diff --git a/config.py b/config.py
index 67562868..2f569131 100644
--- a/config.py
+++ b/config.py
@@ -72,6 +72,7 @@ ALIASES = {
         "ci": {
             "Circleci": "CircleCI",
             "Travisci": "TravisCI",
+            "Teamcity": "TC",
         },
         "container": {
             "Rkt": "RKT",
diff --git a/diagrams/onprem/ci.py b/diagrams/onprem/ci.py
index 490fcd83..f6302b05 100644
--- a/diagrams/onprem/ci.py
+++ b/diagrams/onprem/ci.py
@@ -16,6 +16,10 @@ class Jenkins(_Ci):
     _icon = "jenkins.png"
 
 
+class Teamcity(_Ci):
+    _icon = "teamcity.png"
+
+
 class Travisci(_Ci):
     _icon = "travisci.png"
 
@@ -24,3 +28,4 @@ class Travisci(_Ci):
 
 CircleCI = Circleci
 TravisCI = Travisci
+TC = Teamcity
diff --git a/docs/nodes/onprem.md b/docs/nodes/onprem.md
index e262d1e2..1458616c 100644
--- a/docs/nodes/onprem.md
+++ b/docs/nodes/onprem.md
@@ -5,6 +5,60 @@ title: OnPrem
 
 Node classes list of onprem provider.
 
+## onprem.gitops
+
+- **diagrams.onprem.gitops.Argocd**, **ArgoCD** (alias)
+
+## onprem.analytics
+
+- **diagrams.onprem.analytics.Beam**
+- **diagrams.onprem.analytics.Flink**
+- **diagrams.onprem.analytics.Hadoop**
+- **diagrams.onprem.analytics.Hive**
+- **diagrams.onprem.analytics.Norikra**
+- **diagrams.onprem.analytics.Spark**
+- **diagrams.onprem.analytics.Storm**
+
+## onprem.security
+
+- **diagrams.onprem.security.Trivy**
+- **diagrams.onprem.security.Vault**
+
+## onprem.monitoring
+
+- **diagrams.onprem.monitoring.Datadog**
+- **diagrams.onprem.monitoring.Grafana**
+- **diagrams.onprem.monitoring.Kibana**
+- **diagrams.onprem.monitoring.Prometheus**
+- **diagrams.onprem.monitoring.Splunk**
+
+## onprem.mlops
+
+- **diagrams.onprem.mlops.Polyaxon**
+
+## onprem.etl
+
+- **diagrams.onprem.etl.Embulk**
+
+## onprem.container
+
+- **diagrams.onprem.container.Docker**
+- **diagrams.onprem.container.Rkt**, **RKT** (alias)
+
+## onprem.iac
+
+- **diagrams.onprem.iac.Terraform**
+
+## onprem.logging
+
+- **diagrams.onprem.logging.Fluentd**
+- **diagrams.onprem.logging.Logstash**, **LogStash** (alias)
+
+## onprem.compute
+
+- **diagrams.onprem.compute.Nomad**
+- **diagrams.onprem.compute.Server**
+
 ## onprem.database
 
 - **diagrams.onprem.database.Cassandra**
@@ -24,24 +78,12 @@ Node classes list of onprem provider.
 - **diagrams.onprem.database.Postgresql**, **PostgreSQL** (alias)
 - **diagrams.onprem.database.Scylla**
 
-## onprem.security
-
-- **diagrams.onprem.security.Trivy**
-- **diagrams.onprem.security.Vault**
-
-## onprem.ci
-
-- **diagrams.onprem.ci.Circleci**, **CircleCI** (alias)
-- **diagrams.onprem.ci.Jenkins**
-- **diagrams.onprem.ci.Travisci**, **TravisCI** (alias)
-
-## onprem.etl
-
-- **diagrams.onprem.etl.Embulk**
-
-## onprem.mlops
+## onprem.workflow
 
-- **diagrams.onprem.mlops.Polyaxon**
+- **diagrams.onprem.workflow.Airflow**
+- **diagrams.onprem.workflow.Digdag**
+- **diagrams.onprem.workflow.Kubeflow**, **KubeFlow** (alias)
+- **diagrams.onprem.workflow.Nifi**, **NiFi** (alias)
 
