Segment Information

12 Months Ended

Dec. 31, 2019

SEGMENT INFORMATION

Our reportable segments reflect certain reclassifications of prior year amounts from our United States mechanical construction and facilities services segment to our United States building services and our United States industrial services segments due to changes in our internal reporting structure.

We have the following reportable segments: (a) United States electrical construction and facilities services (involving systems for electrical power transmission and distribution; premises electrical and lighting systems; process instrumentation in the refining, chemical processing, food processing and mining industries; low-voltage systems, such as fire alarm, security and process control; voice and data communication; roadway and transit lighting; and fiber optic lines); (b) United States mechanical construction and facilities services (involving systems for heating, ventilation, air conditioning, refrigeration and clean-room process ventilation; fire protection; plumbing, process and high-purity piping; controls and filtration; water and wastewater treatment and central plant heating and cooling; cranes and rigging; millwrighting; and steel fabrication, erection and welding); (c) United States building services; (d) United States industrial services; and (e) United Kingdom building services. The “United States building services” and “United Kingdom building services” segments principally consist of those operations which provide a portfolio of services needed to support the operation and maintenance of customers’ facilities, including commercial and government site-based operations and maintenance; facility maintenance and services, including reception, security and catering services; outage services to utilities and industrial plants; military base operations support services; mobile mechanical maintenance and services; floor care and janitorial services; landscaping, lot sweeping and snow removal; facilities management; vendor management; call center services; installation and support for building systems; program development, management and maintenance for energy systems; technical consulting and diagnostic services; infrastructure and building projects for federal, state and local governmental agencies

and bodies; and small modification and retrofit projects, which services are not generally related to customers’ construction programs. The “United States industrial services” segment principally consists of those operations which provide industrial maintenance and services for refineries, petrochemical plants, and other customers within the oil and gas industry. Services of this segment include refinery turnaround planning and engineering; specialty welding; overhaul and maintenance of critical process units; specialty technical services; on-site repairs, maintenance and service of heat exchangers, towers, vessels and piping; design, manufacturing, repair, and hydro blast cleaning of shell and tube heat exchangers and related equipment; and construction, maintenance, and other support services for customers within the upstream and midstream sectors.

The following tables present information about industry segments and geographic areas for the years ended December 31, 2019, 2018, and 2017 (in thousands):



	2019			2018			2017
Revenues from unrelated entities:
United States electrical construction and facilities services	$	2,216,600		$	1,954,323		$	1,829,567
United States mechanical construction and facilities services	3,340,337			2,962,843			2,880,148
United States building services	2,106,872			1,875,485			1,753,703
United States industrial services	1,087,543			923,109			882,836
Total United States operations	8,751,352			7,715,760			7,346,254
United Kingdom building services	423,259			414,871			340,745
Total worldwide operations	$	9,174,611		$	8,130,631		$	7,686,999

Total revenues:
United States electrical construction and facilities services	$	2,220,582		$	1,959,978		$	1,836,985
United States mechanical construction and facilities services	3,370,960			2,998,918			2,911,033
United States building services	2,182,390			1,942,663			1,812,763
United States industrial services	1,111,264			930,724			885,198
Less intersegment revenues	(133,844		)	(116,523		)	(99,725		)
Total United States operations	8,751,352			7,715,760			7,346,254
United Kingdom building services	423,259			414,871			340,745
Total worldwide operations	$	9,174,611		$	8,130,631		$	7,686,999



	2019			2018			2017
Operating income (loss):
United States electrical construction and facilities services	$	161,684		$	139,430		$	150,001
United States mechanical construction and facilities services	225,040			219,853			192,167
United States building services	114,754			93,827			81,720
United States industrial services	44,340			27,671			39,313
Total United States operations	545,818			480,781			463,201
United Kingdom building services	18,323			15,930			12,905
Corporate administration	(101,726		)	(90,415		)	(87,808		)
Restructuring expenses	(1,523		)	(2,306		)	(1,577		)
Impairment loss on goodwill and identifiable intangible assets	—			(907		)	(57,819		)
Total worldwide operations	460,892			403,083			328,902
Other corporate items:
Net periodic pension (cost) income	1,553			2,743			1,652
Interest expense	(13,821		)	(13,544		)	(12,770		)
Interest income	2,265			2,746			965
Income from continuing operations before income taxes	$	450,889		$	395,028		$	318,749



Capital expenditures:
United States electrical construction and facilities services	$	5,876	$	5,993	$	4,797
United States mechanical construction and facilities services	7,890		7,504		6,665
United States building services	14,291		10,414		10,745
United States industrial services	15,802		18,386		9,696
Total United States operations	43,859		42,297		31,903
United Kingdom building services	3,598		870		2,166
Corporate administration	975		312		615
Total worldwide operations	$	48,432	$	43,479	$	34,684

Depreciation and amortization of property, plant and equipment:
United States electrical construction and facilities services	$	7,550	$	6,221	$	6,545
United States mechanical construction and facilities services	8,764		7,803		7,504
United States building services	12,728		10,324		11,051
United States industrial services	11,154		9,943		10,589
Total United States operations	40,196		34,291		35,689
United Kingdom building services	2,942		3,447		3,371
Corporate administration	807		734		855
Total worldwide operations	$	43,945	$	38,472	$	39,915



	2019		2018		2017
Contract assets:
United States electrical construction and facilities services	$	50,813	$	38,412	$	35,060
United States mechanical construction and facilities services	61,225		49,302		50,302
United States building services	30,428		33,304		26,028
United States industrial services	9,820		14,117		3,715
Total United States operations	152,286		135,135		115,105
United Kingdom building services	25,544		23,108		7,516
Total worldwide operations	$	177,830	$	158,243	$	122,621

Contract liabilities:
United States electrical construction and facilities services	$	173,967	$	163,951	$	178,454
United States mechanical construction and facilities services	317,083		280,846		288,699
United States building services	97,588		79,281		48,481
United States industrial services	12,404		12,307		4,615
Total United States operations	601,042		536,385		520,249
United Kingdom building services	22,600		15,905		3,907
Total worldwide operations	$	623,642	$	552,290	$	524,156



Long-lived assets:
United States electrical construction and facilities services	$	215,780	$	201,333	$	180,990
United States mechanical construction and facilities services	530,561		334,628		340,030
United States building services	458,915		436,887		409,718
United States industrial services	615,233		630,340		643,124
Total United States operations	1,820,489		1,603,188		1,573,862
United Kingdom building services	9,622		9,264		11,729
Corporate administration	1,431		1,072		1,494
Total worldwide operations	$	1,831,542	$	1,613,524	$	1,587,085



Total assets:
United States electrical construction and facilities services	$	834,802	$	702,112	$	617,471
United States mechanical construction and facilities services	1,536,325		1,081,005		1,071,164
United States building services	996,664		846,221		764,085
United States industrial services	829,793		864,446		798,975
Total United States operations	4,197,584		3,493,784		3,251,695
United Kingdom building services	181,147		146,379		131,806
Corporate administration	451,627		448,644		582,403
Total worldwide operations	$	4,830,358	$	4,088,807	$	3,965,904

During 2018, we recognized losses of $10.0 million on a transportation project within our United States electrical construction and facilities services segment, resulting in part from contract scope issues. During 2017, we recognized $18.1 million of gross profit associated with the recovery of certain contract costs previously disputed on a project completed in 2016 within our United States industrial services segment.