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REVENUE (Tables)
 12 Months Ended
Dec. 31, 2020
Disaggregation of Revenue [Line Items]  
Disaggregation of Revenue The following table presents the Company's percentage of revenue by reportable segment and by major customer industry:
 Twelve Months Ended December 31, 2020
 United States Canada 
Total Company (2)
Government21 % 9 % 16 %
Heavy Manufacturing16 % 18 % 15 %
Light Manufacturing13 % 7 % 10 %
Transportation5 % 10 % 5 %
Healthcare10 %— %7 %
Commercial8 % 9 % 7 %
Retail/Wholesale10 % 3 % 8 %
Contractors9 % 10 % 7 %
Natural Resources2 % 29 % 3 %
Other (1)
6 % 5 % 22 %
Total net sales100 % 100 % 100 %
Percent of Total Company Revenue73 % 4 % 100 %
(1) Other category primarily includes revenue from individual customers not aligned to major industry segment, including small businesses and consumers, and intersegment net sales.
(2) Total Company includes other businesses, which include the Company's endless assortment businesses and smaller international high-touch businesses and account for approximately 23% of revenue for the twelve months ended December 31, 2020.
 Twelve Months Ended December 31, 2019
 United States Canada 
Total Company (2)
Government18 %6 %14 %
Heavy Manufacturing19 %20 %17 %
Light Manufacturing12 %6 %10 %
Transportation6 %8 %5 %
Healthcare7 %— %6 %
Commercial10 %9 %8 %
Retail/Wholesale9 %4 %7 %
Contractors10 %10 %8 %
Natural Resources3 %33 %4 %
Other (1)
6 %4 %21 %
Total net sales100 % 100 % 100 %
Percent of Total Company Revenue72 % 5 % 100 %
(1) Other category primarily includes revenue from individual customers not aligned to major industry segment, including small businesses and consumers, and intersegment net sales.
(2) Total Company includes other businesses, which include the Company's endless assortment businesses and smaller international high-touch businesses and account for approximately 23% of revenue for the twelve months ended December 31, 2019.