³ A diverse client base utilizes Double B's powerful software and services.  The active client base includes these following companies:

Anker Energy Corporation

 Morgantown, WV

Coal Network

Mason, OH

Duke Energy

Big Sandy River, KY and Houston, TX

Fishel Geological Consulting

Lexington, KY

Kentucky River Coal Corp.

Hazard, KY

Peabody COALTrade

Big Sandy River, KY and St. Louis, MO

Pike County Coal Corp.

Pikeville, KY

PG&E National Energy Group

Big Sandy River, KY and Bethesda, MD

Power Fuel Partners

Big Sandy River, KY and Cincinnati, OH

RAG American Coal Holding

Baltimore, MD

River Trading Company

Big Sandy River, KY, Minneapolis, MN and Cincinnati, OH

Riverton Coal Production

Oceana, WV

Tanoma Energy Inc.

Latrobe, PA