Are there any large (non-experimental) civil or military aircraft that use electromechanical actuators (EMA), other than the Boeing 787?
Electromechanical Actuators are used in many aircraft, and in many applications. Applications vary from controlling doors, trims, control surfaces, flaps and air inlets to moving your business class seat to the most comfortable position.
For quite a range of examples see the product website of this manufacturer.
Or this video of an aileron application