Several. Oakleys, Knucklebusters, Mechanix, Outdoor Research, Wiley X, Hatch...
Suffice to say, I've had a lot of 'em. Most wore out pretty quick, or were unwieldy as shit. I've had a LOT of mechanix gloves, they're hard to beat for the price.
The Knucklebusters are like a copy of a much older Oakley glove, I think... $25 and they last forever, I got a hand-me-down pair that were well over five years old, and they lasted me a good three or four years. Newest set I've had for two, three years, now? They take a bitchin' long time to break in and they're alright for a rifle, but forget shooting a pistol in them, even Oakley Pilot gloves suck ass for handguns.
Hands down, the best gloves for handling a weapon, rifle or pistol, are the Maxiflex Ultimate/Endurance. ~$5 a pair, lots of options for dip coverage, and they are the only glove that is still comfortable when wet.
ETA: SKD PIG gloves, the originals, didn't last for shit. Didn't fit great, either. Heard the FR ones are awesome.
Nomex flight gloves were alright, but tend to fall apart pretty quick. $40 a pair, too.
Tried on a couple pairs of Magpul tech gloves, they seemed decent quality. The Breach gloves are supposed to be pretty damn good, but hard to find, now. I ordered a pair on clearance for $35 last year, but they were never delivered.