BLAST MACHINE Brand Contracor® incorporated portable abrasive blasting equipment, manual blast cabinets, safety equipment for abrasive blasting, portable moisture separation equipment and special components related to abrasive blasting and protective coating operations. Brand Comprag® incorporated stationary and portable air compressors, refrigerating and adsorption type dryers, compressed air line filters and separators, reservoirs for compressed air storage, moisture management equipment and pneumatic demolition tools.