Interlocking control systems
Units 1-5, 3 Desertmartin Road
Tobermore
Magherafelt
BT45 5QY
(Halma Group)
The Castell Building
217 Kingsbury Road
London
NW9 9PQ
Unit 10 Warner Drive
Springwood Industrial Estate
Braintree
Essex
CM7 2YW
A division of GN Systems Ltd
Units 10-12 Undershore Business Park
Brookside Road
Crompton Way
Bolton
BL2 2SE