CORPORATE

Ergon, Inc.

REFINING & MARKETING

Ergon Refining, Inc.

Ergon International, Inc.

Ergon Oil (Singapore) Pte., Ltd.

PT Ergon Oil Indonesia

Ergon Latin America, LLC

Ergon México, S. de R.L. de C.V.

Ergon – West Virginia, Inc.

Ergon BioSciences, Inc.

Process Oils, Inc.

SPECIALTY CHEMICALS

Ergon Chemicals, LLC

Resinall Corp

ASPHALT & EMULSIONS

Ergon Asphalt & Emulsions, Inc.

ErgonArmor, A Division of Ergon Asphalt & Emulsions, Inc.

Ergon Asfaltos México HC, LLC

Ergon Asphalt Holdings, Inc.

Blueknight Energy Partners, L.P., and Subsidiaries

Bryan & Bryan Asphalt, LLC

Tabb Management, LLC

Trinity Asphalt, Ltd.

Paragon Technical Services, Inc.

Tricor Refining, LLC

Crafco, Inc.

Crafco (WuXi) Pavement Preservation Equipment Co., Ltd.

MIDSTREAM & LOGISTICS

Ergon Oil Purchasing, Inc.

Ergon Terminaling, Inc.

Ergon – St. James, Inc.

Ergon – Baton Rouge, Inc.

Ergon Trucking, Inc.

Magnolia Marine Transport Company

Ergon Marine & Industrial Supply, Inc., and Subsidiary

OIL & GAS

Lampton-Love, Inc., and Subsidiaries

Ergon Exploration, Inc.

MSLATX Pipeline Company

Ergon Production, Inc.

Ergon Energy Partners, LP

CONSTRUCTION & REAL ESTATE

Ergon Construction Group, Inc.

Alliant Construction

ISO Services

Ergon Maintenance Services

Ergon Properties, Inc., and Subsidiaries

Mirror Lake Building, LLC