Benefit from implementing energy management system (EnMS) is mostly known in term of energy saving. Other benefits are rarely collected and analyzed to show what enterprise will get from EnMS. This paper analyze from independently and non-government related survey or interview. 25 From 31 food and beverage enterprises in Samutsakorn industrial estate which locate in the middle of Thailand will be an example of well-organized energy management system and large number of this sector in industrial estate held by Industrial Estate Authority of Thailand (IEAT). The most clearly benefit of EnMS is energy saving but not all benefit they could get from. The result about benefit survey from 25 enterprises are knowledge to manage energy related to EnMS (27%), Energy saving awareness (25%), Energy saving (23%), Energy cost reduction (11%), corporate image (7%), Environmental issue related (5%) and Training need management (2%). This will be basic information for organization or related government section to use as creating incentive topic or guideline for promoting to implement EnMS in food and beverage enterprise.