 ## onprem.network
 
@@ -62,44 +104,12 @@ Node classes list of onprem provider.
 - **diagrams.onprem.network.Vyos**, **VyOS** (alias)
 - **diagrams.onprem.network.Zookeeper**
 
-## onprem.inmemory
-
-- **diagrams.onprem.inmemory.Aerospike**
-- **diagrams.onprem.inmemory.Hazelcast**
-- **diagrams.onprem.inmemory.Memcached**
-- **diagrams.onprem.inmemory.Redis**
-
-## onprem.search
-
-- **diagrams.onprem.search.Elasticsearch**
-- **diagrams.onprem.search.Solr**
-
-## onprem.container
-
-- **diagrams.onprem.container.Docker**
-- **diagrams.onprem.container.Rkt**, **RKT** (alias)
-
-## onprem.iac
-
-- **diagrams.onprem.iac.Terraform**
-
-## onprem.compute
-
-- **diagrams.onprem.compute.Nomad**
-- **diagrams.onprem.compute.Server**
-
-## onprem.vcs
-
-- **diagrams.onprem.vcs.Git**
-- **diagrams.onprem.vcs.Github**
-- **diagrams.onprem.vcs.Gitlab**
-
-## onprem.workflow
+## onprem.ci
 
-- **diagrams.onprem.workflow.Airflow**
-- **diagrams.onprem.workflow.Digdag**
-- **diagrams.onprem.workflow.Kubeflow**, **KubeFlow** (alias)
-- **diagrams.onprem.workflow.Nifi**, **NiFi** (alias)
+- **diagrams.onprem.ci.Circleci**, **CircleCI** (alias)
+- **diagrams.onprem.ci.Jenkins**
+- **diagrams.onprem.ci.Teamcity**, **TC** (alias)
+- **diagrams.onprem.ci.Travisci**, **TravisCI** (alias)
 
 ## onprem.queue
 
@@ -113,35 +123,26 @@ Node classes list of onprem provider.
 
 - **diagrams.onprem.cd.Spinnaker**
 
-## onprem.gitops
+## onprem.search
 
-- **diagrams.onprem.gitops.Argocd**, **ArgoCD** (alias)
+- **diagrams.onprem.search.Elasticsearch**
+- **diagrams.onprem.search.Solr**
 
-## onprem.monitoring
+## onprem.vcs
 
-- **diagrams.onprem.monitoring.Datadog**
-- **diagrams.onprem.monitoring.Grafana**
-- **diagrams.onprem.monitoring.Kibana**
-- **diagrams.onprem.monitoring.Prometheus**
-- **diagrams.onprem.monitoring.Splunk**
+- **diagrams.onprem.vcs.Git**
+- **diagrams.onprem.vcs.Github**
+- **diagrams.onprem.vcs.Gitlab**
+
+## onprem.inmemory
+
+- **diagrams.onprem.inmemory.Aerospike**
+- **diagrams.onprem.inmemory.Hazelcast**
+- **diagrams.onprem.inmemory.Memcached**
+- **diagrams.onprem.inmemory.Redis**
 
 ## onprem.client
 
 - **diagrams.onprem.client.Client**
 - **diagrams.onprem.client.User**
 - **diagrams.onprem.client.Users**
-
-## onprem.logging
-
-- **diagrams.onprem.logging.Fluentd**
-- **diagrams.onprem.logging.Logstash**, **LogStash** (alias)
-
-## onprem.analytics
-
-- **diagrams.onprem.analytics.Beam**
-- **diagrams.onprem.analytics.Flink**
-- **diagrams.onprem.analytics.Hadoop**
-- **diagrams.onprem.analytics.Hive**
-- **diagrams.onprem.analytics.Norikra**
-- **diagrams.onprem.analytics.Spark**
-- **diagrams.onprem.analytics.Storm**
diff --git a/resources/onprem/ci/teamcity.png b/resources/onprem/ci/teamcity.png
new file mode 100644
index 00000000..54e922d1
Binary files /dev/null and b/resources/onprem/ci/teamcity.png differ