Can anyone help in listing TOP 25 furniture companies in USA ?

Google it, this isn't something people keep track of, if this is homework Google what your looking for, I found it in 5 seconds.

I agree with the above answer. Plus it depends on what they are in the top 25 for. Profit, durability, output, quality, etc.

If it concerns quality, then I don't know if there is a way to determine the top 25 best ones. Some of the best ones may be only small outfits existing only in certain locations and it may not be possible to find them on any web search.

So, I would say that it is best to just go shopping around and compare how the furniture is constructed. I look for things to be sturdy, beautiful and not showing sloppy workmanship in any way.