This study was aimed at determining the effect of transactional leadership style on organizational commitment as moderated by employee participation in technical institutions in Kenya. This study was conducted in 47 technical institutions in Kenya. The population comprised of 3114 lecturers while 343 respondents made up the sample. The sampling techniques used to get the sample were multistage sampling, stratified sampling and simple random sampling. Data analysis was done using descriptive statistics and multiple regression. The results indicated that transactional leadership style had a significant effect on organizational commitment and its three dimensions. In addition, the results showed that employee participation did not have a moderating effect on the relationship between transactional leadership style and organizational commitment and its dimensions.