Profile: Air Compressor Technology, Inc. offers remanufactured airends on an exchange basis for electric stationary and portable rotary screw and vane air compressors. We serve several OEM compressor manufacturers as providers of diagnostic services and as remanufacturers of components and complete airend assemblies. We stock OEM and aftermarket drive gear sets for many models of rotary screw compressor packages as well as overhaul kits for most airends.