Manufacture of worked precious stones (precious or fine), except diamants
Manufacture or jewellery items in precious metals, in plated or in common metal covered with precious metals or stones, or in jointing of precious metals and stones
Manufacture of wrist watch strap in precious metals
Manufacture of plate items in precious metals, in plated or in common metal covered with precious metals: flat ware, hollow ware, sets, personal care objects, writing sets, etc.
Engraving of objects in precious metals
Manufacture of costume jewellery and similar items, nor plated, nor covered with precious metals, jewellery items containing artificial stones: artificial precious stones, synthetic diamants, etc.
Wholesale trade of raw diamants and worked diamants
Wholesale trade of other precious and semi-precious stones
Retail trade of watches and other articles of watchmaking
Retail trade of articles of jewellery and gold plate
Retail trade of strings and ropes
Processing of diamonds
Production of imitation jewellery and similar products
Wholesale in clocks and ornaments
Eating houses with a limited service
Repair of clocks and gems
Designing of textile patterns, clothes, gems, furniture and decorative articles
Wholesale in diamonds and other types of gems
Retail trade in clocks and gems in specialised shops
Eating houses with complete service
Processing of jewels (with the exception of diamonds) and of semi-precious stones
Production of wrought iron work
Production of other types of products made of precious metals