100 Fastest-Growing Tech Companies 

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

Biogen Idec
Rank: 99
Get quote: BIIB
Employees: 3,750
Headquarters: Cambridge, MA
Sector(s): Medical
Why it's hot:
It launched treatments for rheumatoid arthritis and non-Hodgkin's lymphoma and revived a multiple sclerosis drug that had been linked to patient deaths.
Revenue 2,683.1 61.8 9
Earnings 217.5 -17.6 99
Operating cash flow 841.3 43.8 64
Stock return (2006) 9
Headcount change (2006) 12.3
From the June 2007 issue
Latest Headlines for BIIB
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