I recently owned a Benchtop Machines. and i according to your specs i would recommend you Jet JMD-18 350018 Benchtop Milling Machine because a 2 horsepower engine is enough for commercial jobs.
It is an ideal choice for anyone who requires power in their benchtop mill.
The Jet JMD-18 comes loaded with such features such as integrated work lamp, easy to read internal depth gauge and lots of easy to control access. You can learn more about its Technical Specifications from this article on Benchtop Milling Machine and you will get good idea about this Jet JMD-18 350018 along with other options.