REVENUE

Disaggregation of Revenue

The following tables disaggregate our revenue by primary geographical market and industry:

Primary Geographical Markets



	Year ended December 31, 2018
	FMS		DTS	SCS	Eliminations		Total
	(In thousands)
United States	$	4,618,012	1,333,313	1,990,485	(554,764	)	7,387,046
Canada	301,741		—	185,655	(22,705	)	464,691
Europe	335,474		—	—	—		335,474
Mexico	—		—	198,148	—		198,148
Singapore	—		—	23,856	—		23,856
Total revenue	$	5,255,227	1,333,313	2,398,144	(577,469	)	8,409,215



	Year ended December 31, 2017
	FMS		DTS	SCS	Eliminations		Total
	(In thousands)
United States	$	4,130,528	1,095,645	1,569,957	(449,946	)	6,346,184
Canada	281,668		—	166,078	(19,568	)	428,178
Europe	321,375		—	—	—		321,375
Mexico	—		—	170,525	—		170,525
Singapore	—		—	30,792	—		30,792
Total revenue	$	4,733,571	1,095,645	1,937,352	(469,514	)	7,297,054



	Year ended December 31, 2016
	FMS		DTS	SCS	Eliminations		Total
	(In thousands)
United States	$	3,952,015	1,020,543	1,302,730	(411,618	)	5,863,670
Canada	264,759		—	139,159	(16,337	)	387,581
Europe	339,420		—	—	—		339,420
Mexico	—		—	139,176	—		139,176
Singapore	—		—	28,291	—		28,291
Total revenue	$	4,556,194	1,020,543	1,609,356	(427,955	)	6,758,138

Industry

We have a diversified portfolio of customers across a full array of transportation and logistics solutions and across many industries. We believe this will help to mitigate the impact of adverse downturns in specific sectors of the economy. Our portfolio of ChoiceLease and commercial rental customers is not concentrated in any one particular industry or geographic region. We derive a significant portion of our SCS revenue from the automotive industry, mostly from manufacturers and suppliers of original equipment parts. Our SCS business segment includes revenue from the below industries:



		Year ended December 31,
		2018		2017	2016
	(In thousands)
Automotive		$	947,408	783,640	724,082
Technology and healthcare		480,026		387,252	283,836
CPG and retail		766,765		535,689	452,096
Industrial and other		203,945		230,771	149,342
Total revenue		$	2,398,144	1,937,352	1,609,356

Contract Balances

We record a receivable related to revenue recognized when we have an unconditional right to invoice. There were no material contract assets as of December 31, 2018 or 2017. Trade receivables were $1.09 billion and $899 million at December 31, 2018 and 2017, respectively. Impairment losses on receivables were not material during 2018 and 2017.

Contract liabilities relate to payments received in advance of performance under the contract. Changes in contract liabilities are due to our performance under the contract. The amount of revenue recognized during 2018 that was included within deferred revenue at January 1, 2018, was $13 million.