LKR, INC.

Machine Shops

This category includes establishments known as machine shops primarily engaged in machining metal and plastic parts and parts of other composite materials on a job or order basis. Generally machine shop jobs are low volume using machine tools, such as lathes (including computer numerically controlled); automatic screw machines; and machines for boring, grinding, milling, and additive manufacturing.

Precision Turned Product Manufacturing

This includes establishments known as precision turned manufacturers primarily engaged in machining precision products of all materials on a job or order basis. Generally precision turned product jobs are large volume using machines, such as automatic screw machines, rotary transfer machines, computer numerically controlled (CNC) lathes, or turning centers.

Bolt, Nut, Screw, Rivet, and Washer Manufacturing

This includes establishments primarily engaged in manufacturing metal bolts, nuts, screws, rivets, washers, and other industrial fasteners using machines, such as headers, threaders, and nut forming machines.

Fluid Power Valve and Hose Fitting Manufacturing

This includes establishments primarily engaged in manufacturing fluid power valves and hose fittings.

Illustrative Examples:

Fluid power aircraft subassemblies manufacturing
Hose assemblies for fluid power systems manufacturing
Hydraulic and pneumatic hose and tube fittings manufacturing
Hydraulic and pneumatic valves manufacturing

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

Current-Carrying Wiring Device Manufacturing

This includes establishments primarily engaged in manufacturing current-carrying wiring devices.

Illustrative Examples:

Bus bars, electrical conductors (except switchgear-type), manufacturing
GFCI (ground fault circuit interrupters) manufacturing
Lamp holders manufacturing
Lightning arrestors and coils manufacturing
Receptacles (i.e., outlets), electrical, manufacturing
Switches for electrical wiring (e.g., pressure, pushbutton, snap, tumbler) manufacturing

Other Aircraft Parts and Auxiliary Equipment Manufacturing

This includes establishments primarily engaged in (1) manufacturing aircraft parts or auxiliary equipment (except engines and aircraft fluid power subassemblies) and/or (2) developing and making prototypes of aircraft parts and auxiliary equipment. Auxiliary equipment includes such items as crop dusting apparatus, armament racks, inflight refueling equipment, and external fuel tanks.

Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing

This includes establishments primarily engaged in (1) manufacturing guided missile and space vehicle parts and auxiliary equipment (except guided missile and space vehicle propulsion units and propulsion unit parts) and/or (2) developing and making prototypes of guided missile and space vehicle parts and auxiliary equipment.