Company Name

Industry

Location

Revenue

Employees

The WellMark Company

Oil & Energy

United States, Oklahoma

$25M to $50M

51-200

Well Werks Energy

Oil & Energy

United States, Oklahoma

$25M to $50M

51-200

Valco Corporation

Oil & Energy

United States, Oklahoma

$25M to $50M

51-200

Unit Petroleum Company

Oil & Energy

United States, Oklahoma

$25M to $50M

51-200

DDSI

Oil & Energy

United States, Oklahoma

$10M to $25M

51-200

Energy Exchanger Company

Oil & Energy

United States, Oklahoma

$10M to $25M

51-200

Lagoon Water Midstream

Oil & Energy

United States, Oklahoma

$10M to $25M

51-200

Perfex Chemical Solutions

Oil & Energy

United States, Oklahoma

$10M to $25M

51-200

Big Elk Energy Systems

Oil & Energy

United States, Oklahoma

$10M to $25M

51-200

Centek Group

Oil & Energy

United States, Oklahoma

$10M to $25M

51-200

GasTech Engineering

Oil & Energy

United States, Oklahoma

$10M to $25M

51-200

Basin Engineering

Oil & Energy

United States, Oklahoma

$10M to $25M

51-200

KSW Oilfield Rental/Solids Control

Oil & Energy

United States, Oklahoma

$10M to $25M

51-200

Royal Mfg

Oil & Energy

United States, Oklahoma

$10M to $25M

51-200

Unit Liner Company

Oil & Energy

United States, Oklahoma

$10M to $25M

51-200

Extract Companies

Oil & Energy

United States, Oklahoma

$10M to $25M

51-200

OGI Process Equipment

Oil & Energy

United States, Oklahoma

$10M to $25M

51-200

Taylor Valve Technology

Oil & Energy

United States, Oklahoma

$10M to $25M

51-200

M J & H Fabrication

Oil & Energy

United States, Oklahoma

$10M to $25M

51-200

Sagebrush Equipment

Oil & Energy

United States, Oklahoma

$10M to $25M

51-200