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Segment Information
12 Months Ended
Dec. 31, 2019
Segment Information  
Segment Information

14. Segment Information

We have two reportable segments: (a) our mechanical segment, which includes HVAC, plumbing, piping, and controls, as well as off-site construction, monitoring and fire protection; and (b) our electrical segment, which includes installation and servicing of electrical systems. We consider these two lines of business to be separate segments because they require different skill sets, and the business models for providing services have some differences, as a mechanical system requires ongoing maintenance and monitoring and an electrical system generally does not. However, the business model for installation of new systems or retrofitting existing systems is very similar between the two segments.

Our activities are within the mechanical services industry and the electrical services industry, which represent our two reportable segments. We aggregate our operating segments into two reportable segments, as the operating segments meet all of the aggregation criteria. Substantially all of our revenue is generated, and all of our assets are located, in the United States, our country of domicile. The following table presents information about our reportable segments (in thousands):

    

Mechanical Services

    

Electrical Services

    

Corporate

    

Consolidated

Total Assets at December 31, 2019

$

1,056,609

$

372,254

$

76,149

$

1,505,012

Total Assets at December 31, 2018

$

970,995

$

23,078

$

68,491

$

1,062,564

Year Ended December 31, 2019

    

Mechanical Services

    

Electrical Services

    

Corporate

    

Consolidated

Revenue

$

2,251,560

$

363,717

$

$

2,615,277

Gross Profit

$

465,144

$

36,799

$

$

501,943

Capital Expenditures

$

27,933

$

1,504

$

2,314

$

31,750

Year Ended December 31, 2018

    

Mechanical Services

    

Electrical Services

    

Corporate

    

Consolidated

Revenue

$

2,176,223

$

6,656

$

$

2,182,879

Gross Profit

$

444,960

$

1,319

$

$

446,279

Capital Expenditures

$

25,945

$

57

$

1,266

$

27,268

Year Ended December 31, 2017

    

Mechanical Services

    

Electrical Services

    

Corporate

    

Consolidated

Revenue

$

1,787,922

$

$

$

1,787,922

Gross Profit

$

366,281

$

$

$

366,281

Capital Expenditures

$

34,587

$

$

880

$

35,467