diff --git a/startup_scripts/140_cluster_types.py b/startup_scripts/130_cluster_types.py
similarity index 100%
rename from startup_scripts/140_cluster_types.py
rename to startup_scripts/130_cluster_types.py
diff --git a/startup_scripts/135_cluster_groups.py b/startup_scripts/135_cluster_groups.py
new file mode 100644
index 0000000..b52518a
--- /dev/null
+++ b/startup_scripts/135_cluster_groups.py
@@ -0,0 +1,14 @@
+from virtualization.models import ClusterGroup
+from startup_script_utils import load_yaml
+import sys
+
+cluster_groups = load_yaml('/opt/netbox/initializers/cluster_groups.yml')
+
+if cluster_groups is None:
+  sys.exit()
+
+for params in cluster_groups:
+  cluster_group, created = ClusterGroup.objects.get_or_create(**params)
+
+  if created:
+    print("🗄️ Created Cluster Group", cluster_group.name)
diff --git a/startup_scripts/170_clusters.py b/startup_scripts/135_clusters.py
similarity index 100%
rename from startup_scripts/170_clusters.py
rename to startup_scripts/135_clusters.py
diff --git a/startup_scripts/140_clusters.py b/startup_scripts/140_clusters.py
new file mode 100644
index 0000000..85e462f
--- /dev/null
+++ b/startup_scripts/140_clusters.py
@@ -0,0 +1,44 @@
+import sys
+
+from dcim.models import Site
+from startup_script_utils import *
+from virtualization.models import Cluster, ClusterType, ClusterGroup
+from tenancy.models import Tenant
+
+clusters = load_yaml('/opt/netbox/initializers/clusters.yml')
+
+if clusters is None:
+  sys.exit()
+
+required_assocs = {
+  'type': (ClusterType, 'name')
+}
+
+optional_assocs = {
+  'site': (Site, 'name'),
+  'group': (ClusterGroup, 'name'),
+  'tenant': (Tenant, 'name')
+}
+
+for params in clusters:
+  custom_field_data = pop_custom_fields(params)
+
+  for assoc, details in required_assocs.items():
+    model, field = details
+    query = { field: params.pop(assoc) }
+
+    params[assoc] = model.objects.get(**query)
+
+  for assoc, details in optional_assocs.items():
+    if assoc in params:
+      model, field = details
+      query = { field: params.pop(assoc) }
+
+      params[assoc] = model.objects.get(**query)
+
+  cluster, created = Cluster.objects.get_or_create(**params)
+
+  if created:
+    set_custom_fields_values(cluster, custom_field_data)
+
+    print("🗄️ Created cluster", cluster.name)
diff --git a/startup_scripts/130_devices.py b/startup_scripts/140_devices.py
similarity index 100%
rename from startup_scripts/130_devices.py
rename to startup_scripts/140_devices.py
diff --git a/startup_scripts/145_devices.py b/startup_scripts/145_devices.py
new file mode 100644
index 0000000..d73fd07
--- /dev/null
+++ b/startup_scripts/145_devices.py
@@ -0,0 +1,51 @@
+import sys
+
+from dcim.models import Site, Rack, DeviceRole, DeviceType, Device, Platform
+from startup_script_utils import *
+from tenancy.models import Tenant
+from virtualization.models import Cluster
+
+devices = load_yaml('/opt/netbox/initializers/devices.yml')
+
+if devices is None:
+  sys.exit()
+
+required_assocs = {
+  'device_role': (DeviceRole, 'name'),
+  'device_type': (DeviceType, 'model'),
+  'site': (Site, 'name')
+}
+
+optional_assocs = {
+  'tenant': (Tenant, 'name'),
+  'platform': (Platform, 'name'),
+  'rack': (Rack, 'name'),
+  'cluster': (Cluster, 'name')
+}
+
+for params in devices:
+  custom_field_data = pop_custom_fields(params)
+
+  # primary ips are handled later in `270_primary_ips.py`
+  params.pop('primary_ip4', None)
+  params.pop('primary_ip6', None)
+
+  for assoc, details in required_assocs.items():
+    model, field = details
+    query = { field: params.pop(assoc) }
+
+    params[assoc] = model.objects.get(**query)
+
+  for assoc, details in optional_assocs.items():
+    if assoc in params:
+      model, field = details
+      query = { field: params.pop(assoc) }
+
+      params[assoc] = model.objects.get(**query)
+
+  device, created = Device.objects.get_or_create(**params)
+
+  if created:
+    set_custom_fields_values(device, custom_field_data)
+
+    print("🖥️  Created device", device.name)