Top Flite clubs and golf balls operate under the parent company of Callaway Golf.
Callaway is headquartered in Carlsbad, California but it seems that their clubs are made overseas. Some of their clubs have labels saying that they were made in China.
The Callaway Golf Company is based out of California.
Dick's Sporting Goods, Global Golf and Golf Town are three retailers that offer Callaway golf clubs for sale. The retailer Amazon also sells Callaway golf clubs.
My Callaway 'Big Bertha' driver is certainly made in China.
Phil Mickelson is a Callaway player.
The new Callaway XHot Woods are made in China and assembled in Mexico
Callaway clubs differ from other clubs because they have bore through shafts. These can be difficult to put in, so you should really get your local pro or clubfitter to replace them.
Callaway Golf Company is based in Carlsbad, California, along with their manufacturing units.