Segment Information (Tables)

6 Months Ended

Jun. 30, 2020

Segment Information

Summary of information about reportable segments

	Three Months Ended June 30, 2020
	Mechanical Services		Electrical Services		Corporate		Consolidated
Revenue	$	622,700	$	120,768	$	—	$	743,468
Gross Profit	$	135,757	$	9,938	$	—	$	145,695
	Three Months Ended June 30, 2019
	Mechanical Services		Electrical Services		Corporate		Consolidated
Revenue	$	553,031	$	97,271	$	—	$	650,302
Gross Profit	$	110,279	$	9,737	$	—	$	120,016
	Six Months Ended June 30, 2020
	Mechanical Services		Electrical Services		Corporate		Consolidated
Revenue	$	1,188,164	$	255,435	$	—	$	1,443,599
Gross Profit	$	244,679	$	18,109	$	—	$	262,788
	Six Months Ended June 30, 2019
	Mechanical Services		Electrical Services		Corporate		Consolidated
Revenue	$	1,087,616	$	101,159	$	—	$	1,188,775
Gross Profit	$	216,131	$	10,550	$	—	$	226,681