1. Navigate through the pages of the table and find three NAI six-digit CS industries of interest, each one
beginning with a two digit prefix: i.e. one that begins 31, o different ne that begins with 32 and one that
begins with 33. For each of these three six-digit industries you have selected, list the corresponding three
through five digit NAICS codes (and industry names) that precede and generate the six-digit industries that
you have chosen (e.g., 339112 Surgical and Medical Instruments Manufactuting – codes preceeding:
339 Miscellaneous Manufacturing; 3391 Medical Equipment and Supplies Manufactuing; 33911 Medical
Equipment and Supplies Manufactuing).
2. For of the following ranges, 1) CR4 < 15 2) 25 < CR4 < 40 each 3) 60 < CR4 < 80 4) CR4 > 80
find and list two industries (at either the NAICS level) that five or six digit have CR4’s within the given
range. For each, make sure you list the (five or six digit) industry NAICS classification code (you do not
have to include the preceeding three through five digit codes), industry name, and value of CR4. (Note that
in this and the next question, your search may be facillitated by using appropriate filter options).
3) For of the following ra each nges, 1) HHI < 1000 2) 1000 < HHI < 1800 3) HHI 1800 find and list
two industries (at either the five or six digit NAICS level) that have HHI’s within the given range (select
different industries than you selected for question 2). For each, make sure you list the (five or six digit)
industry NAICS classification code (you do not have to include the preceeding three through five digit
codes), industry name, and value of HHI.
4) For each of the (six total) industries you found in question 3, compute the value of the numbers
equivalent, using each industry’s specific value of the HHI.
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