Segment Information | 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 segment due to changes in our internal reporting structure. We have the following reportable segments which provide services associated with the design, integration, installation, start-up, operation and maintenance of various systems: (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 process, food process 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; 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 our 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 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, including those for refineries and petrochemical plants, including 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; refinery turnaround planning and engineering services; specialty welding services; overhaul and maintenance of critical process units in refineries and petrochemical plants; and specialty technical services for refineries and petrochemical plants. The following tables present information about industry segments and geographic areas for the three months ended March 31, 2017 and 2016 (in thousands): For the three months ended March 31, 2017 2016 Revenues from unrelated entities: United States electrical construction and facilities services $ 443,016 $ 348,289 United States mechanical construction and facilities services 671,129 608,428 United States building services 440,030 443,113 United States industrial services 258,539 257,504 Total United States operations 1,812,714 1,657,334 United Kingdom building services 79,018 87,636 Total worldwide operations $ 1,891,732 $ 1,744,970 Total revenues: United States electrical construction and facilities services $ 444,016 $ 354,104 United States mechanical construction and facilities services 679,391 611,770 United States building services 454,944 455,797 United States industrial services 258,905 257,870 Less intersegment revenues (24,542 ) (22,207 ) Total United States operations 1,812,714 1,657,334 United Kingdom building services 79,018 87,636 Total worldwide operations $ 1,891,732 $ 1,744,970 NOTE 13 Segment Information - (Continued) For the three months ended March 31, 2017 2016 Operating income (loss): United States electrical construction and facilities services $ 31,034 $ 16,707 United States mechanical construction and facilities services 40,433 23,781 United States building services 14,209 13,998 United States industrial services 17,044 18,866 Total United States operations 102,720 73,352 United Kingdom building services 1,679 3,311 Corporate administration (21,060 ) (20,957 ) Restructuring expenses (565 ) (91 ) Total worldwide operations 82,774 55,615 Other corporate items: Interest expense (3,071 ) (2,376 ) Interest income 257 165 Income from continuing operations before income taxes $ 79,960 $ 53,404 March 31, December 31, Total assets: United States electrical construction and facilities services $ 617,529 $ 631,581 United States mechanical construction and facilities services 958,733 954,633 United States building services 798,606 753,434 United States industrial services 901,420 850,434 Total United States operations 3,276,288 3,190,082 United Kingdom building services 114,951 105,081 Corporate administration 413,923 557,275 Total worldwide operations $ 3,805,162 $ 3,852,438 |