diff --git a/web-v2/src/lib/inventoryStructureApi.ts b/web-v2/src/lib/inventoryStructureApi.ts
index 3ff41ac..fe48d83 100644
--- a/web-v2/src/lib/inventoryStructureApi.ts
+++ b/web-v2/src/lib/inventoryStructureApi.ts
@@ -22,6 +22,7 @@ export interface InventoryTechnicalValues {
 }
 export interface InventoryStructureLevel { kind:InventoryStructureKind; label:string; type:{id:string;code:string;name:string}; parentKind:InventoryStructureKind|null; requiresFamily:boolean; }
 export interface InventoryStructureOption { id:string; code:string; name:string; }
+export interface InventoryAreaCompanyOption extends InventoryStructureOption { commonName?:string|null; typeName?:string; }
 export interface InventoryStructureOptions {
   independentMasters:InventoryStructureLevel[];
   levels:InventoryStructureLevel[];
@@ -53,6 +54,9 @@ export async function listInventoryStructureParents(kind:InventoryStructureKind,
   const query=new URLSearchParams(); if(search.trim()) query.set('search',search.trim()); const suffix=query.size?`?${query}`:'';
   return (await apiRequest<{data:InventoryStructureParent[]}>(`/inventory-structure/parents/${kind}${suffix}`)).data;
 }
+export async function listCompaniesForInventoryArea(areaId:string){
+  return (await apiRequest<{data:InventoryAreaCompanyOption[]}>(`/asset-operational-relations/areas/${areaId}/companies`)).data;
+}
 export function getInventoryFamilyFindings(familyId:string){return apiRequest<InventoryFamilyFindings>(`/inventory-families/${familyId}/findings`);}
 export function getInventoryFamilyAttributes(familyId:string){return apiRequest<InventoryFamilyAttributes>(`/inventory-families/${familyId}/attributes`);}
 export function getInventoryTechnicalValues(assetId:string){return apiRequest<InventoryTechnicalValues>(`/assets/${assetId}/technical-values`);}