They are made by Hercules which is a subsidiary of Cooper.
Harbor Freight Tools
China manufactures Masterforce.
Bosch manufactures the more expensive ones in Germany or Switzerland and has the cheaper ones made in China.
I think it is Sears.
Strategy manufactures Strategy power tools. Strategy power tools were sold by QVC.
home depot
Lee Valley manufactures gardening and woodworking tools. They produce everything from saws and knives to firewood carts and pruning tools. Lee Valley also manufactures indoor gardening tools and certain attachments for wheel hoes.
Positec. http://www.positecgroup.com/our_brands
Cheese
China manufactures many products such as: clothing, electrical goods, machinery, tools and food too. China manufactures most of the U.S. toys...
Snap-on Tools is owned by Snap-on Incorporated. They are one of the only tool distributors that manufactures their own tools.