The research is to study communication program of the crown property bureau about its effect toward attitude and behavior in participating in social responsible activities. The objectives are to study the knowledge and understanding among the authorities of the Crown Property Bureau about the attitude toward social responsible activities and to study their attitude that affects to behavior of participating in such activities as well as to study communication program of the social responsible activities that affects to attitude and behavior of participating in such activities. This research is collected from 320 authorities of the Crown Property Bureau by Convenience Sampling using structured questionnaire as the tool to collect data. The statistics in this study includes Frequency Percentage Mean and Standard Deviation and inferential statistics are T-test One-way Anova and Multiple Regression Analysis. The result shows that the knowledge understanding and communication program about social responsible activities have positive correlation with behavior of participating in such activities. In other words if the authorities have knowledge and understanding and receive communication about social responsible activities they will have good attitude toward social responsible activities. As a result their behavior is to participate more activities.

The research objective was aimed to investigate social and environmental participations of PTT Public Company Limited personnel under the hypothesis that different personnel’s characteristics yielded different social and environmental participations. The employees’ characteristics were categorized in terms of gender age educational level marital status work position and work tenure. The sample were 274 PTT Public Company Limited. The analysis was generally viewed in four aspects: participation on decision making participation on operation participation on benefits obtained and participation on assessment. The data were analyzed by the computer program package to inquire about the percentage distribution mean and standard deviation; t-test and f-test were applied to observe the difference of the PTT Public Company Limited employees’ opinions on social and environmental participations to obtain 0.05 statistic significance. The study results revealed that the social and environmental participations were in average level. When considered each aspect it was found that the participation on decision making and participation on assessment were low while the participation on operations and participation on benefits obtained were high. Then comparison on the analysis of the differences on characteristics in terms of gender age educational level marital status work position and work tenure disclosed 0.05 statistic significance.