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The original NAICS contains some codes ending with “X” or “XX”. They were adjusted as follows:

SITC Rev. 2    Original NAICS      Adjusted NAICS

  0011                  11211X                     1121

  0014                  1123XX                    1123

  025                    1123XX                    1123

  0484                  31181X                     3118

  0611                  31131X                     3113

  0612                  31131X                     3113

  0613                  31131X                     3113

  3510                  22111X                     2211

  7132                  33631X                     33631

concordance.csv

concordance.xls

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