Not quite. Machine guns aside

Swiss gunmakers have long made superb prone and three-position match rifles, mostly their own design conventional turnbolts. Tanner and Grunig u. Elmiger are the ones that immediately come to mind, but there are others. Being Swiss, and having a superb homegrown cartridge to hand, they're chambered in 7.5X55mm naturally unless the purchaser specifies something else for specific disciplines, eg 6BR for ISSC or 7.62 / 308 to be able to compete in cross military or international level matches run under ICFRA regs.
I don't know how many there are here - deep pockets needed - but there will be some I'm sure.