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FORTUNE'S 100 FASTEST-GROWING COMPANIES 2007

The Top 25

A stunning 37 of this year's fast-growers come from the energy sector, and metals companies make a strong showing, too, thanks to high commodities prices. Meanwhile, other seemingly fleeting trends - like energy drinks - proved to have surprising staying power. We evaluate each company based on three years of revenue and profit growth as well as total return.

Grey Wolf <span class='quoteLink'>(<a href='/quote/quote.html?symb=GW'>GW</a>)</span>

22 of 25

22. Grey Wolf (GW)

Houston, TX

Earnings-per-share growth*:	248%
Revenue growth*:	51%
Total return*:	25%

The provider of oil and natural-gas drilling services runs 123 rigs in North America.

See more Fastest-Growing data for Grey Wolf

*3-year annual rate
Source: Zacks Investment Research

RTI International Metals

Allegheny Technologies

Ceradyne

VASCO Data Security International

Freeport-
McMoRan Copper & Gold

Kansas City Southern

Ladish

Grey Wolf

Allscripts Healthcare Solutions

XTO Energy

Grant Prideco

FORTUNE'S 100 FASTEST-GROWING COMPANIES 2007

Fast-growing giants

15 of the companies on this year's list are also big enough to rank on the FORTUNE 500. (more)

Speedy growers in your state

Texas is home to the most companies on this year's list. See the fastest-growing companies near you (including interactive maps). (more)

NutriSystem's fat growth

Americans' bulging waistlines have helped push this 35-year-old diet company to the top of Fortune's list this year. (more)

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