Reportable Segments (Tables)

9 Months Ended

Sep. 30, 2017

Reportable Segments

Schedule of revenue by segment

	For the three months ended September 30,
	2017			2016
			% of			% of
			Total			Total
Segment	Revenue		Revenue	Revenue		Revenue
Power	$	154,178	25.3%	$	101,811	20.0%
Pipeline		84,357	13.9%		106,042	20.9%
Utilities		246,524	40.5%		186,985	36.8%
Civil		123,252	20.3%		112,990	22.3%
Total	$	608,311	100.0%	$	507,828	100.0%

	For the nine months ended September 30,
	2017			2016
			% of			% of
			Total			Total
Segment	Revenue		Revenue	Revenue		Revenue
Power	$	443,191	24.6%	$	367,025	26.3%
Pipeline		402,425	22.4%		217,182	15.6%
Utilities		576,446	32.0%		447,858	32.1%
Civil		378,916	21.0%		363,020	26.0%
Total	$	1,800,978	100.0%	$	1,395,085	100.0%

Schedule of gross profit by segment

	For the three months ended September 30,
	2017			2016
			% of			% of
			Segment			Segment
Segment	Gross Profit		Revenue	Gross Profit		Revenue
Power	$	18,842	12.2%	$	10,893	10.7%
Pipeline		12,084	14.3%		32,402	30.6%
Utilities		36,081	14.6%		33,925	18.1%
Civil		3,414	2.8%		(27,091)	(24.0%)
Total	$	70,421	11.6%	$	50,129	9.9%

	For the nine months ended September 30,
	2017			2016
			% of			% of
			Segment			Segment
Segment	Gross Profit		Revenue	Gross Profit		Revenue
Power	$	52,498	11.8%	$	36,570	10.0%
Pipeline		79,575	19.8%		43,870	20.2%
Utilities		76,701	13.3%		68,651	15.3%
Civil		1,183	0.3%		(16,400)	(4.5%)
Total	$	209,957	11.7%	$	132,691	9.5%