According to Wikipedia, Tesla Motors, Inc. is an American automotive and energy storage company that designs, manufactures, and sells electric cars, electric vehicle powertrain components, and battery products.
Just recently, Tesla Motors changed their domain name from TeslaMotors.com to Tesla.com Why? Who knows? Tesla did not comment back on if there was going to be a company name change. The website will automatically redirect you when you type in TeslaMotors to Tesla.com
Try it out for yourself? https://www.teslamotors.com