The sanitation trailers are built and offered for sale as mobile solutions for the need for toilets, showers and clothes washing. Whether for use in the oil fields or other construction sites these trailers provide sanitary services. For example the clothes trailer specifically organizes space in trailer for stackable appliances. Another example of a sanitary trailer is the trailer with both toilets and sinks and a large built in waste holding tank. Finally, the third example is the trailer with stalls to clean up in showers.