In alphabetical order: Dynadot, Name.com, Namecheap
(I know that's one more than what you asked for)
Can't edit original post, so: Clarification: "show it as for sale": You will be shown the domain and the price required to register it. The price usually will be much higher than normal registration prices.
I’ve been very happy with Namecheap. The last thread I saw about scummy GoDaddy practices[0] had some discussion about Namecheap where ted0, from Namecheap, weighed in.
[0] https://news.ycombinator.com/item?id=24506303
Can't edit original post, so: Clarification: "show it as for sale": You will be shown the domain and the price required to register it. The price usually will be much higher than normal registration prices.