Boker makes a lockback hunter in 1095, and slipjoints in both 1095 and 1075
Eye brand Forges a carbon steel for their knives.
Bear & son makes a carbon steel line using 1095, and a more expensive carbon steel damascus line
Kershaw makes CPM D2 knives, as well as carbon steel Damascus
Spyderco made CPM D2 millies and Paramillies. Both discontinued and especially the millie is getting tough to find. Spyderco is soon to be releasing a CPM M4 folder.
Benchmade makes D2, and CPM M4 knives, and used to make M2, which are tough to find now.
This info, combined with the above info on GEC, Queen Case, etc. shows that you should be able to find something you can get along with.
If you wanted to be more specific about blade length, lock type, steel type etc., we might be able to help narrow it down.