diff --git a/allplan-extensions.json b/allplan-extensions.json
index 03d8e03..7e7b123 100644
--- a/allplan-extensions.json
+++ b/allplan-extensions.json
@@ -186,5 +186,15 @@
             "owner": "AnkeNiedermaier",
             "repo": "eco-balance-public"
         }
+    },
+    {
+        "uuid": "a6767ff0-a1e7-4e5e-8c07-45722dae763f",
+        "name": "US Toolbox",
+        "developer": "ALLPLAN",
+        "description": "US Toolbox",
+        "github": {
+            "owner": "fholz-allplan",
+            "repo": "us-toolbox"
+        }
     }
 ]
diff --git a/plugin-developers.json b/plugin-developers.json
index 9ebdd08..b9fe29a 100644
--- a/plugin-developers.json
+++ b/plugin-developers.json
@@ -53,5 +53,22 @@
                 "fra"
             ]
         }
+    },
+    {
+        "id": "allplan-usa",
+        "name": "ALLPLAN Inc.", 
+        "address": {
+            "street": "8333 Glynoaks Dr",
+            "city": "Lincoln",
+            "zip": "68516",
+            "country": "USA"
+        },
+        "homepage": "https://www.allplan.com/",
+        "support": {
+            "email": "support.us@allplan.com",
+            "languages": [
+                "eng"
+            ]
+        }
     }
 ]