Company Name

Industry

Location

Revenue

Employees

EnerVest

Oil & Energy

United States, Texas

$250M to $500M

501-1000

Mansfield Energy

Oil & Energy

United States, Georgia

$250M to $500M

501-1000

SC Fuels

Oil & Energy

United States, California

$250M to $500M

501-1000

Alyeska Pipeline Service Company

Oil & Energy

United States, Alaska

$250M to $500M

501-1000

Preferred

Oil & Energy

United States, Pennsylvania

$250M to $500M

501-1000

VANTAGE DRILLING

Oil & Energy

United States, Texas

$250M to $500M

501-1000

Geokinetics

Oil & Energy

United States, Texas

$250M to $500M

501-1000

Pacific Drilling

Oil & Energy

United States, Texas

$250M to $500M

501-1000

EXCO Resources

Oil & Energy

United States, Texas

$250M to $500M

501-1000

Modern Welding Company

Oil & Energy

United States, Kentucky

$250M to $500M

501-1000

US Well Services

Oil & Energy

United States, Texas

$250M to $500M

501-1000

Fronek Anchor/Darling Enterprises

Oil & Energy

United States, New Hampshire

$250M to $500M

501-1000

G.A.S. Global

Oil & Energy

United States, Texas

$250M to $500M

501-1000

Piping Technology & Products

Oil & Energy

United States, Texas

$250M to $500M

501-1000

Northern Natural Gas

Oil & Energy

United States, Nebraska

$250M to $500M

501-1000

Atwood Oceanics

Oil & Energy

United States, Texas

$250M to $500M

501-1000

West Texas Gas

Oil & Energy

United States, Texas

$250M to $500M

501-1000

Ohmstede

Oil & Energy

United States, Texas

$250M to $500M

501-1000

Galileo Technologies

Oil & Energy

United States, New Jersey

$250M to $500M

501-1000

Lummus Technology

Oil & Energy

United States, Texas

$250M to $500M

501-1000