"We will have a big events resource, which gives COI more choice," he said.
He said that the successful agencies would be notified by the beginning of December.
Have you pitched for the roster? Register and tell C&IT about your experience.
Hughes is chairing C&IT's conference at Queen Elizabeth II Conference Centre on 8 September.
Tesco, John Lewis, London Fire Brigade, the Law Society, Cancer Research UK, Sledge, Haymarket Media Group and O2 are also speaking at the one-day conference entitled Inject Innovation & Add Value To Ensure Event Quality Survives Budget Cuts.
To register for the conference, which is dedicated to event professionals battling to prove the worth of events in a budget-cut climate, visit www.eventsconference.com