It's impossible to tell from a picture. But you don't really need to know the brand to load them.
If they're 55 grain FMJ, use the data from any of the manuals. Unless you're loading primer cratering maximum, the brand isn't significant for ball type ammo.
(In all likelihood, they're Remington or Winchester.)
For those who have fought for it, freedom has a taste the protected will never know!
Or at least they did before political correctness