Profile: Southwestern Industries, Inc. offers products for machinist productivity. Our product includes ProtoTRAK™ SLX, TRAK knee mills, TRAK bed mills and TRAK lathes. Our TRAK knee mills with ProtoTRAK EMX features factory-integrated package, two-axis CNC, three-axis DRO, precision CP 7207 spindles bearings and a chromed hardened & ground quill.