diff --git a/commands/modeltypes.go b/commands/modeltypes.go
new file mode 100644
index 0000000..be2294c
--- /dev/null
+++ b/commands/modeltypes.go
@@ -0,0 +1,65 @@
+/*
+ * Portions copyright 2019-present Open Networking Foundation
+ * Original copyright 2019-present Ciena Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package commands
+
+import (
+	flags "github.com/jessevdk/go-flags"
+	"sort"
+)
+
+const (
+	DEFAULT_MODELTYPE_LIST_FORMAT = "{{ . }}"
+)
+
+type ModelTypeList struct {
+	OutputOptions
+}
+
+type ModelTypeOpts struct {
+	List ModelTypeList `command:"list"`
+}
+
+var modelTypeOpts = ModelTypeOpts{}
+
+func RegisterModelTypeCommands(parser *flags.Parser) {
+	parser.AddCommand("modeltype", "model type commands", "Commands to query the types of models", &modelTypeOpts)
+}
+
+func (options *ModelTypeList) Execute(args []string) error {
+	conn, descriptor, err := InitReflectionClient()
+	if err != nil {
+		return err
+	}
+
+	defer conn.Close()
+
+	models, err := GetModelNames(descriptor)
+	if err != nil {
+		return err
+	}
+
+	model_names := []string{}
+	for k := range models {
+		model_names = append(model_names, k)
+	}
+
+	sort.Strings(model_names)
+
+	FormatAndGenerateOutput(&options.OutputOptions, DEFAULT_MODELTYPE_LIST_FORMAT, "", model_names)
+
+	return nil
+}