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Reportable Segments (Tables)

12 Months Ended

Dec. 31, 2018

Reportable Segments

Schedule of revenue by segment

Revenue by segment for the years ended December 31, 2018, 2017 and 2016 was as follows (in thousands):


		2018					2017					2016
					% of					% of					% of
					Total					Total					Total
Segment		Revenue			Revenue		Revenue			Revenue		Revenue			Revenue
Power		$	694,048		23.6%		$	606,125		25.5%		$	478,653		24.0%
Pipeline			590,937		20.1%			465,570		19.5%			401,931		20.1%
Utilities			902,772		30.7%			806,523		33.9%			637,212		31.9%
Transmission (1)			286,749		9.8%			—		—			—		—
Civil			464,972		15.8%			501,777		21.1%			479,152		24.0%
Total		$	2,939,478		100.0%		$	2,379,995		100.0%		$	1,996,948		100.0%

(1)

Represents results from the June 1, 2018 acquisition date of Willbros to December 31, 2018.

Schedule of gross profit by segment

Gross profit by segment for the years ended December 31, 2018, 2017 and 2016 was as follows (in thousands):


		2018					2017					2016
					% of					% of					% of
					Segment					Segment
Segment		Gross Profit			Revenue		Gross Profit			Revenue		Gross Profit			Revenue
Power		$	109,789		15.8%		$	65,675		10.8%		$	49,807		10.4%
Pipeline			66,602		11.3%			92,087		19.8%			68,100		16.9%
Utilities			111,825		12.4%			113,037		14.0%			100,071		15.7%
Transmission (1)			31,904		11.1%			—		—			—		—
Civil			5,617		1.2%			7,635		1.5%			(16,671)		(3.5%)
Total		$	325,737		11.1%		$	278,434		11.7%		$	201,307		10.1%

(1)

Represents results from the June 1, 2018 acquisition date of Willbros to December 31, 2018.