Rotolinear Systems offers AC brush less servomotors. These are available in range of 0.1- 115 Nm. The standard frame sizes (square) available are 25, 37, 55, 74, 86, 98, and 142, 190, 240.
Shavo Technologies offers a range of air powered gearmotors, available in in line and right angle models.
It is simple and yet powerful is the S series, developed for the pump industry as well as the fan and blower application. Foot and flange mounted, with shaft dimensions to the UNEL standard.
Bonfiglioli Transmissions offers the AS Series in-line helical gearmotors and speed reducers.