public Companies SelectCompanyById(int customerId)
 {
     try
     {
         Companies responseEntitiy;
         using (var repo = new CompaniesRepository())
         {
             responseEntitiy          = repo.SelectedById(customerId);
             responseEntitiy.Vehicles = new VehiclesRepository().SelectAll().Where(x => x.CompanyID.Equals(responseEntitiy.CompanyID)).ToList();
             if (responseEntitiy == null)
             {
                 throw new NullReferenceException("Customer doesnt exists!");
             }
         }
         return(responseEntitiy);
     }
     catch (Exception ex)
     {
         LogHelper.Log(LogTarget.File, ExceptionHelper.ExceptionToString(ex), true);
         throw new Exception("BusinessLogic:CompaniesBusiness::SelectCompanyById::Error occured.", ex);
     }
 }