diff --git a/bacnet-stack/include/bactext.h b/bacnet-stack/include/bactext.h
index 84d21fa2..0af51f78 100644
--- a/bacnet-stack/include/bactext.h
+++ b/bacnet-stack/include/bactext.h
@@ -68,6 +68,9 @@ extern "C" {
         unsigned index);
     const char *bactext_engineering_unit_name(
         unsigned index);
+    bool bactext_engineering_unit_index(
+        const char *search_name,
+        unsigned *found_index);
     const char *bactext_reject_reason_name(
         unsigned index);
     const char *bactext_abort_reason_name(
diff --git a/bacnet-stack/src/bactext.c b/bacnet-stack/src/bactext.c
index 8d7f586d..f120d681 100644
--- a/bacnet-stack/src/bactext.c
+++ b/bacnet-stack/src/bactext.c
@@ -1334,6 +1334,16 @@ const char *bactext_engineering_unit_name(
         256, ASHRAE_Reserved_String, Vendor_Proprietary_String);
 }
 
+bool bactext_engineering_unit_index(
+    const char *search_name,
+    unsigned *found_index)
+{
+    return indtext_by_istring(
+        bacnet_engineering_unit_names,
+        search_name,
+        found_index);
+}
+
 INDTEXT_DATA bacnet_reject_reason_names[] = {
     {REJECT_REASON_OTHER, "Other"}
     ,