Includes
Laboratory Glassware; Laboratory Funnels; Laboratory Furnaces; Glass Beads; Laboratory White Sand; Litmus Paper; Paper Filters; Insect Transfixion Pins; Laboratory Glass Wool; Laboratory Furniture, except Dental Laboratory.

Excludes
Instruments covered by other classes in group 66; Dental Laboratory Equipment; Laboratory Scales and Balances; In Vitro Diagnostic Substances and Reagents.

Possible NAICS Codes
423450 – Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers
339999 – All Other Miscellaneous Manufacturing
334516 – Analytical Laboratory Instrument Manufacturing

Includes
Only those items which cannot conceivably be classified in any existing classes.

Possible NAICS Codes
921190 – Other General Government Support
424130 – Industrial and Personal Service Paper Merchant Wholesalers
523910 – Miscellaneous Intermediation
325413 – In-Vitro Diagnostic Substance Manufacturing
423990 – Other Miscellaneous Durable Goods Merchant Wholesalers
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
333414 – Heating Equipment (except Warm Air Furnaces) Manufacturing

Includes
Hay; Manufactured Feed; Straw; Zoological Animal Food.

Possible NAICS Codes
311119 – Other Animal Food Manufacturing
111940 – Hay Farming
722320 – Caterers
115210 – Support Activities for Animal Production
459910 – Pet and Pet Supplies Retailers
311221 – Wet Corn Milling and Starch Manufacturing
311111 – Dog and Cat Food Manufacturing
722310 – Food Service Contractors
333241 – Food Product Machinery Manufacturing
311224 – Soybean and Other Oilseed Processing

Excludes
Fishing Vessels.

Possible NAICS Codes
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
326199 – All Other Plastics Product Manufacturing
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
332420 – Metal Tank (Heavy Gauge) Manufacturing
314999 – All Other Miscellaneous Textile Product Mills
112511 – Finfish Farming and Fish Hatcheries
314994 – Rope, Cordage, Twine, Tire Cord, and Tire Fabric Mills
333914 – Measuring, Dispensing, and Other Pumping Equipment Manufacturing
334290 – Other Communications Equipment Manufacturing
336612 – Boat Building

Possible NAICS Codes
561210 – Facilities Support Services
238990 – All Other Specialty Trade Contractors
236220 – Commercial and Institutional Building Construction
238290 – Other Building Equipment Contractors
237990 – Other Heavy and Civil Engineering Construction
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
561730 – Landscaping Services
238320 – Painting and Wall Covering Contractors
812220 – Cemeteries and Crematories
237130 – Power and Communication Line and Related Structures Construction

Possible NAICS Codes
236220 – Commercial and Institutional Building Construction
238210 – Electrical Contractors and Other Wiring Installation Contractors

Description
Installation of Equipment: Ship and Marine Equipment

Possible NAICS Codes
541330 – Engineering Services
336611 – Ship Building and Repairing
335313 – Switchgear and Switchboard Apparatus Manufacturing
811210 – Electronic and Precision Equipment Repair and Maintenance
238990 – All Other Specialty Trade Contractors
238210 – Electrical Contractors and Other Wiring Installation Contractors
236220 – Commercial and Institutional Building Construction
561990 – All Other Support Services
441222 – Boat Dealers
333618 – Other Engine Equipment Manufacturing

Description
Maintenance, Repair and Rebuilding of Equipment: Plumbing, Heating, and Waste Disposal Equipment

Possible NAICS Codes
238220 – Plumbing, Heating, and Air-Conditioning Contractors
561210 – Facilities Support Services
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
236220 – Commercial and Institutional Building Construction
237110 – Water and Sewer Line and Related Structures Construction
238210 – Electrical Contractors and Other Wiring Installation Contractors
334290 – Other Communications Equipment Manufacturing
561790 – Other Services to Buildings and Dwellings

Includes
Naphtha Solvents; Water Softening Compounds; Tanning Materials, Natural or Synthetic; Dextrines and Starches; Inedible Gelatins; Acetone; Propellant Chemicals, Bulk not specialized solely for Guided Missile Use.

Excludes
Medicinal Chemicals; Gases; Foundry Dextrines; Radiographic and photographic Chemicals; In Vitro Diagnostic Substances and Reagents.

Possible NAICS Codes
324191 – Petroleum Lubricating Oil and Grease Manufacturing
325998 – All Other Miscellaneous Chemical Product and Preparation Manufacturing
325199 – All Other Basic Organic Chemical Manufacturing
325611 – Soap and Other Detergent Manufacturing
325180 – Other Basic Inorganic Chemical Manufacturing
325612 – Polish and Other Sanitation Good Manufacturing
325120 – Industrial Gas Manufacturing
325910 – Printing Ink Manufacturing

Includes
Acidity (pH) Meters; Gas Analyzers; Alkalinity Measuring Instruments; Colorimeters.

Excludes
Gas Detecting Equipment; Manual Gas Alarms; Chemicals; In Vitro Diagnostic Substances and Reagents.

Possible NAICS Codes
334516 – Analytical Laboratory Instrument Manufacturing
334519 – Other Measuring and Controlling Device Manufacturing
423450 – Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers
339113 – Surgical Appliance and Supplies Manufacturing
334515 – Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals
334513 – Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables
325413 – In-Vitro Diagnostic Substance 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
339112 – Surgical and Medical Instrument Manufacturing
325411 – Medicinal and Botanical Manufacturing

Includes
Garden Tractors, Walking Type; Lawn Mowers, Powered and Nonpowered; Hedge Trimmers; Lawn Seeders; Fertilizer Spreaders; Gardening Rakes, Forks, Hoes, and Other Garden Tools.

Possible NAICS Codes
333112 – Lawn and Garden Tractor and Home Lawn and Garden Equipment Manufacturing
333111 – Farm Machinery and Equipment Manufacturing
444110 – Home Centers
336110 – Automobile and Light Duty Motor Vehicle Manufacturing
561730 – Landscaping Services
333922 – Conveyor and Conveying Equipment Manufacturing
333120 – Construction Machinery Manufacturing
444140 – Hardware Retailers
444230 – Outdoor Power Equipment Retailers
333924 – Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing

Includes
Hayrakers; Mowers.

Excludes
Mower Attachments (FSC 3750); Sickle Bar Attachments (FSC 3750).

Possible NAICS Codes
333111 – Farm Machinery and Equipment Manufacturing
333112 – Lawn and Garden Tractor and Home Lawn and Garden Equipment Manufacturing
333120 – Construction Machinery Manufacturing
336110 – Automobile and Light Duty Motor Vehicle Manufacturing
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
325520 – Adhesive Manufacturing
423820 – Farm and Garden Machinery and Equipment Merchant Wholesalers
444230 – Outdoor Power Equipment Retailers
333924 – Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing
115113 – Crop Harvesting, Primarily by Machine

Includes
Sails; Chain Ladders; Rope Ladders; Marine Furniture.

Possible NAICS Codes
336611 – Ship Building and Repairing
441222 – Boat Dealers
332322 – Sheet Metal Work Manufacturing
333618 – Other Engine Equipment Manufacturing
333923 – Overhead Traveling Crane, Hoist, and Monorail System Manufacturing
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
332321 – Metal Window and Door Manufacturing
332911 – Industrial Valve Manufacturing
114119 – Other Marine Fishing
333415 – Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing