MMG CORP

Prefabricated Metal Building and Component Manufacturing

This includes establishments primarily engaged in manufacturing prefabricated metal buildings, panels, and sections.

Fabricated Structural Metal Manufacturing

This includes establishments primarily engaged in fabricating structural metal products, such as assemblies of concrete reinforcing bars and fabricated bar joists.

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).

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.

Small Arms, Ordnance, and Ordnance Accessories Manufacturing

This includes establishments primarily engaged in manufacturing small arms, other ordnance, and/or ordnance accessories.

All Other Miscellaneous Fabricated Metal Product Manufacturing

This includes establishments primarily engaged in manufacturing fabricated metal products (except forgings and stampings, cutlery and handtools, architectural and structural metals, boilers, tanks, shipping containers, hardware, spring and wire products, machine shop products, turned products, screws, nuts and bolts, metal valves, ball and roller bearings, ammunition, small arms and other ordnances and accessories, and fabricated pipes and pipe fittings).

Illustrative Examples:

Foil containers (except bags) manufacturing
Industrial pattern manufacturing
Metal hair curlers manufacturing
Metal ironing boards manufacturing
Metal pallets manufacturing
Metal pipe hangers and supports manufacturing
Metal safes manufacturing
Metal vaults (except burial) manufacturing
Permanent metallic magnets manufacturing
Portable metal ladders manufacturing
Sanitary ware (e.g., bathtubs, lavatories, sinks), metal and enameled metal, manufacturing
Steel wool manufacturing

Motor Vehicle Gasoline Engine and Engine Parts Manufacturing

Establishments in this category are primarly engaged in (1) manufacturing and/or rebuilding motor vehicle gasoline engines and engine parts and/or (2) manufacturing and/or rebuilding carburetors, pistons, piston rings, and engine valves, whether or not for vehicular use.

Illustrative Examples:

Carburetors, all types, manufacturing
Crankshaft assemblies, automotive and truck gasoline engine, manufacturing
Cylinder heads, automotive and truck gasoline engine, manufacturing
Fuel injection systems and parts, automotive and truck gasoline engine, manufacturing
Gasoline engines for hybrid automotive vehicles manufacturing
Pistons and piston rings manufacturing
Manifolds (i.e., intake and exhaust), automotive and truck gasoline engine, manufacturing
Pumps (e.g., fuel, oil, water), mechanical, automotive and truck gasoline engine (except power steering), manufacturing
Timing gears and chains, automotive and truck gasoline engine, manufacturing
Valves, engine, intake and exhaust, manufacturing

Motor Vehicle Transmission and Power Train Parts Manufacturing

Establishments in this category are primarly engaged in manufacturing and/or rebuilding motor vehicle transmissions and power train parts.

Illustrative Examples:

Automatic transmissions, automotive, truck, and bus, manufacturing
Axle bearings, automotive, truck, and bus, manufacturing
Constant velocity joints, automotive, truck, and bus, manufacturing
Differential and rear axle assemblies, automotive, truck, and bus, manufacturing
Torque converters, automotive, truck, and bus, manufacturing
Universal joints, automotive, truck, and bus, manufacturing

Other Motor Vehicle Parts Manufacturing

Establishments in this category are primarly engaged in manufacturing and/or rebuilding motor vehicle parts and accessories (except motor vehicle gasoline engines and engine parts, motor vehicle electrical and electronic equipment, motor vehicle steering and suspension components, motor vehicle brake systems, motor vehicle transmissions and power train parts, motor vehicle seating and interior trim, and motor vehicle stampings).

Illustrative Examples:

Air bag assemblies manufacturing
Air-conditioners, motor vehicle, manufacturing
Air filters, automotive, truck, and bus, manufacturing
Radiators and cores manufacturing
Catalytic converters, engine exhaust, automotive, truck, and bus, manufacturing
Compressors, motor vehicle air-conditioning, manufacturing
Mufflers and resonators, motor vehicle, manufacturing
Wheels (i.e., rims), automotive, truck, and bus, manufacturing

Aircraft Engine and Engine Parts Manufacturing

This includes establishments primarily engaged in one or more of the following: (1) manufacturing aircraft engines and engine parts; (2) developing and making prototypes of aircraft engines and engine parts; (3) aircraft propulsion system conversion (i.e., major modifications to systems); and (4) aircraft propulsion systems overhaul and rebuilding (i.e., periodic restoration of aircraft propulsion system to original design specifications).

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.

Guided Missile and Space Vehicle Manufacturing

This includes establishments primarily engaged in (1) manufacturing complete guided missiles and space vehicles and/or (2) developing and making prototypes of guided missiles or space vehicles.

Guided Missile and Space Vehicle Propulsion Unit and Propulsion Unit Parts Manufacturing

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