Water bottles are not labor intensive to manufacture. Plastic, glass and aluminum bottles can be manufactured all over the world. However, there is a supply chain issue with stainless steel. So, most stainless steel water bottles are manufactured in China. Here is a list of companies with notes on the various lines of water bottles not made in China.
Liberty Bottleworks is also an American company. They make aluminum and stainless steel bottles with many design choices. Their aluminum bottles are all made in the USA, but their stainless steel bottles are made in China. The insulated bottles are all made out of stainless steel and are made in China.
Polar is an American company that makes mostly bottles for bikers. They are famous for their insulated plastic water bottles, but they also make some non-insulated bottles. Their bottles are made out of thin, flexible plastic that allows you to squeeze the liquid out. All of their plastic bottles in Colorado, USA
Platipus is also and American company. They make water bottles that are plastic pouches that can be rolled up or folded flat when not being used. When filled with liquid they are able to stand up. It makes for a light and packable bottle. They make all of their plastic bottles in the America.
Polar is an American company that makes mostly bottles for bikers. They are famous for their insulated plastic water bottles. The insulated bottles keep water cold for an hour or two, but are not nearly as good as other methods of insulation. They also cannot hold hot water. Their bottles are made out of thin, flexible plastic that allows you to squeeze the liquid out. All of their plastic bottles in Colorado, USA
Zojuishi is a Japanese company that makes very high quality kitchen appliances such as rice cookers. They also make stainless steel insulated water bottles that are also very good. All of their insulated water bottles are made in Thailand. This makes them the only company to make stainless steel insulated water bottles outside of China.