A couple more:
Pennzoil High Mileage 10w30 -30C(-22F)
Chevron/Havoline HM 10w30 -33C(-27F)
I started to list Citgo Ultralife HM, but for some reason, pour point isn't listed on the data sheet even though CCV data is.
Good luck with Castrol. If anyone has Castrol data sheets, I'd be interested in a copy.