... In this study, there are 10 hypotheses to test according to Figure ( Obrenovic and Qin 2014) agree with the results of this study so, if the CEOs and directors of these tourism companies support and develop it, the result will be an active participation from the employees in knowledge sharing. Moreover, the enabling social factors that influence the adoption of knowledge sharing that were determined by previous researches of (Hedlund and Nonaka, 1993;Nonaka, 1994;Mayer, Davis, and Schoorman, 1995;Mishra, 1996;Hall, 2001;Bock et al., 2005;Tiwana and Bush, 2005;Kim and Lee, 2006;Tan, Lim and Ng, 2009;Ling 2011;Carneiro, 2010;Goffee and Jones, 2009;Yiu and Law, 2012;Obrenovic and Qin, 2014) agree with the findings of this study. Furthermore, the organizational factors influencing knowledge sharing adoption that has been identified by previous researches of (Eisenberger, et al.,1997;O'Dell and Grayson, 1998;Govindarajan, 2000;Gupta and McDermott and O'Dell, 2001;Goh ,2002;Sharratt and Usoro, 2003;Kim and Lee, 2006;Lin, 2007;Cheng, et al.,2009;Cheng, HO, and Lau, 2009;Goffee and Jones, 2009;Lim and Ng, 2009;Carneiro, 2010;Tan, Ling, 2011;Obrenovic and Qin, 2014) agree with the results of this study. ...