Profile: Television Installation Services (Mansfield) Ltd. develops and manufactures the specialist communication systems equipment for industry, the ministry of defense and local authorities. We provide information on all of our products and services across the fields of protection and communication for the business, military, education and public sector. We are involved in all areas of communication and security including marine communications engineering, digital television, satellite distribution, closed circuit television, community care controlled access, intruder detection, public address and network services.