SIC industry code (4 digits, string)
SIC industry code (4 digits, numeric)
SIC industry code (3 digits, string)
SIC industry code (3 digits, numeric)
SIC industry code (2 digits, string)
SIC industry code (2 digits, numeric)
SIC industry code (1 digit, string)
SIC industry code (1 digit, numeric)
SIC industry code description