Sites like Linesmaker. Linesmaker was established in 1997 and is owned and operated by Domain Holdings Ltd. It offers sportsbook and casino games including poker to punters, well licensed in Antigua and Barbuda, among other features. There are lots of other gambling sites like Linesmaker. These group of similar betting sites are also known as Linesmaker sister sites. The … [Read more...] about Sites Like Linesmaker | Linesmaker Sister Sites