May 27 -- Post and France Telecom on strike

May 27 -- Air Traffic Control on strike (discussed in another topic)

June 2 -- SNCF strike. Specific trains to be affected will be announced on Sunday (June 1), but the long-distance lines will be targeted.

June 3 -- RATP (metro, RER, bus). Major disruptions, specifics to be announced Sunday evening.

May 26 - June 1 -- Hospital personnel. A minimum service will be provided.

Source: www.lesgreves.com