The results of the tests hypothesis found that company employees of Krung Thai's business leasing co., Ltd. That is sex, marital status, duration of work, different levels, satisfaction at work is different. Krung Thai's business leasing co., Ltd That is age, The level of education, revenue per month, there are differences in satisfaction in doing different tasks. Statistical significant level of 0.05, working with the employees ' satisfaction. Krung Thai Business leasing co., Ltd different