T.I.I. Smart Solutions S-4 Registration of securities issued in business combination transactions

Exhibit 12.1

Computation of Ratio of Earnings to Fixed Charges

(Dollar amounts in thousands)

	Successor												Predecesor
	Three months ended March 31,						Year ended December 31, 2011			Three months ended December 31, 2010			Nine months ended September 30, 2010			Years Ended December 31,
	2012			2011												2009			2008			2007
Earnings:
Income (loss) from continuing operations before income taxes	$	4,585		$	(5,275	)	$	(5,050	)	$	(178	)	$	60,185		$	88,497		$	73,450		$	47,920
Less: Earnings from equity method investment		(66	)		—			(833	)		—			(2,270	)		(3,508	)		(4,229	)		(2,799	)
Plus: Dividends from equity method investees		—			—			1,467			—			68			2,195			2,400			2,490
Fixed charges		12,018			14,805			51,951			14,205			2,285			2,781			2,808			2,981
Less: Capitalized interest		(96	)		—			(433	)		—			—			—			—			—
Earnings adjusted for fixed charges	$	16,441		$	9,530		$	47,102		$	14,027		$	60,268		$	89,965		$	74,429		$	50,592
Fixed charges:
Interest expense	$	11,272		$	14,122		$	48,856		$	13,436		$	70		$	91		$	170		$	376
Capitalized interest		96			—			433			—			—			—			—			—
Interest component of rent expense(A)		650			683			2,662			769			2,215			2,690			2,638			2,605
Total fixed charges	$	12,018		$	14,805		$	51,951		$	14,205		$	2,285		$	2,781		$	2,808		$	2,981
Ratio of earnings to fixed charges		1.37			(B	)		(B	)		(B	)		26.38			32.34			26.51			16.97

^(A) One-third of rent expense is deemed to be representative of interest.

^(B) Our earnings were not sufficient to cover fixed charges by $5.3 million, $4.8 million and $0.2 million for the three months ended March 31, 2011, for the year ended December 31, 2011 and for the three months ended December 31, 2010, respectively.