Selby is the centre of a rich agricultural district, and its industries include rope and twine making, flax-scutching, boatbuilding, iron-founding, tanning and brewing.
Malting, brewing and boatbuilding are also carried on.
The chief industries of the place are straw-plaiting, boatbuilding, and the manufacture of pottery; and a considerable traffic is carried on by means of the river.
The principal manufactories are of tobacco, boatbuilding, agricultural implements, foundries and cloth factories.
The industries comprise boatbuilding, rope-making, steam-sawing, distilling and the manufacture of chocolate, machinery and sacks and coarse coverings, and at Margny, a suburb, there are manufactures of chemicals and felt hats.
Aussig has important industries in chemicals, textiles, glass and boatbuilding, and carries on an active trade in coal from the neighbouring mines, stone and stoneware, corn, fruit and wood.
For boatbuilding papyrus stems and acacia wood were employed, and for the best work cedar-wood was imported from Lebanon.
There are iron-works and boatbuilding yards.