NATIONAL SECURITY & DOOR CORP.

Wood Window and Door Manufacturing

This includes establishments primarily engaged in manufacturing window and door units, sash, window and door frames, and doors from wood or wood clad with metal or plastics.

Metal Window and Door Manufacturing

This includes establishments primarily engaged in manufacturing metal framed windows (i.e., typically using purchased glass) and metal doors. Examples of products made by these establishments are metal door frames; metal framed window and door screens; and metal molding and trim (except automotive).

Hardware Manufacturing

Establishments in this category are primarly engaged in manufacturing metal hardware, such as metal hinges, metal handles, keys, and locks (except coin- or card-operated, time locks).

Other Metal Valve and Pipe Fitting Manufacturing

This includes establishments primarily engaged in manufacturing metal valves (except industrial valves, fluid power valves, fluid power hose fittings, and plumbing fixture fittings and trim).

Illustrative Examples:

Aerosol valves manufacturing
Firefighting nozzles manufacturing
Lawn hose nozzles manufacturing
Lawn sprinklers manufacturing
Water traps manufacturing
Metal hose couplings (except fluid power) manufacturing
Metal pipe flanges and flange unions manufacturing
Plumbing and heating inline valves (e.g., check, cutoff, stop) manufacturing

All Other Miscellaneous Electrical Equipment and Component Manufacturing

This includes establishments primarily engaged in manufacturing industrial and commercial electric apparatus and other equipment (except lighting equipment, household appliances, transformers, motors, generators, switchgear, relays, industrial controls, batteries, communication and energy wire and cable, wiring devices, and carbon and graphite products). Examples of products made by these establishments are power converters (i.e., AC to DC and DC to AC), power supplies, surge suppressors, and similar equipment for industrial-type and consumer-type equipment.

Illustrative Examples:

Appliance cords made from purchased insulated wire
Battery chargers, solid-state, manufacturing
Door opening and closing devices, electrical, manufacturing
Electric bells manufacturing
Extension cords made from purchased insulated wire
Inverters manufacturing
Surge suppressers manufacturing
Uninterruptible power supplies (UPS) manufacturing

Hardware Merchant Wholesalers

Establishments in this category are primarly engaged in the merchant wholesale distribution of hardware, knives, or handtools.

Illustrative Examples:

Brads merchant wholesalers
Cutlery merchant wholesalers
Knives (except disposable plastics) merchant wholesalers
Power handtools (e.g., drills, saws, sanders) merchant wholesalers
Fasteners (e.g., bolts, nuts, rivets, screws) merchant wholesalers
Staples merchant wholesalers
Handtools (except motor vehicle, machinists' precision) merchant wholesalers
Hardware (except motor vehicle) merchant wholesalers
Tacks merchant wholesalers
Keys and locks merchant wholesalers

Security Systems Services (except Locksmiths)

This includes establishments primarily engaged in (1) selling security alarm systems, such as burglar and fire alarms, along with installation, repair, or monitoring services or (2) remote monitoring of electronic security alarm systems.

Locksmiths

This includes establishments primarily engaged in (1) selling mechanical or electronic locking devices, safes, and security vaults, along with installation, repair, rebuilding, or adjusting services or (2) installing, repairing, rebuilding, and adjusting mechanical or electronic locking devices, safes, and security vaults.