Company Name

Industry

Location

Revenue

Employees

APEX Instruments

Oil & Energy

United States, Colorado

$25M to $50M

11-50

American Tank Company

Oil & Energy

United States, Louisiana

$25M to $50M

11-50

Newsco International Energy Services

Oil & Energy

United States, Texas

$25M to $50M

11-50

Universal Oil

Oil & Energy

United States, Ohio

$25M to $50M

11-50

Tulsa Heaters

Oil & Energy

United States, Oklahoma

$25M to $50M

11-50

Rose Subsurface Assessment

Oil & Energy

United States, Texas

$25M to $50M

11-50

Morgan Oil Company

Oil & Energy

United States, Georgia

$25M to $50M

11-50

Parker Systems

Oil & Energy

United States, Virginia

$25M to $50M

11-50

Mudsmith

Oil & Energy

United States, Texas

$25M to $50M

11-50

Aspect Holdings

Oil & Energy

United States, Colorado

$25M to $50M

11-50

J MAR & Associates

Oil & Energy

United States, Texas

$25M to $50M

11-50

Tejas Research and Engineering

Oil & Energy

United States, Texas

$25M to $50M

11-50

Pony Oil

Oil & Energy

United States, Texas

$25M to $50M

11-50

Commonwealth LNG

Oil & Energy

United States, Texas

$25M to $50M

11-50

Pro-Surve Technical Services

Oil & Energy

United States, Texas

$25M to $50M

11-50

Mueller Environmental Designs

Oil & Energy

United States, Texas

$25M to $50M

11-50

BOA Marine

Oil & Energy

United States, Texas

$25M to $50M

11-50

Five Star Electric

Oil & Energy

United States, Texas

$25M to $50M

11-50

MK Hydrovac dba Blac-Frac Tanks

Oil & Energy

United States, Colorado

$25M to $50M

11-50

I3 Engineering and Consulting

Oil & Energy

United States, West Virginia

$25M to $50M

11-50