CONDENSED CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
CONDENSED CONSOLIDATED STATEMENTS OF INCOME
Revenues	$ 445,013	$ 337,436	$ 855,008	$ 629,009
Cost of revenues	385,476	293,432	749,375	547,409
Gross profit	59,537	44,004	105,633	81,600
Selling, general and administrative expenses	31,560	23,396	60,179	43,670
Operating income	27,977	20,608	45,454	37,930
Other income (expense):
Income (loss) from non-consolidated entities	(213)	(47)	56	1,054
Foreign exchange loss	(29)	(6)	(88)	(48)
Other expense	(377)	(371)	(433)	(579)
Interest income	23	25	63	47
Interest expense	(1,498)	(1,006)	(2,922)	(2,107)
Income before provision for income taxes	25,883	19,203	42,130	36,297
Provision for income taxes	(9,990)	(7,346)	(16,197)	(13,910)
Net income	15,893	11,857	25,933	22,387
Less net income attributable to noncontrolling interests	(329)	(124)	(599)	(168)
Net income attributable to Primoris	$ 15,564	$ 11,733	$ 25,334	$ 22,219
Earnings per share:
Basic (in dollars per share)	$ 0.30	$ 0.23	$ 0.49	$ 0.43
Diluted (in dollars per share)	$ 0.30	$ 0.23	$ 0.49	$ 0.43
Weighted average common shares outstanding:
Basic (in shares)	51,562	51,435	51,510	51,386
Diluted (in shares)	51,626	51,435	51,547	51,386