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Reportable Operating Segments (Tables)

6 Months Ended

Jun. 30, 2014

Reportable Operating Segments

Schedule of revenue by segment

		For the three months ended June 30,
		2014					2013
Segment		Revenue			% of Segment Revenue		Revenue			% of Segment Revenue

East		$	278,066		54.0	%	$	175,398		39.4	%
West		224,391			43.5	%	258,194			58.0	%
Engineering		12,834			2.5	%	11,421			2.6	%
Total		$	515,291		100.0	%	$	445,013		100.0	%

		For the six months ended June 30,
		2014					2013
Segment		Revenue			% of Segment Revenue		Revenue			% of Segment Revenue

East		$	501,138		50.9	%	$	365,609		42.8	%
West		458,417			46.5	%	465,880			54.4	%
Engineering		25,810			2.6	%	23,519			2.8	%
Total		$	985,365		100.0	%	$	855,008		100.0	%

Schedule of gross profit by segment

		For the three months ended June 30,
		2014					2013
Segment		Gross Profit			% of Segment Revenue		Gross Profit			% of Segment Revenue

East		$	21,309		7.7	%	$	15,215		8.7	%
West		37,809			16.9	%	41,926			16.2	%
Engineering		2,076			16.2	%	2,396			21.0	%
Total		$	61,194		11.9	%	$	59,537		13.4	%

		For the six months ended June 30,
		2014					2013
Segment		Gross Profit			% of Segment Revenue		Gross Profit			% of Segment Revenue

East		$	37,325		7.5	%	$	30,210		8.3	%
West		69,483			15.2	%	70,675			15.2	%
Engineering		4,143			16.1	%	4,748			20.2	%
Total		$	110,951		11.3	%	$	105,633		12.4	%

Schedule of amount of goodwill recorded by segment

Segment		June 30, 2014			December 31, 2013

East		$	70,946		$	70,946
West		45,239			45,239
Engineering		2,441			2,441
Total		$	118,626		$	118,626

Schedule of revenue and total assets by geographic area

		External Revenues
		For the six months ended June 30,
		2014					2013					Total Assets
Country:		Revenue			% of Revenue		Revenue			% of Revenue		June 30, 2014			December 31, 2013

United States		$	974,735		98.9	%	$	845,461		98.9	%	$	1,043,406		$	1,039,322
Non-United States		10,630			1.1		9,547			1.1		11,600			11,371
Total		$	985,365		100.0	%	$	855,008		100.0	%	$	1,055,006		$	1,050,693