[Anguirel]

Very interesting subject, old chap. I haven't my text at hand, but from what I remember, the participants in the War of Wrath on the side of the goodies were:

Eonwe leading a host of Maiar. Eonwe commanded the hosts overall. It was these heavies who caused the drowning of Beleriand.

The entire people of the Vanyar (presumably only the male elves though), led by Ingwe. Possibly made up of the most inexperienced warriors ever, this host would still have been powerful, a large number of Elves with the light of Valinor in their eyes.

The Noldor of Tirion led by Finarfin and perhaps including (we can speculate) the reborn Finrod Felagund.

The Three Houses of the Edain, what was left of them anyway, led by Elrond and Elros.

The Teleri transported the Host but refused to set foot on Middle-earth, remembering the burning of their ships at Losgar

The two remaining sons of Feanor were almost certainly not involved, being too afflicted by guilt. The Valar did not aid in person because of the horrific devastation their intervention would have caused (the drowning of Beleriand was already pretty bad...)