By all means someone correct if i'm wrong, but I somewhat recall an interview when asked about pet classes they replied they don't plan on having them initially, but that it might be something they add later on. Whether or not they keep to that is up in the air, but I wouldn't dismiss all hope yet.
FFXI: Server Ifrit
Licksthekitty - 68THF/41WHM/37NIN/30BLM/20COR Mithra Retired
WoW: Realm Darkspear
Claybosmash - 80 Orc Warrior Retired
Ipwnrice - 70 Undead Rogue Retired