Maintenance has been defined as a combination of technical aspects and management acts', such as supervision, intended to maintain objects in a state where they can perform the required function, repairs, and other tasks. On the other hand, the laundry service business is one of the SMEs which is currently growing rapidly along with changes in people's lifestyles in Indonesia. Proper maintenance practices will improve laundry business performance through impact on quality, efficiency, and effectiveness of operations. This research was conducted using direct interviews with the laundry business to catch in-depth analysis about the maintenance implementation. The data is then processed using the Cramer t-test resulting in the analysis that shows only 3 factors are strongly associated with the "Good" level of maintenance implementation, there are Maintenance resources, Maintenance cost, and Failure. While the rest of the maintenance variables are not strongly associated with a "Good" level of maintenance implementation.  It can be concluded that several maintenance variables contribute significantly to the optimum maintenance implementation and several maintenance variables correlate to each other