| 2007 NAICS | 2012 NAICS | 2017 NAICS | Corresponding Index Entries | |||
| 334516 | 334516 | 334516 | Acidity (i.e., pH) measuring equipment, laboratory analysis-type, manufacturing | |||
| 334516 | 334516 | 334516 | Amino acid analyzers, laboratory-type, manufacturing | |||
| 334516 | 334516 | 334516 | Atomic force microscopes manufacturing | |||
| 334516 | 334516 | 334516 | Automatic chemical analyzers, laboratory-type, manufacturing | |||
| 334516 | 334516 | 334516 | Blood bank process equipment manufacturing | |||
| 334516 | 334516 | 334516 | Chromatographic instruments, laboratory-type, manufacturing | |||
| 334516 | 334516 | 334516 | Chronoscopes manufacturing | |||
| 334516 | 334516 | 334516 | Colorimeters, laboratory-type, manufacturing | |||
| 334516 | 334516 | 334516 | Coulometric analyzers, laboratory-type, manufacturing | |||
| 334516 | 334516 | 334516 | Densitometers, laboratory analytical, manufacturing | |||
| 334516 | 334516 | 334516 | Differential thermal analysis instruments, laboratory-type, manufacturing | |||
| 334516 | 334516 | 334516 | Electrolytic conductivity instruments, laboratory-type, manufacturing | |||
| 334516 | 334516 | 334516 | Electron microprobes, laboratory-type, manufacturing | |||
| 334516 | 334516 | 334516 | Electron microscopes manufacturing | |||
| 334516 | 334516 | 334516 | Electron paramagnetic spin-type apparatus manufacturing | |||
| 334516 | 334516 | 334516 | Electrophoresis instruments manufacturing | |||
| 334516 | 334516 | 334516 | Elemental analyzers manufacturing | |||
| 334516 | 334516 | 334516 | Flame photometers manufacturing | |||
| 334516 | 334516 | 334516 | Gas analyzers, laboratory-type, manufacturing | |||
| 334516 | 334516 | 334516 | Gas chromatographic instruments, laboratory-type, manufacturing | |||
| 334516 | 334516 | 334516 | Hematology instruments manufacturing | |||
| 334516 | 334516 | 334516 | Immunology instruments, laboratory, manufacturing | |||
| 334516 | 334516 | 334516 | Infrared analytical instruments, laboratory-type, manufacturing | |||
| 334516 | 334516 | 334516 | Laboratory analytical instruments (except optical) manufacturing | |||
| 334516 | 334516 | 334516 | Liquid chromatographic instruments, laboratory-type, manufacturing | |||
| 334516 | 334516 | 334516 | Magnetic resonance imaging (MRI) type apparatus (except medical diagnostic) manufacturing | |||
| 334516 | 334516 | 334516 | Mass spectrometers manufacturing | |||
| 334516 | 334516 | 334516 | Mass spectroscopy instrumentation manufacturing | |||
| 334516 | 334516 | 334516 | Microbiology instruments manufacturing | |||
| 334516 | 334516 | 334516 | Microprobes (e.g., electron, ion, laser, X-ray) manufacturing | |||
| 334516 | 334516 | 334516 | Microscopes, electron and proton, manufacturing | |||
| 334516 | 334516 | 334516 | Moisture analyzers, laboratory-type, manufacturing | |||
| 334516 | 334516 | 334516 | Monochrometers, laboratory-type, manufacturing | |||
| 334516 | 334516 | 334516 | Nanomanipulator equipment manufacturing | |||
| 334516 | 334516 | 334516 | Nanosensor instruments manufacturing | |||
| 334516 | 334516 | 334516 | Nephelometers (except meteorological) manufacturing | |||
| 334516 | 334516 | 334516 | Neutron activation analysis instruments manufacturing | |||
| 334516 | 334516 | 334516 | Osmometers manufacturing | |||
| 334516 | 334516 | 334516 | Particle beam excitation instruments, laboratory-type, manufacturing | |||
| 334516 | 334516 | 334516 | Particle size analyzers manufacturing | |||
| 334516 | 334516 | 334516 | Photometers (except photographic exposure meters) manufacturing | |||
| 334516 | 334516 | 334516 | Photonexcitation analyzers manufacturing | |||
| 334516 | 334516 | 334516 | Polariscopes manufacturing | |||
| 334516 | 334516 | 334516 | Polarizers manufacturing | |||
| 334516 | 334516 | 334516 | Polarographic equipment manufacturing | |||
| 334516 | 334516 | 334516 | Protein analyzers, laboratory-type, manufacturing | |||
| 334516 | 334516 | 334516 | Redox (i.e., oxidation-reduction potential) instruments manufacturing | |||
| 334516 | 334516 | 334516 | Refractometers, laboratory-type, manufacturing | |||
| 334516 | 334516 | 334516 | Resonance instruments (i.e., laboratory-type) manufacturing | |||
| 334516 | 334516 | 334516 | Sample analysis instruments (except medical) manufacturing | |||
| 334516 | 334516 | 334516 | Scanning tunneling microscopes manufacturing | |||
| 334516 | 334516 | 334516 | Specific ion measuring instruments, laboratory-type, manufacturing | |||
| 334516 | 334516 | 334516 | Spectrofluorometers manufacturing | |||
| 334516 | 334516 | 334516 | Spectrographs manufacturing | |||
| 334516 | 334516 | 334516 | Spectrometers (e.g., electron diffraction, mass, NMR, Raman) manufacturing | |||
| 334516 | 334516 | 334516 | Spectrophotometers (e.g., atomic absorption, atomic emission, flame, fluorescence, infrared, Raman, visible) manufacturing | |||
| 334516 | 334516 | 334516 | Surface area analyzers manufacturing | |||
| 334516 | 334516 | 334516 | Thermal analysis instruments, laboratory-type, manufacturing | |||
| 334516 | 334516 | 334516 | Thermal conductivity instruments and sensors manufacturing | |||
| 334516 | 334516 | 334516 | Thermogravimetric analyzers manufacturing | |||
| 334516 | 334516 | 334516 | Titrimeters manufacturing | |||
| 334516 | 334516 | 334516 | Turbidometers, laboratory-type, manufacturing | |||
| 334516 | 334516 | 334516 | Ultraviolet-type analytical instruments manufacturing |