Warner Bros. Entertainment Inc. (WBEI), commonly known as Warner Bros. (WB), is an American filmed entertainment studio headquartered at the Warner Bros. Studios complex in Burbank, California, and the main namesake of Warner Bros. Discovery Streaming & Studios, a division of Warner Bros. Discovery. Founded on April 4, 1923, by four brothers, Harry, Albert, Sam and Jack Warner, the company established itself as a leader in the American film industry before diversifying into animation, television, and video games.
https://en.wikipedia.org/wiki/Warner_Bros.