Reportable Operating Segments (Tables)

6 Months Ended

Jun. 30, 2013

Reportable Operating Segments

Schedule of revenue by segment

	For the three months ended June 30,
	2013				2012
Segment	Revenue		% of Segment Revenue		Revenue		% of Segment Revenue
East Construction Services	$	175,398	39.4	%	$	156,057	46.2	%
West Construction Services	258,194		58.0	%	167,287		49.6	%
Engineering	11,421		2.6	%	14,092		4.2	%
Total	$	445,013	100.0	%	$	337,436	100.0	%

	For the six months ended June 30,
	2013				2012
Segment	Revenue		% of Segment Revenue		Revenue		% of Segment Revenue
East Construction Services	$	365,609	42.8	%	$	277,907	44.2	%
West Construction Services	465,880		54.4	%	325,318		51.7	%
Engineering	23,519		2.8	%	25,784		4.1	%
Total	$	855,008	100.0	%	$	629,009	100.0	%

Schedule of gross profit by segment

	For the three months ended June 30,
	2013				2012
Segment	Gross Profit		% of Segment Revenue		Gross Profit		% of Segment Revenue
East Construction Services	$	15,215	8.7	%	$	17,360	11.1	%
West Construction Services	41,926		16.2	%	24,294		14.5	%
Engineering	2,396		21.0	%	2,350		16.7	%
Total	$	59,537	13.4	%	$	44,004	13.0	%

	For the six months ended June 30,
	2013				2012
Segment	Gross Profit		% of Segment Revenue		Gross Profit		% of Segment Revenue
East Construction Services	$	30,210	8.3	%	$	28,778	10.4	%
West Construction Services	70,675		15.2	%	48,695		15.0	%
Engineering	4,748		20.2	%	4,127		16.0	%
Total	$	105,633	12.4	%	$	81,600	13.0	%

Schedule of amount of goodwill recorded by segment

Segment	June 30, 2013		December 31, 2012
East Construction Services	$	70,946	$	69,859
West Construction Services	44,641		44,641
Engineering	2,441		2,441
Total	$	118,028	$	116,941

Schedule of revenue and total assets by geographic area

	Revenues
	For the six months ended June 30,
	2013				2012				Total Assets
Country:	Revenue		% of Revenue		Revenue		% of Revenue		June 30, 2013		December 31, 2012
United States	$	845,461	98.9	%	$	624,293	99.3	%	$	914,123	$	920,872
Non-United States	9,547		1.1		4,716		0.7		10,962		10,335
Total	$	855,008	100.0	%	$	629,009	100.0	%	$	925,085	$	931,207