| Abloy Security Limited |
| ABUS (UK)LTD |
| Access 2 Ltd |
| Adams Rite Europe Ltd |
| Advanced Access Ltd |
| Aldridge Security Ltd |
| Alpro Architectural Hardware |
| Assa Abloy Door Solutions |
| Banham Patent Locks Ltd |
| Borg Locks |
| Bramah Security Equipment Ltd |
| Burton Safes Ltd |
| C & P Security Products Ltd |
| Camlock Systems Ltd |
| Carl Kammerling International Ltd |
| Chubb Locks |
| Citysafe Wholesale Limited |
| Codelocks Ltd |
| Codringtons Limited |
| Curtis Industries |
| DG Supplyline Ltd |
| Era Products Ltd |
| Euro Architectural Hardware Ltd |
| Eurospec Arch H/W Ltd |
| Fab & Fix |
| Fred Duncombe Ltd |
| Fullex Locks Ltd |
| Gardiner Security Ltd |
| Global Bio Tec Ltd |
| Gravograph Ltd |
| Greenfox Solutions Ltd |
| Guardian Safes Ltd |
| Gunnebo UK Ltd |
| Henry Squire and Sons |
| Hickleys Ltd |
| Hoppe (UK) Ltd |
| Hughes Wholesale Ltd |
| Ingersoll Rand Security |
| International Engineering Company Ltd |
| Italian Locking Systems |
| Kaba (UK) Ltd |
| Keyprint Wholesale |
| Kickstop Security Products Ltd |
| Locks 4 Vans Ltd |
| M E Duffell Limited |
| M Marcus Ltd |
| M.A.C.Solutions(UK)Ltd |
| Master Lock Europe |
| Mitie Fire and Security Ltd |
| MPL |
| Mul-T-Lock (UK) |
| N W Keys Ltd |
| Nigel Rose (Marketing Services) Ltd |
| Owlett Architectural |
| Phoenix Safe Company Ltd |
| Pickersgill-KayeLtd |
| Rainer Security Products Ltd |
| RB Medical Engineering Limited |
| Rottner Security UK Ltd |
| Safe Partnership |
| Safe Security Services Ltd |
| Safelock Systems Ltd |
| Securikey Ltd |
| Security Express Wholesale Ltd |
| Security Hardware Limited |
| Sentry Safe UK Ltd |
| Silca Ltd |
| SimonsVoss Technologies |
| SKS Limited |
| Sound & Light Solutions Ltd |
| Stand-Fast Burglar Alarm Co. Ltd |
| Sterling Locks Ltd |
| Strand Hardware Limited |
| StranDNA (UK) Ltd |
| Supra Distribution & Merchandise |
| Surelock McGill Ltd |
| TDSI |
| The Little Safe Co Ltd |
| Toolbank |
| UAP Ltd T/A Tradelocks |
| UNION Architectural Hardware |
| VellacineLtd |
| Yale UK |
| Zone Security Products (UK) Ltd |