This thesis was aimed to compare the demographic factors of employees and organizational commitment and to study the relationship between benefit satisfaction and organizational engagement of Sirikarn Intertrade Company Limited employees. 60 people were the population who responded to the questionnaire. The data collected were analyzed by frequency mean standard deviation hypothesis testing mean t-test and F-test and correlation coefficient (Rho) determined by statistical significance at 0.05 The results of the study revealed that the majority of the respondents were males over the age of 34-41 years old. Most of the respondents’ education were below the bachelors degree 50 percent married and 50 percent single with the work tenure of more than 10 years. The analysis of employee engagement showed that their organizational engagement at Sirikarn Intertrade Company limited in the overall was very high. When considering the individual aspect top three aspects were work desire willingness to dedicate and trustworthiness. When considering overall satisfaction towards Sirikarn Intertrade Company Limited benefits the three highest aspects included safety recreation and bonus and welfare.

The purposes of the study were to investigate Relationship between work environment and work satisfaction at Aurora Design Company Limited. 300 sample employees at Aurora Design Company Limited were selected to response to questionnaire. Computer package software was applied to acquire the values of percentage distribution mean standard deviation and Pearson Correlation Coefficient. It was found that in the aspects of welfare colleagues work security work promotion working hours income wage were significantly related to work satisfaction. In terms of satisfaction on work position advancement and job description perception were interconnected to work satisfaction.

The objectives of this research were (1) To study the Influence of perceived justice on customer trust of Asita Eco Resort (2) To study the Influence of perceived justice and customer trust on customer satisfaction of Asita Eco Resort (3) To study the Influence of customer trust and satisfaction on customer word of mouth of Asita Eco Resort (4) To study the Influence of customer trust and satisfaction on customer revisited of Asita Eco Resort (5) To validate a causal relationship model of influence of perceived justice on trust satisfaction word of mouth and revisited of Asita Eco Resort’s customers.

The objectives of this research were (1) To study the influence of the service quality which consisted of the dimensions of tangible reliability responsiveness assurance and empathy on customer trust; (2) To study the influence of the service quality and customer trust on customer satisfaction; (3) To study the influence of customer trust and satisfaction on the positive word of mouth; (4) To study the influence of customer trust and satisfaction on customer revisit and (5) To validate the causal relationship model of the influence of service quality on trust customer satisfaction customer positive word of mouth and revisit of Rama II Hospital with empirical data. The variables in this investigation consisted of the following; service quality which consisted of the dimensions of (1) tangible; (2) reliability (3) responsiveness (4) assurance and (5) empathy as the independent variable; customer trust and satisfaction as mediating variables and customer positive word of mouth and revisit as dependent variables.

The objectives of this research were (1) to study the influence of marketing mix which consisted of the dimensions of product or service price place and promotion on trust (2) the study the influence of marketing mix and trust on satisfaction (3) to study the influence of trust and satisfaction on loyalty of Siam Commercial Bank Public company Limited (4) to validate a causal relationship model of influence of marketing mix on trust satisfaction and customer loyalty of Siam Commercial Bank Public company Limited with empirical data. The variables in this investigation consisted of the following; marketing mix consist of the dimensions of product or service price place and promotion as the independent variables; trust and satisfaction as mediating variables; and customer loyalty as dependent variable. The researcher used quantitative methods which involved empirical research. The instrument of research was a questionnaire used to collect data form 421 customers of Siam Commercial Bank Public Company Limited Ratchadapisek (Thapra) Area office total 30 branches. The statistics in data analysis were frequency percentage mean standard deviation and structural equation model analysis. It was found the model was consistent with the empirical data. Goodness of fit measures were found to be Chi-square (x2) = 464.207; degree of freedom = 463; p-value = 0.479; Relative Chi-square (x2/ df) =1002; comparative fit index (CFI) = 1000 Standardized Root Mean Square Residual (SRMR) = 0.028; goodness of fit index (GFI) =0.942; adjusted goodness of fit index (AGFI) = 0.917; and Root Mean Square error of Approximation (RMSEA) = 0.002. It was also found that (1) marketing mix in the dimension of Product or service had a positive and direct influence on trust; (2) marketing mix in the dimension of price Had a positive and direct influence on trust; (3) marketing mix in the dimension of place had a positive and direct influence on trust; (4) marketing mix in the dimension of promotion had a positive and direct influence on trust; (5) marketing mix in the dimension of product or service had a positive and direct influence on satisfaction; (6) marketing mix in the dimension of price had a positive and direct influence on satisfaction; (7) marketing mix in the dimension of place had positive and direct influence on satisfaction; (8) marketing mix in the dimension of promotion had a positive and direct influence on satisfaction; (9) trust had positive and direct influence on satisfaction; (10) trust had a positive and direct influence on customer loyalty; and (11) satisfaction had a positive and direct influence customer loyalty. On the basis of these findings the researcher recommends that Branch of Siam Commercial Bank Public Company Limited more fully focus on marketing mix in the dimensions of product or service price place and promotion to deepen trust satisfaction and customer loyalty.