Various guilds and brotherhoods have a presence at the Cathedral. By way of example:
Business Association of Electrical Installers, Plumbers and Similar of Barcelona
Who have their patroness - Our Lady of the Light - in a chapel of the Cloister. [Web] The first Saturday of every month (barring holidays) a Mass is held for their deceased members.
The feast day is on 2 February.
Brotherhood of Master Carpenters of Barcelona
Who have their patron - Saint Joseph - in chapels in the ambulatory of the Cathedral and in the Cloister.
The feast day is on 19 March
Brotherhood of Saint Mark Evangelist, of Master Shoemakers of Barcelona
With their chapel in the Cathedral.
The feast day is celebrated around 25 April
Brotherhood of the former Guild of Master Rugmakers
Who have their patron - Saint Bernard of Siena - in a chapel of the Cathedral.
The feast day is celebrated around 20 May
Guild of Locksmiths of Barcelona
Venerate their patron San Eligius, bishop, in a chapel in the Cloister.
They make a floral offering on the feast day on 1 December
Our Lady of Lourdes Hospitality of Barcelona, Saint Feliu de Llobregat and Terrassa
And responsible for their chapel, located in the Cloister.
The feast day is held on 11 February, with a Mass, rosary and a torch-lit procession