diff --git a/api/views.py b/api/views.py
index f86fc25fa6..fa55fada56 100644
--- a/api/views.py
+++ b/api/views.py
@@ -2963,6 +2963,7 @@ def get_companies(request):
         {
             "pk": company.pk,
             "title": company.title,
+            "inn": company.inn if isinstance(company, Company) else None
         }
         for company in companies
     ]
diff --git a/l2-frontend/src/construct/ConstructCompany.vue b/l2-frontend/src/construct/ConstructCompany.vue
index a4e2cdb6c6..9064528c0b 100644
--- a/l2-frontend/src/construct/ConstructCompany.vue
+++ b/l2-frontend/src/construct/ConstructCompany.vue
@@ -166,7 +166,7 @@
         <input
           v-model.trim="searchCompany"
           class="form-control nbr search"
-          placeholder="Фильтр по названию..."
+          placeholder="Фильтр по названию|ИНН"
         >
         <div class="scroll">
           <table class="table table-bordered">
@@ -420,9 +420,10 @@ export default {
     filteredCompany() {
       return this.companies.filter(company => {
         const companyTitle = company.title.toLowerCase();
+        const companyInn = company.inn.toLowerCase();
         const searchTerm = this.searchCompany.toLowerCase();
 
-        return companyTitle.includes(searchTerm);
+        return companyTitle.includes(searchTerm) || companyInn.includes(searchTerm);
       });
     },
     filteredDepartments() {