The rules governing the use of this registration certify that a business has met stringent criteria for their knowledge and experience in the use of steel in one of the following areas:
- Architectural - exterior and interior use of stainless steel in buildings, usually an integral part of the building and made specifically for it.
- Food, Dairy and Beverage - equipment for processing of goods for human consumption
- Heavy Industrial - typical stainless steel thickness 3mm and more
- Light Commercial - typical stainless steel thickness 3mm and less