diff --git a/src/MDConcPlace.php b/src/MDConcPlace.php
index a4b29be..3dc634f 100644
--- a/src/MDConcPlace.php
+++ b/src/MDConcPlace.php
@@ -56,6 +56,9 @@ final class MDConcPlace implements MDImporterConcordanceListInterface {
 
         // 20: Copied
         // 21: Lived
+
+        'Firmensitz'            => 22,
+
         // 25: Commissioned
 
         // 26: Printing
diff --git a/src/MDConcTime.php b/src/MDConcTime.php
index e491323..8b7a89e 100644
--- a/src/MDConcTime.php
+++ b/src/MDConcTime.php
@@ -13,6 +13,9 @@ final class MDConcTime implements MDImporterConcordanceListInterface {
 
     private const TIME_ROLES_TO_EVENT_TYPE = [
 
+        "Hersteller" => 1,
+        "Herstellung" => 1,
+
         # General / not yet (?) categorized
         "Laufzeit" => 24,