The following providers of Information Technology-related products, after-sales support and service, and digital media production have committed to operate within the Network Users' Forum's Code of Practice:

• Alexander Seven Marketing
• Barnsley and Doncaster TEC
• Berkeley PR International
• Bradway Computer Services
• The Business Community Partnership
• Business Link Sheffield
• CITINET
• DART - Disabled Access to Resources in Technology
• DJ Associates
• Doncaster Chamber
• Fenix Internet Limited
• Fretwell-Downing Data Systems
• GB IT Services
• Illuminaries
• John Bramall Associates
• Keeble Hawson Moorhouse
• MCI Worldcom
• Mike Powell
• The Net Effect (Worldwide)
• Newark and Sherwood College
• Nick Robinson
• PCG Systems
• The People Partnership
• School-Net Ltd
• The Sheffield College
• Sheffield First Partnership
• Sheffield Hallam University
• Sheffield Science Park
• Solis- Sheffield Internet
• South Yorkshire Passenger Transport Executive
• Technimode Ltd
• TechnoPhobia
• University for Industry Ltd
• web architects
• Web Technik
• Webcare
• Wired Workplace Company
• Wyse Group PLC
• Yorkshire and Humberside Regional Technology Network
• Zygote Education

Note: as of February 2001 the Network Users' Forum ceased to support a corporate membership scheme.