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
Industry Group 382: Laboratory Apparatus And Analytical, Optical, Measuring, and Controlling Instruments
Industry Group 384: Surgical, Medical, And Dental Instruments And Supplies
Industry Group 385: Ophthalmic Goods
Industry Group 386: Photographic Equipment And Supplies
Industry Group 387: Watches, Clocks, Clockwork Operated Devices, and Parts