The big ones usually do, but not sure if they offer all as started pullets or only select few breeds. I remember seeing them on Meyer hatchery, but it's pretty common.
My pet chicken doesn't have them as far as I know. I know Cackle Hatchery, Meyers, Murray McMurray, and Chicken Scratch and Poultry. There are only limited breeds. I looked into it as well. They are pricey in my opinion, but it may be worth it based on feed costs and such for baby chicks.