The data published with NAICS code 334511 include the following SIC industries:
3699 Electrical equipment and supplies, n.e.c. (pt)
3812 Search and navigation equipment
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 334511 include establishments primarily engaged in the manufacture of search and detection laser products.
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