Listed by brand, and then price low > high
Spyderco Military, Paramilitary, Gayle Bradley, Southard
Zero Tolerance 0700, 0200, 0550, 0551, 0561
Benchmade Adamas, 581 Barrage
Hogue EX-01, EX-03, EX-02, EX-04
All of those are backed by great warranties, have great fit and finish, are sturdy as all heck, have good steel with good heat treatments, can be used for everything from cleaning nails to hard use to self defense, and can be had for under $200 with most of them running in the $130-150 range.