Most scissors are made in China because it is cheaper to do so. However, it is not difficult to find ones that are made in other countries. Specifically companies that produce higher quality scissors and shears have no need to manufacture them in China because most of their expense is in materials they use as opposed to labor.
Even with reputable companies and ones that manufacture outside of China, you want to look for quality scissors. The difference between high quality and low quality scissors is that high quality scissors are more comfortable to hold and the sharp edge keeps its sharpness for longer. This means that they need to made out of higher quality metals.
With the below selection of companies, there are two distinct categories of scissors. Ones in the 10-20 dollar range and ones in the 20-60 dollar range. All of them will be high quality, but the more expensive ones will be heavier and will last longer. Their edges will also stay sharper than the less expensive ones. This is due to quality and quantity of metal used.