Segment Information

12 Months Ended

Dec. 31, 2018

Note 17. Segment Information

We have one reportable segment – metals service centers. All of our recent acquisitions were metals service centers and did not result in new reportable segments. Although a variety of products or services are sold at our various locations, in total, sales were comprised of the following in each of the three years ended December 31:


	2018		2017		2016
Carbon steel	53	%	52	%	52	%
Aluminum	19	%	19	%	20	%
Stainless steel	14	%	14	%	14	%
Alloy	6	%	6	%	5	%
Toll processing and logistics	4	%	4	%	4	%
Other	4	%	5	%	5	%
Total	100	%	100	%	100	%

The following table summarizes consolidated financial information of our operations by geographic location based on where sales originated from:


	United States		Foreign Countries		Total
	(in millions)
Year Ended December 31, 2018
Net sales	$	10,638.4	$	896.1	$	11,534.5
Long-lived assets		4,431.8		328.1		4,759.9
Year Ended December 31, 2017
Net sales		8,847.3		873.7		9,721.0
Long-lived assets		4,353.7		346.0		4,699.7
Year Ended December 31, 2016
Net sales		7,867.3		746.1		8,613.4
Long-lived assets		4,385.2		337.6		4,722.8