This category lists business sites related to computers and the Internet, such as Internet service providers, web design and hosting services, e-commerce developers, network consulting services, companies supplying computers, computer repair and support services, software developers and consultants in High Wycombe.

This category includes sites for businesses related to the construction and maintenance of buildings and structures, including architects, builders, office cleaning and security services and suppliers of materials.

This category includes sites for businesses offering services related to banking, credit, loans, investment and financial planning.

This category lists companies in High Wycombe 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 related to the legal profession, including lawyers, law firms and expert witnesses. Sites related to statutory judicial bodies are listed in Government/Law.

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

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