As long as your asking "ALL STEEL".......
NAA makes the Guardian 380's and 32's -along with their 32NAA, and 25NAA wildcats. They ARE heavier than similar size synthetic frame guns. This is a turn off to some.
Like W.L. says, Walther has the venerable and oft copied PPK and PPK/s in 380. Bersa makes one of the near clones and it is a reliable gun as well.
From personal experience, the NAA 380, the walther, and the Bersa's conceal well for me in IWB, or "mexican" style.
No experience with CZ's pistols, but I love his shotguns.