Asp.net MVC5 add a value to each item of list in controller

public ActionResult Index()
       {
           var suppliers = db.Suppliers.Include(s => s.tblStatus);
           List<string> sup = new List<string>();
           foreach (var x in suppliers)
           {
               sup.Add(x.Name.ToString());
               sup.Add(x.Address.ToString());
               sup.Add(x.Phone.ToString());
               sup.Add(x.Mobile.ToString());
               sup.Add(x.tblStatus.Status.ToString());
               ViewBag.SupTotalBalance = db.SupTotalBalance(x.SupplierId).SingleOrDefault();
           }
           return View(sup);
       }