As indicated by the results, the cement factory has the lowest noise level value (15.58%) among the industries with high noise levels. The cement factory has a 30.76% rate of hearing loss in its process. As can be understood from this result, the workers have refrained from giving correct answers to the questions on their hearing problems due to the factory being a private sector organization. It is very normal to observe that 37.68% of the workers with hearing losses are working at the concrete traverse facto- ry having a maximum noise level of 107 dBA.