Company Name

Industry

Location

Revenue

Employees

Hubbell Gas Utility Solutions

Oil & Energy

United States, Oklahoma

$1B and Over

501-1000

Unit Corporation

Oil & Energy

United States, Oklahoma

$500M to $1B

501-1000

BlackHawk Industrial

Other Manufacturing

United States, Oklahoma

$500M to $1B

501-1000

LSB Industries

Chemicals

United States, Oklahoma

$250M to $500M

501-1000

Wolverine Tube

Mining & Metals

United States, Oklahoma

$250M to $500M

501-1000

NGL Energy Partners LP

Oil & Energy

United States, Oklahoma

$250M to $500M

501-1000

Covercraft Industries

Automotive

United States, Oklahoma

$100M to $250M

501-1000

SandRidge Energy

Oil & Energy

United States, Oklahoma

$100M to $250M

501-1000

Carlisle FoodService Products

Plastics

United States, Oklahoma

$100M to $250M

501-1000

Avara Pharmaceutical Services

Pharmaceuticals

United States, Oklahoma

$100M to $250M

501-1000

Thru Tubing Solutions

Oil & Energy

United States, Oklahoma

$100M to $250M

501-1000

SEF Energy

Oil & Energy

United States, Oklahoma

$100M to $250M

501-1000

Kimray

Oil & Energy

United States, Oklahoma

$100M to $250M

501-1000

Summit ESP

Oil & Energy

United States, Oklahoma

$100M to $250M

501-1000

ParFab Companies

Oil & Energy

United States, Oklahoma

$100M to $250M

501-1000

Accurus Aerospace Corporation

Aviation & Aerospace

United States, Oklahoma

$50M to $100M

501-1000

Mercer Valve

Oil & Energy

United States, Oklahoma

$50M to $100M

501-1000

ClimateMaster

Machinery

United States, Oklahoma

$50M to $100M

501-1000

SemGroup Corporation

Oil & Energy

United States, Oklahoma

$50M to $100M

501-1000

Integrated Service Company

Oil & Energy

United States, Oklahoma

$50M to $100M

501-1000