nternational Surface Preparation (ISP) is a distributor and manufacturer of centrifugal wheelblast, airblast, descaling, peening, and deburring systems, as well as abrasives, diamond blades, and other accessories used to prepare and finish floors and other surfaces. ISP's products are used by builders, manufacturers of medical implant devices, petrochemical refineries, railroad rolling stock manufacturers, and shipyards. ISP company, which grew from the merger of several surface preparation companies, operates nine sales, service, and distribution centers in Canada and the southern US.