ADT Fire & Security
Security House The Summit, Hanworth Road, Sunbury-on-Thames, TW16 5DB
0800-542 3107

Apollo Alarms Ltd
12 Bedford Pl, Cardiff, CF24 3BB
029 2080 7766

M-Tek Security
P O Box 149, Barry, CF63 9BR
07855 448105

Sonic Alarm Systems
5a Stanwell Rd, Penarth, CF64 2AB
029 2070 3720

Pritchard Security Systems Ltd
Penllyn Estate Farm/Llwynhelig, Cowbridge, CF71 7FF
01446 771111

Western Security Systems Ltd
South Glade, Gwaelod-y-Garth, Cardiff, CF15 9TS
029 2081 5040

FRF Alarms Ltd
136 Mackintosh Pl, Cardiff, CF24 4RS
029 2075 5799

Pentagon Alarms
27 The Gables, Dinas Powys, CF64 4DN
07767 202397

Fairfield Security Systems Ltd
10 Wyndham Cres, Cardiff, CF11 9EH
029 2022 5003

Protect Alarms
34 Llanmead Gdns, Rhoose, Barry, CF62 3HX
07889 875867

Brinkard Security Systems Ltd
33 Parc Castell-Y-Mynach, Creigiau, Cardiff, CF15 9NU
029 2089 1755

Maximum Security Services
116 Llandaff Rd, Cardiff, CF11 9PU
029 2037 3665

Eclipse Security Systems Ltd
12 Greave Cl, Wenvoe, Cardiff, CF5 6BU
029 2067 0111

O C Security Systems
32 Mur Gwyn, Cardiff, CF14 6NR
029 2052 1455

Dyno-Secure Lock & Security Services
Unit 10/St. Mellons Community Enterprise Workshops/31 Crickh, St. Mellons, Cardiff, CF3 0EX
0800 121999

Diamond Monitored Alarm Systems Ltd
106 Crwys Rd, Cardiff, CF24 4NQ
029 2045 1789