Suppliers: have high bargaining power if the raw materials being supplied are rare or if there are less number of suppliers in the market. So it’s important to hold on the suppliers and maintain good relationship with them. Acting intelligently, companies often maintain more number of suppliers to reduce risk of deserting by anyone. Suppliers of Songkhla Petroleum Terminal including Oil refinery, Oil carrier, Chevlon and PTTEP (Petroleum Thai Exploration and Production Public Company Limited) when an organization has many suppliers for a particular input, it is in a relatively strong bargaining positions with those suppliers and can demand low-cost, high-quality inputs from them. Often an organization can use its power with suppliers to force them to reduce their prices.