- IET
- Informa Groupl plc
- ITE Moda
- Koelnmesse
- Latch Events Ltd
- MA Business Media Ltd
- Mash Media Ltd
- Montgomery Exhibitions
- M Squared Media
- QCL Scientific
- Reed Business Information
- Reed Elsevier
- Reed Exhibitions
- Road Transport Media
- Seed Publishing Ltd
- Step Communications Ltd
- Step Exhibitions Ltd
- Stiles Harold Williams
- Tangent Link
- Tarsus Group plc
- William Reed Business Media Ltd
- XpertHR