Well, based upon numbers I have on hand, an easy answer would be Strider, with two MSC and one DDC, plus several standard models. My most-carried, under the most conditions, virtually always with me, however, is a Tarani Masters Model Karambit, from the Karambit.com era, made by Blade-tech.
(I do have more Spydercos than anything else, by far, and do regularly carry several of them, mostly a Civilian, for its intended purpose, and several Rescue variants. I have considered reverting to carrying a Gunting for EDC.)
I also really like Randall knives.
My preferred multi-tool is Victorinox.
Civilians, Dodo, Guntings, Mili, P'kal, Rescues, Ronins, Temperance, others...
Have Colt, will travel.