diff --git a/vpd-tool/include/tool_constants.hpp b/vpd-tool/include/tool_constants.hpp
new file mode 100644
index 0000000..6e89957
--- /dev/null
+++ b/vpd-tool/include/tool_constants.hpp
@@ -0,0 +1,34 @@
+#pragma once
+
+#include <cstdint>
+
+namespace vpd
+{
+namespace constants
+{
+static constexpr auto KEYWORD_SIZE = 2;
+static constexpr auto RECORD_SIZE = 4;
+static constexpr auto INDENTATION = 4;
+static constexpr auto SUCCESS = 0;
+static constexpr auto FAILURE = -1;
+
+// To be explicitly used for string comparison.
+static constexpr auto STR_CMP_SUCCESS = 0;
+
+constexpr auto inventoryManagerService =
+    "xyz.openbmc_project.Inventory.Manager";
+constexpr auto baseInventoryPath = "/xyz/openbmc_project/inventory";
+constexpr auto ipzVpdInfPrefix = "com.ibm.ipzvpd.";
+
+constexpr auto vpdManagerService = "com.ibm.VPD.Manager";
+constexpr auto vpdManagerObjectPath = "/com/ibm/VPD/Manager";
+constexpr auto vpdManagerInfName = "com.ibm.VPD.Manager";
+constexpr auto inventoryItemInf = "xyz.openbmc_project.Inventory.Item";
+constexpr auto kwdVpdInf = "com.ibm.ipzvpd.VINI";
+constexpr auto locationCodeInf = "com.ibm.ipzvpd.Location";
+constexpr auto assetInf = "xyz.openbmc_project.Inventory.Decorator.Asset";
+constexpr auto objectMapperService = "xyz.openbmc_project.ObjectMapper";
+constexpr auto objectMapperObjectPath = "/xyz/openbmc_project/object_mapper";
+constexpr auto objectMapperInfName = "xyz.openbmc_project.ObjectMapper";
+} // namespace constants
+} // namespace vpd