» Advanced Systems Consultants    Local ISP with emphasis on business clients.    http://www.advsys.co.uk/

» Arts Interactive    New media company based in Castletown.    http://www.arts-interactive.co.uk/

» Castletown - Ancient Capital of Mann    Includes information, history, photos, notices and reports about events and activities in the town.    http://www.castletown.org.im/

» Castletown Golf Links Hotel    An hotel with an 18 hole championship golf course. It is situated on a peninsula with water at all sides. Includes prices, booking information, and photos.    http://www.castletowngolflinks.co.uk/

» Castletown Holiday Cottages    Carrick Cottages and Mill Street Cottages in Castletown    http://www.cottages-isle-of-man.co.uk/

» PDMS    Provides software development and related IT services. Projects include business systems, web developments and mobile solutions to the public and private sector.    http://www.pdms.com/

» Pooil Vaaish Quarry    Manufacture a wide range of stone products from black limestone and also import granite worktops, and fireplaces. Contains news, list of products, and contact details.    http://www.pooilvaaish.com