Non metallic mineral products manufacture
- Abrasive products manufacture
- Asbestos products manufacture
- Brick & roof & floor tile production inc associated clay products
- Building materials production industry, general
- Cement, concrete, plaster & lime manufacture
- Cement, concrete, plaster, alabaster & artificial stone products manufacture
- Chert & bone grinding
- Glass products manufacture
- Industrial ceramic products manufacturing inc architectural, decorative, sanitary products
- Sheet inc window glass manufacture
- Stained, enamelled & painted glass products manufacture
- Stone cutting, shaping & engraving
- Tobacco pipe production
- Whetstone & honestone shaping
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