Includes
Electronic Precipitators; Dust Collection Equipment.

Excludes
Fan and Blower Equipment (FSC 4140); Air Conditioning Equipment (FSC 4120).

Possible NAICS Codes
333413 – Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing
333415 – Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing
339113 – Surgical Appliance and Supplies Manufacturing
336110 – Automobile and Light Duty Motor Vehicle Manufacturing
335210 – Small Electrical Appliance Manufacturing

Excludes
Laboratory Jet Pumps (FSG 65 and 66).

Possible NAICS Codes
333996 – Fluid Power Pump and Motor Manufacturing
333914 – Measuring, Dispensing, and Other Pumping Equipment Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
333618 – Other Engine Equipment Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
326299 – All Other Rubber Product Manufacturing
333310 – Commercial and Service Industry Machinery Manufacturing
333991 – Power-Driven Handtool Manufacturing

Possible NAICS Codes
334290 – Other Communications Equipment Manufacturing
334220 – Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing
541519 – Other Computer Related Services
334111 – Electronic Computer Manufacturing
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
561621 – Security Systems Services (except Locksmiths)
541330 – Engineering Services
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
811210 – Electronic and Precision Equipment Repair and Maintenance
334310 – Audio and Video Equipment Manufacturing

Includes
Anesthesia Apparatus; Blood Transfusion Apparatus; Oxygen Therapy Apparatus; Respirators; Orthopedic Supplies; Arch Supports; Clinical Thermometers; Sutures; Hearing Aids; Veterinary Equipment, Endoscopes, Fiber Optic.

Excludes
Ophthalmic Instruments, Equipment, and Supplies; Non-Medical Endoscopes.

Possible NAICS Codes
423450 – Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers
339113 – Surgical Appliance and Supplies Manufacturing
325411 – Medicinal and Botanical Manufacturing
339112 – Surgical and Medical Instrument Manufacturing

Possible NAICS Codes
311999 – All Other Miscellaneous Food Manufacturing
311812 – Commercial Bakeries
311991 – Perishable Prepared Food Manufacturing
311225 – Fats and Oils Refining and Blending
722320 – Caterers
722310 – Food Service Contractors
311511 – Fluid Milk Manufacturing