Nestlé UK is now based since 2013 at City Place Gatwick, off the A23, next to the Civil Aviation Authority. To the south, on the east of Manor Royal, is Monier Redland (roof tiles) and ARINC UK (avionics), and a large site of Thales, with its civilian aircraft simulation TTS division (former Redifon) now owned since 2012 by L-3 Communications); much of Thales in Crawley is the former Mullard, who made radars, and Thomson Racal Defence Electronics (and Thorn EMI); Thales in Crawley make much of the Royal Navy's electronic (mission) systems. UK Power Networks (electrical operator for region) is south of Manor Royal in Three Bridges; SEEBOARD was based on the A23 in Broadfield. Invensys have many sites in Crawley. Plumbase (owned by the Grafton Group) on A2219 in West Green north of the town centre near Crawley Leisure Park. WesternGeco (geophysical services) is at the end of the Gatwick Interchange M23 spur.