[Santa Clarita Valley Economic Development Corp.] – Inc. Magazine placed three Santa Clarita Valley firms on its fifth annual Inc. 500/5000 list, an exclusive ranking of the nation’s fastest-growing private companies.

With more than $58 million in revenue and a 120% three-year growth rate Klassen Corp., came in at No. 2,106 on the list. Headquartered in Bakersfield, the design-build construction firm recently opened a second office in the Santa Clarita Valley to manage its Southern California projects, including the College of the Canyons library expansion.

Nexus IS, one of the nation’s largest providers of technology solutions to small and medium-sized business, made its third appearance on the annual list. Ranking No. 3577, the firm had revenues of $205.1 million and a three-year growth rate of 46 percent in 2010.

Landing at No. 3,753, Wesco Aircraft Holdings posted $656 million in revenue and 40-percent three-year growth rate. The Valencia-based aircraft hardware and parts supplier, which recently completed its IPO, controls approximatley 10 percent of the $6.5 billion global market for hardware, bearings, electronic components and machined parts.

Klassen Corp., Nexus IS and Wesco Aircraft join social media site LinkedIn, television-maker Vizio, Honest Tea and Dunkin’ Donuts, among other prominent brands featured on this year’s lists of fastest-growing companies.

To view the entire Inc. Magazine 500/5000 list, visit http://www.inc.com/inc5000/welcome.