Reportable Operating Segments (Tables)

9 Months Ended

Sep. 30, 2013

Reportable Operating Segments

Schedule of revenue by segment

Segment Revenues

Revenue by segment for the three months ended September 30, 2013 and 2012 were as follows:

	For the three months ended September 30,
	2013				2012
Segment	Revenue		% of Segment Revenue		Revenue		% of Segment Revenue
East	$	178,716	32.4	%	$	181,260	42.0	%
West	362,362		65.7	%	242,033		56.0	%
Engineering	10,255		1.9	%	8,549		2.0	%
Total	$	551,333	100.0	%	$	431,842	100.0	%

Revenue by segment for the nine months ended September 30, 2013 and 2012 were as follows:

	For the nine months ended September 30,
	2013				2012
Segment	Revenue		% of Segment Revenue		Revenue		% of Segment Revenue
East	$	544,325	38.7	%	$	459,167	43.3	%
West	828,242		58.9	%	567,351		53.5	%
Engineering	33,774		2.4	%	34,333		3.2	%
Total	$	1,406,341	100.0	%	$	1,060,851	100.0	%

Schedule of gross profit by segment

Segment Gross Profit

Gross profit by segment for the three months ended September 30, 2013 and 2012 were as follows:

	For the three months ended September 30,
	2013				2012
Segment	Gross Profit		% of Segment Revenue		Gross Profit		% of Segment Revenue
East	$	10,600	5.9	%	$	18,664	10.3	%
West	62,520		17.3	%	35,602		14.7	%
Engineering	2,345		22.9	%	2,025		23.7	%
Total	$	75,465	13.7	%	$	56,291	13.0	%

Gross profit by segment for the nine months ended September 30, 2013 and 2012 were as follows:

	For the nine months ended September 30,
	2013				2012
Segment	Gross Profit		% of Segment Revenue		Gross Profit		% of Segment Revenue
East	$	40,810	7.5	%	$	47,442	10.3	%
West	133,195		16.1	%	84,297		14.9	%
Engineering	7,093		21.0	%	6,152		17.9	%
Total	$	181,098	12.9	%	$	137,891	13.0	%

Schedule of amount of goodwill recorded by segment

Segment Goodwill

The following presents the amount of goodwill recorded by segment at September 30, 2013 and at December 31, 2012.

Segment	September 30, 2013		December 31, 2012
East	$	70,946	$	69,859
West	45,239		44,641
Engineering	2,441		2,441
Total	$	118,626	$	116,941

Schedule of revenue and total assets by geographic area

Geographic Region — Revenues and Total Assets

Revenue and total assets by geographic area for the nine months ended September 30, 2013 and 2012 were as follows:

	Revenues
	For the nine months ended September 30,
	2013				2012				Total Assets
Country:	Revenue		% of Revenue		Revenue		% of Revenue		September 30, 2013		December 31, 2012
United States	$	1,393,837	99.1	%	$	1,053,547	99.3	%	$	1,007,980	$	920,872
Non-United States	12,504		0.9		7,304		0.7		11,097		10,335
Total	$	1,406,341	100.0	%	$	1,060,851	100.0	%	$	1,019,077	$	931,207