SEGMENT REPORTING

The Company's reportable business segments are: Service Centers, Innovative Pumping Solutions and Supply Chain Services. The Service Centers segment is engaged in providing maintenance, MRO products, equipment and integrated services, including logistics capabilities, to industrial customers. The Service Centers segment provides a wide range of MRO products in the rotating equipment, bearing, power transmission, hose, fluid power, metal working, fastener, industrial supply, safety products and safety services categories. The Innovative Pumping Solutions segment fabricates and assembles custom-made pump packages, remanufactures pumps and manufactures branded private label pumps. The Supply Chain Services segment provides a wide range of MRO products and manages all or part of a customer's supply chain, including warehouse and inventory management.

The high degree of integration of the Company's operations necessitates the use of a substantial number of allocations and apportionments in the determination of business segment information. Sales are shown net of intersegment eliminations.

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



	Three Months Ended June 30,
	2019								2018
	SC		IPS		SCS		Total		SC		IPS		SCS		Total
Product sales (recognized at a point in time)	$	184,444	$	—	$	48,385	$	232,829	$	176,191	$	—	$	40,127	$	216,318
Inventory management services (recognized over contract life)	—		—		3,927		$	3,927	—		—		3,267		$	3,267
Staffing services (day-rate basis)	15,534		—		—		$	15,534	17,385		—		—		$	17,385
Customized pump production (recognized over time)	—		81,028		—		$	81,028	—		74,257		—		$	74,257
Total Revenue	$	199,978	$	81,028	$	52,312	$	333,318	$	193,576	$	74,257	$	43,394	$	311,227
Income from operations	$	23,230	$	12,028	$	3,784	$	39,042	$	21,933	$	8,956	$	4,255	$	35,144



	Six Months Ended June 30,
	2019								2018
	SC		IPS		SCS		Total		SC		IPS		SCS		Total
Product sales (recognized at a point in time)	$	356,112	$	—	$	94,770	$	450,882	$	336,734	$	—	$	79,830	$	416,564
Inventory management services (recognized over contract life)	—		—		7,865		$	7,865	—		—		6,497		$	6,497
Staffing services (day-rate basis)	30,045		—		—		$	30,045	32,203		—		—		$	32,203
Customized pump production (recognized over time)	—		155,751		—		$	155,751	—		141,899		—		$	141,899
Total Revenue	$	386,157	$	155,751	$	102,635	$	644,543	$	368,937	$	141,899	$	86,327	$	597,163
Income from operations	$	42,210	$	18,827	$	7,870	$	68,907	37,762		15,338		8,309		$	61,409

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



	Three Months Ended June 30,					Six Months Ended June 30,
	2019		2018			2019		2018
Operating income for reportable segments	$	39,042	$	35,144		$	68,907	$	61,409
Adjustment for:
Amortization of intangible assets	3,803		4,119			7,617		8,477
Corporate expenses	12,392		10,965			23,627		21,723
Income from operations	$	22,847	$	20,060		37,663		31,209
Interest expense	4,885		6,137			9,925		11,178
Other income, net	185		(1,416		)	152		(1,438		)
Income before income taxes	$	17,777	$	15,339		$	27,586	$	21,469