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SIC Major Group 38 Major Group 38: Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks

This major group includes establishments engaged in manufacturing instruments (including professional and scientific) for measuring, testing, analyzing, and controlling, and their associated sensors and accessories; optical instruments and lenses; surveying and drafting instruments; hydrological, hydrographic, meteorological, and geophysical equipment; search, detection, navigation, and guidance systems and equipment; surgical, medical, and dental instruments, equipment, and supplies; ophthalmic goods; photographic equipment and supplies; and watches and clocks.

Industry Group 381: Search, Detection, Navigation, Guidance, Aeronautical, and Nautical Systems, Instruments, and Equipment
·	3812 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical Systems and Instruments
Industry Group 382: Laboratory Apparatus And Analytical, Optical, Measuring, and Controlling Instruments
·	3821 Laboratory Apparatus and Furniture
·	3822 Automatic Controls for Regulating Residential and Commercial Environments and Appliances
·	3823 Industrial Instruments for Measurement, Display, and Control of Process Variables; and Related Products
·	3824 Totalizing Fluid Meters and Counting Devices
·	3825 Instruments for Measuring and Testing of Electricity and Electrical Signals
·	3826 Laboratory Analytical Instruments
·	3827 Optical Instruments and Lenses
·	3829 Measuring and Controlling Devices, Not Elsewhere Classified
Industry Group 384: Surgical, Medical, And Dental Instruments And Supplies
·	3841 Surgical and Medical Instruments and Apparatus
·	3842 Orthopedic, Prosthetic, and Surgical Appliances and Supplies
·	3843 Dental Equipment and Supplies
·	3844 X-Ray Apparatus and Tubes and Related Irradiation Apparatus
·	3845 Electromedical and Electrotherapeutic Apparatus
Industry Group 385: Ophthalmic Goods
·	3851 Ophthalmic Goods
Industry Group 386: Photographic Equipment And Supplies
·	3861 Photographic Equipment and Supplies
Industry Group 387: Watches, Clocks, Clockwork Operated Devices, and Parts
·	3873 Watches, Clocks, Clockwork Operated Devices, and Parts

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