SEGMENT REPORTING (Tables)

3 Months Ended

Mar. 31, 2019

The following table sets out financial information related to the Company's segments excluding amortization (in thousands):



Three Months Ended March 31, 2019
	SC		IPS		SCS		Total
Product sales (recognized at a point in time)	$	171,668	$	—	$	46,385	$	218,053
Inventory management services (recognized over contract life)	—		—		3,938		3,938
Staffing services (day-rate basis)	14,511		—		—		14,511
Customized pump production (recognized over time)	—		74,723		—		74,723
Total Revenue	$	186,179	$	74,723	$	50,323	$	311,225
Income from operations	$	18,980	$	6,799	$	4,086	$	29,865



Three Months Ended March 31, 2018
	SC		IPS		SCS		Total
Product sales (recognized at a point in time)	$	160,544	$	—	$	39,702	$	200,246
Inventory management services (recognized over contract life)	—		—		3,230		3,230
Staffing services (day-rate basis)	14,818		—		—		14,818
Customized pump production (recognized over time)	—		67,642		—		67,642
Total Revenue	$	175,362	$	67,642	$	42,932	$	285,936
Income from operations	$	15,830	$	6,382	$	4,054	$	26,266

The following table presents reconciliations of operating income for reportable segments to the consolidated income before taxes (in thousands):



	Three Months Ended March 31,
	2019			2018
Operating income for reportable segments	$	29,865		$	26,266
Adjustment for:
Amortization of intangible assets	3,814			4,358
Corporate expenses	11,235			10,759
Income from operations	$	14,816		$	11,149
Interest expense	5,040			5,041
Other income, net	(33		)	(22		)
Income before income taxes	$	9,809		$	6,130

The Company's identifiable assets by segments are as follows (in thousands):



	As of March 31, 2019		As of December 31, 2018
Service Centers	$	460,604	$	402,944
Innovative Pumping Solutions	209,742		188,765
Supply Chain Services	59,725		53,517
Total Identifiable Assets	$	730,071	$	645,226