diff --git a/bin/pd-send b/bin/pd-send
index 6a7856b6..78b4e234 100755
--- a/bin/pd-send
+++ b/bin/pd-send
@@ -58,6 +58,10 @@ def build_queue_arg_parser(description):
         "-u", "--client-url", dest="client_url",
         help="Client URL"
         )
+    parser.add_argument(
+        "-v", "--vendor", dest="vendor",
+        help="Vendor"
+        )
     parser.add_argument(
         "-f", "--field", action="append", dest="fields",
         help="Add given KEY=VALUE pair to the event details"
@@ -96,7 +100,7 @@ def main():
     incident_key, problems = queue_event(
         enqueuer,
         args.event_type, args.service_key, args.incident_key, args.description,
-        args.client, args.client_url, details,
+        args.client, args.client_url, args.vendor, details,
         agent_config.get_agent_id(), "pd-send",
         )
     if not args.quiet:
diff --git a/pdagent/pdagentutil.py b/pdagent/pdagentutil.py
index 4c7c0304..9f6bd6af 100644
--- a/pdagent/pdagentutil.py
+++ b/pdagent/pdagentutil.py
@@ -68,8 +68,8 @@ def utcnow_isoformat(time_calc=None):
 
 def queue_event(
         enqueuer,
-        event_type, service_key, incident_key, description, client, client_url, details,
-        agent_id, queued_by,
+        event_type, service_key, incident_key, description, client, client_url,
+        vendor, details, agent_id, queued_by,
         ):
     agent_context = {
         "agent_id": agent_id,
@@ -77,7 +77,8 @@ def queue_event(
         "queued_at": utcnow_isoformat()
         }
     event = _build_event_json_str(
-        event_type, service_key, incident_key, description, client, client_url, details,
+        event_type, service_key, incident_key, description, client, client_url,
+        vendor, details,
         agent_context
         )
     _, problems = enqueuer.enqueue(service_key, event)
@@ -97,8 +98,8 @@ def get_stats(queue, service_key):
 
 
 def _build_event_json_str(
-    event_type, service_key, incident_key, description, client, client_url, details,
-    agent_context=None
+    event_type, service_key, incident_key, description, client, client_url,
+    vendor, details, agent_context=None
     ):
     d = {
         "service_key": service_key,
@@ -113,6 +114,8 @@ def _build_event_json_str(
         d["client"] = client
     if client_url is not None:
         d["client_url"] = client_url
+    if vendor is not None:
+        d["vendor"] = vendor
     if agent_context is not None:
         d["agent"] = agent_context
 
diff --git a/pdagenttest/test_sendevent.py b/pdagenttest/test_sendevent.py
index 59fbe9b0..fbaab6b5 100644
--- a/pdagenttest/test_sendevent.py
+++ b/pdagenttest/test_sendevent.py
@@ -56,6 +56,7 @@
     "description": "test",
     "client": "PagerDuty",
     "client_url": "http://www.pagerduty.com",
+    "vendor": "acme",
     "details": {}
     })
 
diff --git a/pdagenttestinteg/test_20_process.sh b/pdagenttestinteg/test_20_process.sh
index 602d7ecb..a6795221 100644
--- a/pdagenttestinteg/test_20_process.sh
+++ b/pdagenttestinteg/test_20_process.sh
@@ -51,7 +51,7 @@ sudo sed -i "s#^\#send_interval_secs.*#send_interval_secs=$SEND_INTERVAL_SECS#"
 # agent must flush out queue when it starts up.
 test_startup() {
   i_key="test1"
-  $BIN_PD_SEND -k $SVC_KEY -t trigger -i $i_key -d "Test incident 1" -f key1=value1 -f key2=subkey=subvalue -c "PagerDuty" -u "https://www.pagerduty.com"
+  $BIN_PD_SEND -k $SVC_KEY -t trigger -i $i_key -d "Test incident 1" -f key1=value1 -f key2=subkey=subvalue -c "PagerDuty" -u "https://www.pagerduty.com" -v "acme"
 
   test $(sudo find $OUTQUEUE_DIR -type f | wc -l) -eq 1
   queued_file=$(sudo find $OUTQUEUE_DIR -type f )