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Segment Information | 9 Months Ended
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Sep. 30, 2019
Segment Information |
Segment Information | 9. Segment Information Our activities are within the mechanical services industry and the electrical services industry, which represent our two reportable segments. Each of our 35 operating locations represents an operating segment, and these segments have been aggregated into two reportable segments, as the operating locations meet all of the aggregation criteria. The following table presents information about our reportable segments (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended September 30, 2019
​ |  | Mechanical Services |  | Electrical Services |  | Corporate & Eliminations |  | Consolidated
Revenue | ​ | $ | 590,016 | ​ | $ | 116,902 | ​ | $ | — | ​ | $ | 706,918
Gross Profit | ​ | $ | 128,501 | ​ | $ | 14,201 | ​ | $ | — | ​ | $ | 142,702
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended September 30, 2018
​ |  | Mechanical Services |  | Electrical Services |  | Corporate & Eliminations |  | Consolidated
Revenue | ​ | $ | 592,925 | ​ | $ | 1,611 | ​ | $ | — | ​ | $ | 594,536
Gross Profit | ​ | $ | 127,669 | ​ | $ | 199 | ​ | $ | — | ​ | $ | 127,868
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Nine Months Ended September 30, 2019
​ |  | Mechanical Services |  | Electrical Services |  | Corporate & Eliminations |  | Consolidated
Revenue | ​ | $ | 1,677,632 | ​ | $ | 218,061 | ​ | $ | — | ​ | $ | 1,895,693
Gross Profit | ​ | $ | 344,632 | ​ | $ | 24,751 | ​ | $ | — | ​ | $ | 369,383
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Nine Months Ended September 30, 2018
​ |  | Mechanical Services |  | Electrical Services |  | Corporate & Eliminations |  | Consolidated
Revenue | ​ | $ | 1,592,909 | ​ | $ | 1,611 | ​ | $ | — | ​ | $ | 1,594,520
Gross Profit | ​ | $ | 327,905 | ​ | $ | 199 | ​ | $ | — | ​ | $ | 328,104
​

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- Definition The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -URI http://asc.fasb.org/topic&trid=2134510 + Details
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