Company Name

Industry

Location

Revenue

Employees

Clark Brands

Oil & Energy

United States, Illinois

$1B and Over

11-50

Quantum Exploration

Oil & Energy

United States, Illinois

$1B and Over

11-50

The Power Company USA

Oil & Energy

United States, Illinois

$100M to $250M

11-50

Purified Lubricants

Oil & Energy

United States, Illinois

$50M to $100M

11-50

Certified Power

Oil & Energy

United States, Illinois

$50M to $100M

11-50

Propane Plus

Oil & Energy

United States, Illinois

$25M to $50M

11-50

Engineered Custom Lubricants

Oil & Energy

United States, Illinois

$25M to $50M

11-50

Isotech Laboratories

Oil & Energy

United States, Illinois

$25M to $50M

11-50

Innleadair

Oil & Energy

United States, Illinois

$25M to $50M

11-50

Ayalytical Instruments

Oil & Energy

United States, Illinois

$10M to $25M

11-50

J-POWER USA

Oil & Energy

United States, Illinois

$10M to $25M

11-50

KECKLEY COMPANY

Oil & Energy

United States, Illinois

$10M to $25M

11-50

Leahy-Wolf Lubricants

Oil & Energy

United States, Illinois

$10M to $25M

11-50

Satori Energy

Oil & Energy

United States, Illinois

$10M to $25M

11-50

US Global Petroleum

Oil & Energy

United States, Illinois

$10M to $25M

11-50

Chemstaff

Oil & Energy

United States, Illinois

$10M to $25M

11-50

Nordic Energy Services

Oil & Energy

United States, Illinois

$10M to $25M

11-50

Future Environmental Inc.

Oil & Energy

United States, Illinois

$10M to $25M

11-50

Advanced Compressor Technology

Oil & Energy

United States, Illinois

$10M to $25M

11-50

Three Rivers Manufacturers' Association

Oil & Energy

United States, Illinois

$10M to $25M

11-50