diff --git a/nb-dt-import.py b/nb-dt-import.py
index 844a2c7..49c3997 100755
--- a/nb-dt-import.py
+++ b/nb-dt-import.py
@@ -10,8 +10,9 @@ import os
 import settings
 
 REPO_URL = settings.REPO_URL
+
 parser = argparse.ArgumentParser(description='Import Netbox Device Types')
-parser.add_argument('--vendors', nargs='+',
+parser.add_argument('--vendors', nargs='+', default=settings.VENDORS,
                     help="List of vendors to import eg. apc cisco")
 parser.add_argument('--url', '--git', default=REPO_URL,
                     help="Git URL with valid Device Type YAML files")
diff --git a/settings.py b/settings.py
index 5785129..40e42bd 100644
--- a/settings.py
+++ b/settings.py
@@ -6,6 +6,12 @@ REPO_URL = str(os.getenv("REPO_URL"))
 NETBOX_URL = str(os.getenv("NETBOX_URL"))
 NETBOX_TOKEN = str(os.getenv("NETBOX_TOKEN"))
 
+# optionnally load vendors through a space separated list as env var
+try:
+    VENDORS = os.getenv("VENDORS").split(" ") 
+except AttributeError:
+    VENDORS = None
+
 MANDATORY_ENV_VARS = ["REPO_URL", "NETBOX_URL", "NETBOX_TOKEN"]
 
 for var in MANDATORY_ENV_VARS: