Shannon Airport was built at a strategic point on the early transatlantic flying route, but with the age of the jet, its fortunes declined.

The agency was responsible for Shannon Free Zone and National Technology Park on which the University of Limerick is located.

In return the company can apply for Enterprise Ireland grant funding through Shannon Development.

Shannon Heritage, a member of the group, is a semi-state commercial body responsible for operating tourist sites including the GPO, and Craggaunowen.

[3] In August 2019 Fingal County Council announced Shannon Heritage were to be appointed to run the Fry Model Railway when it re-opens in addition to Malahide Castle and Demesne which they already operate.