Who are Americas best custom pool cue makers?

Popular is a subjective Word. There are dozens of Excellent custom pool cue makers in the US, and depending upon what someone is looking for, some are better choices than others for many reasons. So, without listing at least 25 great custom cue makers, this answer is only a starting point, and is not meant to take away from the fantastic work performed by those not mentioned.

If a fine handcrafted cue is wanted without any fancy work, Barringer Cues has been well known for decades, and also Mariposa.

If fancy work is desired, the question now goes to how long do you want to wait and how fancy - Joss, Longoni, Pechauer, Raven, Schon, among many others, can provide the work.

If true artistry is desired, the custom cue maker that works with an artist is needed - pdf StudiOS has been noted for this (several people worked to make the well known $50,000 Hustler cue), Richard Black is another, as is Paul Mottey.

If you want the most popular, you may mean those that have sold the most, but this certainly does not make them better or more popular. Each custom cue maker has their own approach and only a handful can most likely fulfill your needs if you have a specific project in mind.