Midland, TX

Horizon Mud Co., Inc.

Hmc Aviation, LLC

Scotch Plaid Acquisition, LLC

Horizon Stimulation Chemicals, Inc.

Cookhouse Catering, Inc.

Farish Leasing Company

Mud Masters Group, Inc.

Horizon Reserves, Inc.

Houston, TX

South Walpole, MA

Bird Machine Company, Inc.

Midland, TX

Enerstar Resources, L.C.

Pacoima, CA

Porter Ranch, CA

C Thomas Farish DDS, Inc.

Darlington, SC

Florence, SC

Farish Davis Traynhem & Bardi