By default, the available module positions are offcanvas-a and offcanvas-b but you can add as many module positions as you want from the Layout Manager. You can also add the hidden-phone module class suffix to your modules so they do not appear in the Offcanvas Section when the site is loaded on a mobile device. Twin City Security, LLC strives to become the number one choice for contract security services in Alabama by providing highly trained security specialists for every industry, by adapting to all security concerns that may arise, and by protecting the assets of our clients.