The data published with NAICS code 333314 include the following SIC industries:
3699 Electrical equipment and supplies, n.e.c. (pt)
3827 Optical instruments and lenses
This definition comes from the 1997 NAICS manual. However, for this industry, the 1997 Economic Census Manufacturing implemented the conversion to NAICS differently. Data for NAICS industry 333314 include establishments primarily engaged in the manufacture of sighting and tracking laser products.
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