The research “Participation in Solid Waste Management by a Case Study in HGST (Thailand) Co., Ltd” consisted of objectives: 1. To study types and amount of weight in waste each month of H GST. (Thailand) Co., Ltd. 2. To study the existing waste management system in the company's current H GST (Thailand) 3. To add suggestions as a guide in planning practices and waste management company H. GST (Thailand). The population-based study in this study was 382 people samples from for Taro Yamane formula and the data were analyzed by SPSS Version 20 software packages that meet the general status of the respondents.