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100 Fastest-Growing Tech Companies 

Our rankings show another banner year for the leaders of the tech revival.

NetScout Systems
Rank: 34
Get quote: NTCT
Employees: 370
Headquarters: Westford, MA
Sector(s): Software
Why it's hot:
Cell-phone carriers use its software to monitor network performance and troubleshoot slowdowns. Few rivals can top the amount of data it collects.
Revenue 101 13.4 89
Earnings 7.5 180.2 8
Operating cash flow 18.9 49.3 57
Stock return (2006) 52
Headcount change (2006) -0.3
From the June 2007 issue
Latest Headlines for NTCT
B2 100 Headquarters
B2 100 Companies 2007
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How we rank them
To find the B2 100, we screened more than 2,000 tech companies that have been publicly traded on a U.S. stock exchange for at least three years, have a market capitalization of at least $50 million, and have had positive operating cash flow over the past 12 months. Zacks Investment Research of Chicago ranked the resulting list using four financial criteria: growth in revenue, profit, and operating cash flow during the past three years, and the 12-month stock return as of Dec. 31, 2006. Cash flow growth counts for 40 percent of a company's ranking. Each of the other criteria counts for 20 percent. Additional research was provided by Factset. If you have further questions about Business 2.0's 100 Fastest growing technology companies, please e-mail talkback@business2.com.