| 00 | Combination adj. and modification |
| 01 | Master keying |
| 10 | Push button locks |
| 11 | Cylindrical locksets |
| 12 | Grip handlesets |
| 13 | Mortise locks |
| 14 | Tubular deadbolt locks |
| 15 | Rim locks |
| 16 | Springlatch locks |
| 17 | Window and patio locks |
| 18 | Panic bars |
| 19 | Panic bars with alarm |
| 21 | Miscellaneous cylinders |
| 22 | Mortise lock cylinders |
| 23 | Rim lock cylinders |
| 24 | Tubular deadbolt locks cylinders |
| 25 | Shells and plugs |
| 26 | Dummy cylinders |
| 27 | Thumbturn cylinders |
| 30 | Locks assortments |
| 31 | Locker and mail box locks |
| 32 | Drawer / cabinet locks |
| 33 | Camlocks |
| 34 | Switch locks |
| 35 | Filing cabinet locks |
| 36 | Sliding door locks |
| 37 | Safe locks |
| 38 | Cabinet handles
|
| 40 | Padlock assortments |
| 41 | Steel & laminated padlocks
|
| 42 | Brass padlocks
|
| 43 | Combination padlocks
|
| 44 | Cables
|
| 45 | Chains |
| 46 | Safety hasps |
| 47 | Padlock type locks |
| 48 | Padlock covers / accessories |
| 50 | Miscellaneous accessories |
| 51 | Hinges |
| 52 | Door closers |
| 53 | Bolt locks |
| 54 | Door viewers |
| 55AA | Accessories / Modules |
| 55AB | Cables / casing |
| 55AC | Cards & Keyfobs |
| 55AD | Door controllers / Multi door |
| 55AE | Exit request / Exit alarm devices - Door bars / Wired / Motion Sensing |
| 55AH | Hardware Locking Devices |
| 55AI | Interruptor / switch |
| 55AK | Keypad Controls / Stand Alone |
| 55AM | Magnetic Locks |
| 55AP | Fire alarm / protection cage |
| 55AR | Readers / Proximity / Mag Stripe |
| 55AS | Strikes |
| 55AT | Telephone Entry |
| 55AW | Softwares |
| 55AZ | Kit Configuration |
| 55BA | Accessories / Modules |
| 55BC | Control Panels |
| 55BD | Detectors - Shock / Temperature / Water |
| 55BF | Fire & Smoke Detectors |
| 55BG | Glassbreak Detector |
| 55BH | Hold-Up / Panic Device |
| 55BI | Intrusion Dectectors / PIR / Dual Technology |
| 55BK | Keypad / Annociator |
| 55BM | Magnetic Contacts / Contacts magnétique |
| 55BR | Realys / Timers |
| 55BS | Sirens / Horns / Sirens Drivers |
| 55BT | Transmitting & Receiving Devices |
| 55BW | Wireless Devices |
| 55BZ | Kit Configuration |
| 55CA | Accessories / Modules |
| 55CB | Board / Covert Camera |
| 55CC | Cameras B&W / Colour |
| 55CD | Cam Mini / Speed Dome |
| 55CH | Housing & Mounting Devices |
| 55CK | Keyboard Controllers |
| 55CL | Lenses (all sorts) |
| 55CM | Monitors & Accessories |
| 55CP | Pan & Tilt / Scanners
|
| 55CQ | Quad / Switcher / Split |
| 55CR | Record / Digital / Tapes |
| 55CS | Specialty Cameras |
| 55CT | Transmitting & Receiving Devices |
| 55CX | Multiplexers |
| 55CZ | Kit Configuration |
| 55EF | Electric door closer |
| 55EH | Electric hinge |
| 55EL | Request to exit button |
| 55ES | Electric strikes |
| 55HA | Accessories / Modules |
| 55HB | Batteries & Transformers |
| 55HC | Connecting Devices |
| 55HD | Drill Bits |
| 55HP | Power Supplies |
| 55HS | Interruptor |
| 55HT | Msc. Tools / Testers |
| 55HW | Wires & Cables |
| 55HZ | Kit Configuration |
| 55KC | Kit |
| 55OP | Electric door closer |
| 55PA | Panic bars |
| 55SA | Accessories / Modules |
| 55SC | Controls & Speakers |
| 55SE | Entertainment Systems |
| 55SH | Home Automation Systems |
| 55SI | Intercom Systems |
| 55SN | Networking / Distribution Systems |
| 55SS | Structured Cabling |
| 55ST | Telecom Systems |
| 55SZ | Kit Configuration |
| 56 | Door knobs / roses etc. |
| 57 | Door chains |
| 58 | Reinforcement plates |
| 59 | Mail boxes / door slots |
| 61 | Locksmith tools |
| 62 | Key machines |
| 63 | Key machine cutters and guides |
| 64 | Key machine accessories, key board hooks |
| 65 | Pins |
| 66 | Locksmith tools |
| 67 | Key machines |
| 68 | Key machine cutters and guides |
| 69 | Key panels |
| 70 | Screws/nuts - Anti vandalism |
| 71 | Miscellaneous parts |
| 72 | Latches |
| 73 | Strikes |
| 74 | Cylinder collars |
| 75 | Thumbpieces |
| 76 | Screws/nuts |
| 77 | Cams |
| 78 | Springs |
| 79 | Spindles |
| 81 | Disc. miscellaneous products |
| 82 | Key-rings |
| 83 | Key-holders , cases, chains |
| 85 | Lubricants / graphites |
| 86 | Code book |
| 87 | Safes |
| 88 | Alarms |
| 89 | Filing cabinet locking bars |
| 90 | Key accessories |
| 91 | Keys blanks |
| 92 | Key blank assortments |
| 93 | Look-Alike keys |
| 94 | Key panels |
| 95 | Key cabinets |
| 96 | Suitcase keys |
| 97 | Cut keys |
| 98 | Look-Alike keys |
| 99 | Look-Alike keys |