21ST CENTURY SOLUTIONS, LTD.

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 Communications Equipment Manufacturing

Establishments in this category are primarly engaged in manufacturing communications equipment (except telephone apparatus, radio and television broadcast equipment, and wireless communications equipment).

Illustrative Examples:

Fire detection and alarm systems manufacturing
Signals (e.g., highway, pedestrian, railway, traffic) manufacturing
Intercom systems and equipment manufacturing
Video-based stadium displays manufacturing

Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use

This includes establishments primarily engaged in manufacturing automatic controls and regulators for applications, such as heating, air-conditioning, refrigeration, and appliances.

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

Facilities Support Services

Establishments in this category are primarly engaged in providing operating staff to perform a combination of support services within a client's facilities. Establishments in this industry typically provide a combination of services, such as janitorial, maintenance, trash disposal, guard and security, mail routing, reception, laundry, and related services to support operations within facilities. These establishments provide operating staff to carry out these support activities, but are not involved with or responsible for the core business or activities of the client. Establishments providing facilities (except computer and/or data processing) operation support services and establishments providing private jail services or operating correctional facilities (i.e., jails) on a contract or fee basis are included in this industry.

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.