Every year at Nationals USPSA polls the competitors to see what they're running... Production division shooters shot the following (Production div is pretty much "off the shelf" guns, although some minor mods are allowed) That accounts for 94%. The only other brand that I see in semi-regular use by some of the top shooters is Beretta. Production division holsters broke down like this That accounts for 81%. There are so many "boutique" holster makers that list would probably be a mile long if they showed every unique entry. My game holsters are made by TKW.