This research was aimed to 1) study the influence of transformational leadership and 2) to investigate the communication styles towards teamwork of academic employees at Aksorn Charoenthat Company Limited. This is descriptive research collecting data through a questionnaire constructed from reviewing relevant documents. 142 Aksorn Charoenthat Company Limited employees responded to the five-scale questionnaire divided into 4 parts with the total of 52 items. The collected data were statistically analyzed by percentage mean (μ) standard deviation (σ 2) multiple regression analysis to test multiple linear regression and Pearson Correlation Coefficients. The results of the hypothesis test on the influence of transformational leadership and communication styles towards teamwork of academic employees at Aksorn Charoenthat Company Limited showed that (1) the correlation coefficient analysis between the leadership and the teamwork were positively related and statistically significant at .01 level; (2) the correlation coefficient analysis between the communication styles with the teamwork of Aksorn Charoenthat Company Limited employees was positively and statistically significant at .01; and (3) the transformational leadership and communication styles influenced the teamwork of Aksorn Charoenthat Company Limited employees statistically significant at .05 (R = .724) and (R = .668).