As a general rule, the heavier the wood (per cubic foot) the better the compression strength. Heaviest woods:
Domestic:
Ironwood (HHB, Desert Ironwood, etc.)
Dogwood (except osier)
Serviceberry
Osage
True Hickory (pignut, mockernut, shagbark)
Oak (live oak, swamp white)
Black Locust
Imports:
Ipe
Bubinga
Bulletwood (Lignumvitae, kaneelhart, etc.)
(many others)