Who makes top break revolvers?

Top break revolvers have been produced by several manufacturers throughout history, with notable brands including Smith & Wesson, Webley, and Iver Johnson. Smith & Wesson was one of the pioneers in this design, introducing it in the late 19th century. Other manufacturers, like Nagant and some lesser-known companies, have also made variations of top break revolvers. While their popularity has diminished in favor of other revolver designs, they are still appreciated by collectors and enthusiasts.