Tek Fire Door Services, the trading name of TEK Interiors, carries out fire door inspections and surveys, traffic-light system assessments, final exit door surveys, fire door installation and fire door maintenance. It works across Essex, London, Cambridgeshire, Suffolk and Hertfordshire from the Beehive Business Centre at Great Baddow, Chelmsford. It holds both LPS 1271 and LPS 1197 approval.