English to Chinese Tech/Engineering IT (Information Technology) storage

At the other end of the enterprise scale small businesses (SME) could well find cloud-based computing and storage services attractive because it means they don't have to acquire, manage and operate their own IT infrastructure to do those things. It saves them quite a lot of time, enables focus on their core business activities, and saves them money.
At the other end of the enterprise scale small businesses是不是相当于At the other end of the enterprise scale, small businesses？如果是，怎么可以用SME来指代small businesses呢？