Xheli is an American company with headquarters in Los Angeles. It claims to have inexpensive drones for beginners as well as experienced ones. It has a large variety of drones which are delivered to every part of the world. They have a 25000 square feet warehouse where the drones and other stuff is housed ready to be shipped anywhere and to any part of the world.
Getfpv.com It is also based in the USA and one can easily find high quality FPV frames and components etc. ReadyMadeRC.com Here, the prices are somewhat better than the above one. Quadrocopter.com: This company is located in and one can buy high end drones for aerial photography easily.