Unfortunatly, the floor jack market is fairly small. There are not many companies making floor jacks and those companies make them under various brands that makes buying confusing. It is always important to buy floor jacks of high quality and carefully inspect them after unboxing. If you see sloppy welds, uneven wheels or a lot of play in the handle, return the floor jack immediatly. There are only a handful of companies making floor jacks outside of China.
American Forge and Foundary, often written as AFF is part of SureWerks. AFF manufactures heavy lifting equipment completely in the US. They have a large selection of floor jacks and other automotive lifting systems and even offer their services to other brands. All AFF floor jacks are made in USA.