Work Performance Motivation of Air Serve Co., Ltd. Employees, Bangkok

The primary purpose of this study is to determine factors of work performance motivation of Air Serve Co., Ltd. employees. The sample was selected from 110 employees of Air Serve Co., Ltd. by using a check list and rating scale as a questionnaire tool. Statistical application for data analysis were percentage, mean, standard deviation, T-test, and One-way Anova. On the basis of results of this study, it can be concluded that most of respondents were males, age between 31-40 years old, operational staff, bachelor degree graduated, and monthly income between 10,000-20,000 baht. The average opinion on factors of work performance motivation was in high level, such as job responsibility, social acceptance, job achievement, career advancement, nature of work, work environment, job security, workers relationship, company policy and management, salary and benefit, quality of work life, and job policy. The hypothesis testing revealed that personal different, such as gender, age, position, and education had no effect on factors of work performance motivation of Air Serve Co., Ltd. employees, but the different of income had effected on factors of work performance motivation of Air Serve Co., Ltd. employees at statistical significant 0.05 level. Recommendations from this study were that administrative officers should plan for employees' career advancement by develop job skill, plan for future career, salary adjustment to match with job responsibilities and current living expenses. Keywords: Factors of Work Motivation Performance of Employees at Isuzu Automobile Parts Manufacture Motor, Samrong Branch, Thailand.