />
diff --git a/vsprojects/vs2010/grpc++.vcxproj.filters b/vsprojects/vs2010/grpc++.vcxproj.filters
index 77f53830549a850ca60b626c55845966e69344ef..6466a0fa26e523fe65de1185fb678edabc8e8432 100644
--- a/vsprojects/vs2010/grpc++.vcxproj.filters
+++ b/vsprojects/vs2010/grpc++.vcxproj.filters
@@ -132,6 +132,24 @@
     <ClInclude Include="..\..\include\grpc++\impl\service_type.h">
       <Filter>include\grpc++\impl</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\include\grpc++\impl\sync.h">
+      <Filter>include\grpc++\impl</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\include\grpc++\impl\sync_cxx11.h">
+      <Filter>include\grpc++\impl</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\include\grpc++\impl\sync_no_cxx11.h">
+      <Filter>include\grpc++\impl</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\include\grpc++\impl\thd.h">
+      <Filter>include\grpc++\impl</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\include\grpc++\impl\thd_cxx11.h">
+      <Filter>include\grpc++\impl</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\include\grpc++\impl\thd_no_cxx11.h">
+      <Filter>include\grpc++\impl</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\include\grpc++\server.h">
       <Filter>include\grpc++</Filter>
     </ClInclude>
diff --git a/vsprojects/vs2013/grpc++.vcxproj b/vsprojects/vs2013/grpc++.vcxproj
index b9039c5a8fa48d46b0f25493a5619722e7f70572..dff588166b19712404712373a94c46f8e6fd4c67 100644
--- a/vsprojects/vs2013/grpc++.vcxproj
+++ b/vsprojects/vs2013/grpc++.vcxproj
@@ -95,6 +95,12 @@
     <ClInclude Include="..\..\include\grpc++\impl\rpc_method.h" />
     <ClInclude Include="..\..\include\grpc++\impl\rpc_service_method.h" />
     <ClInclude Include="..\..\include\grpc++\impl\service_type.h" />
+    <ClInclude Include="..\..\include\grpc++\impl\sync.h" />
+    <ClInclude Include="..\..\include\grpc++\impl\sync_cxx11.h" />
+    <ClInclude Include="..\..\include\grpc++\impl\sync_no_cxx11.h" />
+    <ClInclude Include="..\..\include\grpc++\impl\thd.h" />
+    <ClInclude Include="..\..\include\grpc++\impl\thd_cxx11.h" />
+    <ClInclude Include="..\..\include\grpc++\impl\thd_no_cxx11.h" />
     <ClInclude Include="..\..\include\grpc++\server.h" />
     <ClInclude Include="..\..\include\grpc++\server_builder.h" />
     <ClInclude Include="..\..\include\grpc++\server_context.h" />
diff --git a/vsprojects/vs2013/grpc++.vcxproj.filters b/vsprojects/vs2013/grpc++.vcxproj.filters
index 77f53830549a850ca60b626c55845966e69344ef..6466a0fa26e523fe65de1185fb678edabc8e8432 100644
--- a/vsprojects/vs2013/grpc++.vcxproj.filters
+++ b/vsprojects/vs2013/grpc++.vcxproj.filters
@@ -132,6 +132,24 @@
     <ClInclude Include="..\..\include\grpc++\impl\service_type.h">
       <Filter>include\grpc++\impl</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\include\grpc++\impl\sync.h">
+      <Filter>include\grpc++\impl</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\include\grpc++\impl\sync_cxx11.h">
+      <Filter>include\grpc++\impl</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\include\grpc++\impl\sync_no_cxx11.h">
+      <Filter>include\grpc++\impl</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\include\grpc++\impl\thd.h">
+      <Filter>include\grpc++\impl</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\include\grpc++\impl\thd_cxx11.h">
+      <Filter>include\grpc++\impl</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\include\grpc++\impl\thd_no_cxx11.h">
+      <Filter>include\grpc++\impl</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\include\grpc++\server.h">
       <Filter>include\grpc++</Filter>
     </ClInclude>