diff --git a/plm-api/src/models/Company.js b/plm-api/src/models/Company.js
index 69623de..d4690b5 100644
--- a/plm-api/src/models/Company.js
+++ b/plm-api/src/models/Company.js
@@ -68,6 +68,8 @@ class Company extends Model {
     this.hasMany(models.MaintenanceLog, { foreignKey: "companyId" });
     this.hasMany(models.ApiKey, { foreignKey: "companyId" });
     this.hasMany(models.OemMng, { foreignKey: "companyId" });
+    this.hasMany(models.ProductGroup, { foreignKey: "companyId" });
+    this.hasMany(models.Product, { foreignKey: "companyId" });
   }
 }
 
diff --git a/plm-api/src/models/ProductGroup.js b/plm-api/src/models/ProductGroup.js
index d6c7ce3..d01a93a 100644
--- a/plm-api/src/models/ProductGroup.js
+++ b/plm-api/src/models/ProductGroup.js
@@ -55,6 +55,7 @@ class ProductGroup extends Model {
   static associate(models) {
     // OemMng이 Company에 속함
     this.belongsTo(models.Company, { foreignKey: "companyId" });
+    this.hasMany(models.Product, { foreignKey: "product_group_id" });
   }
 
 }
diff --git a/plm-api/src/services/product.service.js b/plm-api/src/services/product.service.js
index 456958b..8771833 100644
--- a/plm-api/src/services/product.service.js
+++ b/plm-api/src/services/product.service.js
@@ -1,5 +1,6 @@
 const {
   Product,
+  ProductGroup,
   Company,
   Role,
 } = require("../models");
@@ -31,6 +32,10 @@ class productService {
             model: Company,
             attributes: ["id", "name"],
           },
+          {
+            model: ProductGroup,
+            attributes: ["id", "product_group_name"], // 필요한 속성들을 추가하세요
+          },
         ],
         order: [["createdAt", "DESC"]],
         offset,