From the website:
Nuttall designs and manufactures a variety of gearing solutions including vertical and horizontal drives, speed reducers and speed increasers, cast iron and fabricated steel housings and flange mounted and scoop mounted gearmotors. Nuttall can provide entire drive packages including reducer, motor mounted on a bedplate with couplings, coupling guards, backstops, chain and or belt drives, clutches, shoe or disc brakes and auxiliary lubrication consoles.