[1]: 55  Besides Thailand, it markets its products in Nigeria, Ghana, Bhutan, Somalia, Myanmar, Sri Lanka, Malaysia, Cambodia, and Vietnam.

[8] One of them is to "To maintain price level of pharmaceutical products and medical supplies necessary for the Thai society to ensure people's accessibility."

GPO will devote 2.5 percent of its manufacturing capacity to make 42 million efavirenz pills in 2018, allowing it to serve export markets as well as domestic.

In the case of efavirenz, the patent owner, Merck, and the US Trade Representative, for years fiercely resisted allowing the GPO to produce the drug.

The organisation is also seeking approval to build a three billion baht, 1,500-rai (240 ha; 590-acre), herb and marijuana facility in Chonburi Province.

"[citation needed] The government's cabinet of ministers in May 2018 gave the green light to amend the country's drug laws to allow research on medicinal marijuana.