EXHIBIT 12.1

Dycom Industries, Inc.

Computation of Ratio of Earnings to Fixed Charges

	Three Months Ended			Fiscal Year Ended
	October 27, 2012			July 28, 2012			July 30, 2011			July 31, 2010			July 25, 2009			July 26, 2008
	(Dollars in thousands)
Earnings, as defined:
Income (loss) from continuing operations before cumulative effect of changes in accounting principles	$	11,861		$	39,378		$	16,107		$	5,849		$	(53,094	)	$	24,404
Income tax expense (benefit)		7,641			25,183			12,377			4,881			(1,405	)		13,180
Fixed charges included in the determination of net income		5,963			24,001			22,185			20,292			21,921			20,520
Total earnings, as defined	$	25,465		$	88,562		$	50,669		$	31,022		$	(32,578	)	$	58,104
Fixed charges, as defined:
Interest charges	$	4,197		$	16,745		$	16,017		$	14,272		$	14,743		$	13,096
Rental interest factor		1,766			7,256			6,168			6,020			7,178			7,424
Total fixed charges, as defined	$	5,963		$	24,001		$	22,185		$	20,292		$	21,921		$	20,520
Ratio of earnings to fixed charges		4.3	x		3.7	x		2.3	x		1.5	x		—			2.8	x