They are all interlinked. Afghan Taliban -TTP - Al Qaeda - LeT - LeJ - HuJI - JeM. Add to this mix the 'Punjabi Taliban'.
According to counter terrorism experts, these groups have long shared a symbiotic relationship. They support each other, they coordinate with each other, sometimes they compete with each other, and sometimes they even fight each other, making it difficult to distinguish between them.
"Al-Qaeda has assumed a role as mediator and coalition builder among various Pakistani militant group factions by promoting the unification of entities that have opposed one another or had conflicting ideas about whether to target the Pakistani state." – Don Rassler