WorkVenture gives you an inside look at what it's like to work at Siam Makro Pcl., office & team photos, reviews and more. This is the Siam Makro Pcl. Company Page. All content is posted anonymously by employees currently or previously working at Siam Makro Pcl..Apply to Bangkok AirwaysApply to GinjaApply to PremierApply to Telecom Square