TOKYO, Dec 18 (Reuters) - Japan’s Shionogi & Co said on Tuesday that it has applied to health regulators in the United States, Canada and Europe for approval of its HIV drug Dolutegravir. Shionogi developed Dolutegravir with a Viiv Healthcare, an AIDS drug joint venture between GlaxoSmithKline and Pfizer, in exchange for its rights to the drug.

Can we draw the following conclusion?
There are a lot of drug companies in the United States.