Publishers beginning with I within the Construction Information Service

• Industry Committee for Emergency Lighting
• Information Commissioner's Office
• Infrastructure and Projects Authority
• Institute for Public Policy Research
• Institute of Acoustics
• Institute of Economic Development
• Institute of Highway Engineers
• Institute of Highway Incorporated Engineers
• Institute of Refrigeration
• Institution of Occupational Safety and Health
• Institution of Structural Engineers
• Insulated Render and Cladding Association
• International Committee on Industrial Chimneys
• International Institute for Environment and Development
• Interpave, Precast Concrete Paving and Kerb Association
• Intumescent Fire Seals Association
• IPPR North
• Ipsos MORI
• IRATA International