This category lists companies in Leigh that produce products from raw materials and the companies that support them, such as distributors, wholesalers, industrial supply companies and manufacturing representatives. The general types of companies listed here are food processing, aviation, conveyors, electronic, guns, instrumentation, mining, drilling, chemicals and textiles; however, the list is not limited to these industries.

This category includes sites for businesses in Leigh offering products or services related to private motor vehicles, motorcycles and trailers.

This category includes sites for businesses in Leigh offering services related to the procurement of land and buildings.

This category contains retail shopping and consumer goods for sale sites. It may include sites that sell from a location in Leigh and/or on-line whether it be from a shop, shed or house.