The data published with NAICS code 333512 include the following SIC industries:
3541 Machine tools, metal cutting types
3699 Electrical equipment and supplies, n.e.c. (pt)
This definition comes from the 1997 NAICS manual. However, for this industry, the 1997 Economic Census Manufacturing did not fully implement the conversion to NAICS. Data for NAICS industry 333512 include establishments primarily engaged in the manufacture of metal cooling towers. The NAICS definitions will be fully implemented with the 2002 Economic Census.
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