The Government's being warned that a shortage of firefighters in Dublin is putting lives at risk.
Members of the fire brigade joined more than a thousand emergency service workers, including firefighters, marched on Dublin's O'Connell Street to highlight the importance of their work.
The parade is one of a number of events taking place to mark National Frontline Services Day.
SIPTU says there is an unacceptable level of risk due to severe understaffing in the force and their members have voted for industrial action - up to and including a strike.
Members of Ambulance and Fire Services, RNLI and Civil Defenceand An Garda Síochana from 18 separate groups from around the country took part in the second annual parade.
Organiser Seamus O'Neill says it is an opportunity to show appreciation for the work they do:
The parade traveled from the Garden of Remembrance to Trinity College, where there will be an open day of Frontline Services displays.
