I don't know how much you want to spend, but look at knives that have S30V steel or even D2 tool steel.

My EDC knives rotate between a Doug Ritter Mk1-mini, Mk4 or a KaBar Dozier Thorn in D2. All sharpen and hold an edge well.
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"Trust in God --and press-check. You cannot ignore danger and call it faith." -Duke