Corporate America's supercharged performers

1. Arena Resources

Rank:
1 (Previous rank: 3)
CEO:
Phillip W. Terry
Address:
6555 South Lewis Avenue
Tulsa, OK 74136

Eight-year-old oil and gas producer has grown by buying properties in New Mexico and Texas.

2. T-3 Energy Services

Rank:
2 (Previous rank: N.A.)
CEO:
Gus D. Halas
Address:
7135 Ardmore
Houston, TX 77054

Oilfield equipment maker fills orders from the Middle East to Russia.

3. Allis-Chalmers Energy

Rank:
3 (Previous rank: 62)
CEO:
Munawar H. Hidayatallah
Address:
5075 Westheimer
Suite 890
Houston, TX 77056

Oil and gas services firm has been on an acquisition binge over the past six years.

4. Bucyrus International

Rank:
4 (Previous rank: N.A.)
CEO:
Timothy W. Sullivan
Address:
1100 Milwaukee Avenue
PO Box 500
South Milwaukee, WI 53172

Wisconsin-based manufacturer specializes in equipment for mining coal and copper.

5. DXP Enterprises

Rank:
5 (Previous rank: N.A.)
CEO:
David R. Little
Address:
7272 Pinemont
Houston, TX 77040

This 100-year-old company supplies pumps and more to industries including oil and gas.

6. National Oilwell Varco

Rank:
6 (Previous rank: 2
CEO:
Merrill A. Miller Jr.
Address:
7909 Parkwood Circle Drive
Houston, TX 77036-6565

Houston-based oil and gas services outfit makes products under 115 brand names.

7. Sigma Designs

Rank:
7 (Previous rank: N.A.)
CEO:
Trinh Q. Tran
Address:
1778 McCarthy Blvd
Milpitas, CA 95035

Makes chips that power new media toys like Blu-ray DVD players and high-definition TVs.

8. Atwood Oceanics

Rank:
8 (Previous rank: 53)
CEO:
John R. Irwin
Address:
15835 Park Ten Place Drive
Houston, TX 77084

Offshore driller's eight rigs sit in waters all over the world; No. 9 is being built in Texas.

9. Intuitive Surgical

Rank:
9 (Previous rank: 4)
CEO:
Lonnie M. Smith
Address:
1266 Kifer Road
Sunnyvale, CA 94086

California firm makes and services surgical robots that allow for less invasive procedures.

10. Freeport-McMoRan

Rank:
10 (Previous rank: 19)
CEO:
Richard C. Adkerson
Address:
One North Central Avenue
Phoenix, AZ 85004-4414

World's largest publicly traded copper producer has soared with commodities prices. >>>>